Computational Electromagnetics –Frequency-Domain Method of Moments; 1992年04月 発表情報; 著者; Eds. E. K. Miller, L. M-Mitschang, E. H. Newman
原著論文
Simple Integration of Cavity-Backed Antenna with Patch Antenna for Developing Hybrid Antenna Using SIW Technology; 2024年02月 発表情報; Int. J. RF Microw. Comp.-Aid. Eng., 2024 著者; A. H. Murshed, M. A. Hossain, N. K. Kiem, N. H. Hai, E. Nishiyama, I. Toyoda, and I. Mahbub
A phase Shift keying modulator integrated single-feed circular polarization agile array antenna; 2024年01月 発表情報; Electron. Lett., 60, 1, 1-3 著者; T. P. Phyoe, M. Hasan, E. Nishiyama, and I. Toyoda
A penta-band microstrip slot antenna for S-, C- and X-band applications; 2023年12月 発表情報; Electron. Lett., 59, 23, 1-3 著者; M. A. Rahman, MD S. Islam, MD S. Hossain, M. Hasan, E. Nishiyama, and I. Toyoda
A Quad-Polarization and Beam Agile Array Antenna Using Rat-Race Coupler and Switched-Line Phase Shifter; 2023年09月 発表情報; IEEE Open J. Antennas Propag. 著者; M. Hasan, E. Nishiyama, and I. Toyoda
An Electrically Reconfigurable Circularly-Polarized Planar Array Antenna With Built-In Bias-Isolation Mechanism; 2023年09月 発表情報; IEEE Access, Vol. 11, pp. 108317-108327, Sep. 2023., 11, 108317-108327 著者; H. W. Htun, E. Nishiyama, and I. Toyoda
A tri-state SPDT switch using shunt open-end stub resonator for X-band applications; 2023年07月 発表情報; IEICE Electronics Express, Vol. 20, No. 17, pp. 1-5, Article ID 20.20220522, Jul. 2023., 20, 17, 1-5 著者; M. Hasan, E. Nishiyama, and I. Toyoda
Three-state pattern reconfigurable active antenna integrated with Gunn oscillator and switched-line phase shifter; 2023年06月 発表情報; Electron. Lett., Vol. 59, No. 12, e12839, pp. 1-3, Jun. 2023., 59, 12, 1-3 著者; M. Hasan, E. Nishiyama, T. Tanaka, and I. Toyoda
A Simple Design and Fabrication of Polarization Reconfigurable Antenna for Industrial Scientific and Medical-Band Applications; 2023年04月 発表情報; Int. Journal Electric. Comp. Eng., 31, 2, 1580-1587 著者; M. A. Hossain, M. A. Rahman, A. H. Murshed, E. Nishiyama, and I. Toyoda
A first-harmonic Push-Push oscillator based active integrated dual-beam switchable array antenna; 2023年03月 発表情報; Electron. Lett., 59, 5, 1-3 著者; M. Hasan, E. Nishiyama, T. Tanaka, and I. Toyoda
A Half-Mode Cavity Backed Hybrid Array Antenna using Substrate Integrated Waveguide (SIW) Technology; 2023年01月 発表情報; IEEE Trans. Antennas Propag., 71, 1, 169-179 著者; A. H. Murshed, M. A. Hossain, N. K. Kiem, N. H. Hai, M. A. Hossain, E. Nishiyama, and I. Toyoda
High-density array antenna with unevenly arranged parasitic elements for large-scale DC rectenna arrays; 2023年00月 発表情報; IEICE Comm. Express, Article ID 2023XBL0004 著者; T. Kichiji, E. Nishiyama, and I. Toyoda
Dual-polarized microstrip array antenna on single-layer substrate using magic-Ts; 2023年00月 発表情報; IEICE Comm. Express, Article ID 2023SPL0017 著者; E. Nishiyama, S. Suenaga, and I. Toyoda
Design and characterization of frequency reconfigurable honey bee antenna for cognitive radio application; 2022年12月 発表情報; Int. J. Electric. Comp. Eng.,, 12, 6, 6178-6186 著者; A. H. Murshed, M. A. Hossain, E. Nishiyama, and I. Toyoda
A Novel Dual-Band Slot-Ring Array Antenna Using Both-Sided MIC Technology for Polarization Detection; 2022年08月 発表情報; Int. J. RF Microw. Comput. Aided Eng. 著者; M. A. Hossain, A. H. Murshed, M. A. Rahman, E. Nishiyama, and I. Toyoda
Design and characterization of polarization reconfigurable heart shape monopole antenna for 2.4 GHz application; 2022年08月 発表情報; Int. J. Electrical and Computer Eng., 12, 4, 3808-3819 著者; A. H. Murshed, M. A. Hossain, M. A. Rahman, E. Nishiyama, and I. Toyoda
A Gain Enhanced Linear Polarization Switchable Array Antenna with Switching Diodes; 2022年06月 発表情報; Int. J. RF Microw. Comput.-Aided Eng. 著者; M. A. Hossain, A. H. Murshed, M. A. Rahman, E. Nishiyama, and I. Toyoda
Multi-Layer Approach of Polarization Agile Oscillating-Type Active Integrated Array Antenna for RF Transmitter Front-End; 2022年04月 発表情報; Int. J. Microw. Wirel. Tech. 著者; M. Hasan, E. Nishiyama, and I. Toyoda
A 2.45- and 5.8-GHz Dual-Band Stacked Differential Rectenna With High Conversion Efficiency in Low Power Density Environmen; 2022年04月 発表情報; IEEE Open J. Antennas Propag., 3, 627-636 著者; K. Saito, E. Nishiyama, and I. Toyoda
A Beam-Switchable Self-Oscillating Active Integrated Array Antenna Using Gunn Oscillator and Magic-T; 2021年11月 発表情報; IEICE Trans. Comm., E104-B, 11 著者; M. Hasan, E. Nishiyama, and I. Toyoda
A Novel Compact Planar Magic-T Using CPS and Microstrip-to-CPS Transition; 2021年07月 発表情報; IEICE Electronics Express, 18, 15, 1-4 著者; H. Nakahara, T. Tanaka, and I. Toyoda
A Variable Power Divider Employing Magic-T and Variable Phase Shifter; 2021年06月 発表情報; IEEE Microw. Wireless Compon. Lett., 31, 6, 565-568 著者; N. Morita, T. Tanaka, and I. Toyoda
Basic Study of a Monopulse DOA Estimation Circularly Polarized Array Antenna Integrated with Magic-T; 2021年02月 発表情報; IEICE Comm. Express, 2020XBL0141, 2020. https://doi.org/10.1587/comex.2020XBL0141 著者; E. Nishiyama, D. Iwamoto, I. Toyoda, M. Miyashita, K. Tomimoto, and R. Yamaguchi
A Dual-Beam Switchable Self-Oscillating Ku-Band Active Array Antenna Integrating Positive Feedback Type Push-Push Oscillator and PSK Modulator; 2021年00月 発表情報; Progress In Electromagnetics Research C, 116, 181-192 著者; M. Hasan, E. Nishiyama, T. Tanaka, and I. Toyoda
A 4-element MIMO Antenna With Orthogonal Circular Polarization for Sub-6 GHz 5G Cellular Applications; 2020年06月 発表情報; SN Appl. Sci., 2, 1180, Jun. 2020. https://doi.org/10.1007/s42452-020-2957-z 著者; S. Chakraborty, M. A. Rahaman, M. A. Hossain, A. T. Mobashsher, E. Nishiyama, and I. Toyoda
A Wideband Dual-Circularly Polarized 2 × 1 Array Antenna Using Multi-Layer Substrate for Compact Structure; 2020年01月 発表情報; Microwave and Optical Tech. Lett., vol. 62, pp. 474-483 著者; M. A. Rahman, E. Nishiyama, I. Toyoda
A Polarization Switchable Active Integrated Array Antenna with a Single-Lambda Slot-Ring Gunn Oscillator and PSK Modulator; 2019年12月 発表情報; IEICE Comm. Express, Vol. X8-B, No. 12, pp. 560-565 著者; M. Hasan, E. Nishiyama, I. Toyoda
A Circularly Polarized Dual-Axis Dual-Beam Array Antenna Employing a Dual-Feed Network with Diagonal 90° Phase Shift; 2019年12月 発表情報; IEICE Comm. Express, Vol. X8-B, No. 12,, pp. 462-467 著者; T. P. Phyoe, E. Nishiyama, I. Toyoda
A Magic-T Integrated 5.8-GHz Repeater Array Antenna Using Dual-Feed Network; 2019年03月 発表情報; Progress In Electromagnetics Research M, Vol. 80, pp. 1-11, 2019. 著者; T. P. Phyoe, E. Nishiyama, and I. Toyoda
A Multi-layer approach of Orthogonally Fed Circularly Polarized Microstrip Array Antenna for Enhanced Gain; 2019年03月 発表情報; Int’l J. Microwave and Wireless Tech., Mar. 2019. 著者; M. A. Rahman, E. Nichiyama, M. A. Hossain, Q. D. Hossain, and I. Toyoda
A Circularly Polarized Dual-Axis Wide-Angle Rectenna Employing a Dual-Feed Array Antenna With Inclined Patches; 2019年01月 発表情報; Progress In Electromagnetics Research M, Vol. 77, pp. 135-145, 2019. 著者; T. P. Phyoe, E. Nishiyama, and I. Toyoda
A Novel Low Phase Noise Push-Push Oscillator Employing Dual-Feedback Sub-Oscillators; 2018年11月 発表情報; Progress In Electromagnetics Research M, Vol. 75, pp. 141-148, 2018. 著者; E. Lima, T. Tanaka, and I. Toyoda
Dual-Axis Monopulse Direction-of-Arraival Estimation Planar Antenna Employing Multilayer Structure; 2018年06月 発表情報; IEICE Comm. Express, Vol. 7, No. 6, pp. 224-229, June 2018. 著者; R. Rashid, M. A. Hossain, E. Nishiyama, and I. Toyoda
A Polarization Reconfigurable Microstrip Antenna Employing Dual-Perturbation Techniqu; 2018年06月 発表情報; Progress In Electromagnetics Research M, Vol. 69, pp. 197-206, 2018. 著者; M. A. Rahman, E. Nishiyama, and I. Toyoda
A Planar Extended Monopulse DOA Estimation Antenna Integrating an RF Multiplier; 2018年02月 発表情報; Progress In Electromagnetics Research C, Vol. 81, pp. 53-62, 2018. 著者; R. Rashid, E. Nishiyama, and I. Toyoda
A Dual-Band Slot-Embedded Microstrip Antenna for Dual-Polarization Operation; 2018年01月 発表情報; Progress In Electromagnetics Research M, Vol. 63, pp.141-149, 2018. 著者; M. A. Rahman, E. Nishiyama, and I. Toyoda
A 5.8-GHz Planar Beam Tracking Antenna Using a Magic-T; 2017年08月 発表情報; Progress In Electromagnetics Research C, Vol. 76, pp. 159-170, 2017. 著者; R. Rashid, E. Nishiyama, and I. Toyoda
Rectenna Design Using Electromagnetic Field Simulation Including Nonlinear Devices (Invited); 2017年03月 発表情報; Proc. 2017 IEEE Int’l Conf. Computational Electromagnetics, pp. 130-132, 2B1.5 著者; I. Toyoda and E. Nishiyama
A Circular Polarization Array Antenna With Inclined Patches Using Both-Sided MIC Technology; 2017年01月 発表情報; IEICE Commun. Express, Vol. 6, No. 1, pp. 40-45, Jan. 2017. 著者; M. A. Rahman, E. Nishiyama, M. A. Hossain, Q. D. Hossain, and I. Toyoda
Design of an In-Phase/Anti-Phase Triple-Feed Array Antenna Using Two Types of Magic-Ts; 2016年11月 発表情報; IEICE Commun. Express, Vol. 5, No. 11, pp. 413-417, Nov. 2016. 著者; H. Satow, Y. Tanaka, E. Nishiyama, and I. Toyoda
An RF Multiplier Integrated Planar Antenna for DOA Estimation; 2016年10月 発表情報; Proc. 2016 Int'l Symp. Antennas and Propag. (ISAP2016), pp. 438-439, POS1-77, Okinawa, Japan, Oct. 2016. 著者; R. Rashid, D. Hattori, E. Nishiyama, and I. Toyoda
An H-Plane Wide-Angle Rectenna Using an In-Phase/Anti-Phase Dual-Feed Antenna; 2016年10月 発表情報; Proc. 2016 Int'l Symp. Antennas and Propag. (ISAP2016), pp. 532-533, POS1-124, Okinawa, Japan, Oct. 2016. 著者; H. Satow, Y Tanaka, E. Nishiyama, and I. Toyoda
A Microstrip Antenna With Circular Polarization Switching Capability for X-Band Applications; 2016年10月 発表情報; Proc. 2016 Int'l Symp. Antennas and Propag. (ISAP2016), pp. 820-821, POS2-55, Okinawa, Japan, Oct. 2016. 著者; M. A. Rahman, E. Nishiyama, M. A. Hossain, Q. D. Hossain, and I. Toyoda
(Invited) Double Balanced Multiplier Integrated Wideband Circular Polarization Switchable Microstrip Antenna; 2016年08月 発表情報; 2016 IEEE Int’l Symp. Radio-Frequency Integration Tech. (RFIT2016), Taipei, Taiwan, Aug. 2016. 著者; E. Nishiyama, T. Ino, and I. Toyoda
Stabilizing Output Performance of Positive Feedback Type Push-Push Oscillator Array by Injection Locking Technology; 2016年07月 発表情報; 2016 17th Int’l Symp. Antenna Technology and Applied Electromagnetics (ANTEM2016), Montreal, QC, Canada, July 2016. 著者; T. Tanaka, H. Umezaki, and I. Toyoda
簡易型微小位相差計測回路に適した自動計測システム; 2016年07月 発表情報; 電学論(C),Vol. 136, No. 7, pp. 881-886, July 2016. 著者; 野口卓朗,深井澄夫,石川洋平,清水暁生,豊田一彦
Design of an Orthogonal Feed Circularly Polarized Microstrip Array Antenna Suitable for Large Scale Extensible Arrays; 2016年05月 発表情報; 5th Int’l Conf. Informatics, Electronics & Vision (ICIEV2016), 53, Dhaka, Bangladesh, May 2016. 著者; M. A. Rahman, E. Nishiyama, M. A. Hossain, Q. D. Hossain, and I. Toyoda
5.8-GHz Stacked Differential Rectenna Suitable for Large-Scale Rectenna Arrays with DC connection; 2015年12月 発表情報; IEEE Trans. Antennas & Propag., 63, 12, 377-382 著者; T. Matsunaga, E. Nishiyama, and I. Toyoda
Magnetic Resonance Type Selective Wireless Power Transfer Using Two Transmission Resonators with Phase Difference; 2015年11月 発表情報; Proc. 2015 Int’l Symp. on Antennas and Propag. (ISAP2015), S4.12.4 著者; Y. Fukushima, E. Nishiyama, and I. Toyoda
Prototype Evaluation of a Beam Tracking Antenna Using Magic-T; 2015年11月 発表情報; Proc. 2015 Int’l Symp. on Antennas and Propag. (ISAP2015), S3.12.1 著者; R. Rashid, E. Nishiyama, and I. Toyoda
Gain Enhancement of a Dual Feed Microstrip Array Antenna Using Parasitic Elements; 2015年11月 発表情報; Proc. 2015 Int’l Symp. on Antennas and Propag. (ISAP2015), S5.9.1 著者; H. Satow, E. Nishiyama, and I. Toyoda
Selective Wireless Power Transfer Using Two Transmission Coils Sandwiching Reception Coils; 2015年11月 発表情報; 著者; A. Yoshida, E. Nishiyama, and I. Toyoda
Experimental Study on Load Resistance Design of a Differential Rectenna; 2015年11月 発表情報; Proc. 2015 Int’l Symp. on Antennas and Propag. (ISAP2015), S1.4.1 著者; J. Takahashi, E. Nishiyama, and I. Toyoda
A Study of Automatic Measuring Circuit Suitable for Very Small Phase Difference Measurement; 2015年11月 発表情報; Proc. 2015 Int’l Symp. on Intelligent Signal Processig and Comm. Sys. (ISPACS), 2D-4 著者; T. Noguchi, S. Fukai, I. Toyoda, Y. Ishikawa, and A. Shimizu
A Push-Push Oscillator Array with Very Simple Coupling Circuits Using HEMT; 2015年09月 発表情報; Proc. 45th European Microwave Conference (EuMC2015), EuMC14-04 著者; T. Tanaka, T. Sameshima, and I. Toyoda
Double Balanced Multiplier Integrated Circular Polarization Switchable Microstrip Antenna; 2015年07月 発表情報; 2015 IEEE AP-S Symp. on Antennas and Propag. and URSI CNC/USNC Joint Mtg. Dig. (AP-S/URSI 2015), WEP-A1.5A.9, 2239-2240 著者; E. Nishiyama, A. Matsuo, and I. Toyoda
A Differential Rectenna with Matching Shorted Stubs; 2015年06月 発表情報; Proc. 2015 IEEE 4th Asia-Pacific Conf. on Antennas and Propag. (APCAP2015), F1B-2, 445-446 著者; J. Takahashi, E. Nishiyama, and I. Toyoda
Design and parametric analysis of a planar array antenna for circular polarization; 2015年03月 発表情報; Int’l J. Microwave and Wireless Tech., available on CJO2015, doi: 10.1017/S1759078715000264, Mar. 2015. 著者; M. A. Rahman, Q. D. Hossain, M. A. Hossain, E. Nishiyama, and I. Toyoda
A Push-Push Oscillator Array Using Resonator Type Coupling Circuits; 2014年11月 発表情報; Progress In Electromagnetics Research C, 54, 85-94 著者; T. Tanaka, K. Kawasaki, M. Aikawa, and I. Toyoda
5.8-GHz Series/Parallel Connected Rectenna Array Using Expandable Differential Rectenna Units; 2013年09月 発表情報; IEEE Trans. Antennas & Propag., 61, 9, 4872-4875 著者; T. Sakamoto, Y. Ushijima, E. Nishiyama, M. Aikawa, and I. Toyoda
5.8-GHz Integrated Differential Rectenna Unit using Both-Sided MIC Technology with Design Flexibility; 2013年06月 発表情報; IEEE Trans. Antennas & Propag., 61, 6, 3357-3360 著者; Y. Ushijima, T. Sakamoto, E. Nishiyama, M. Aikawa, and I. Toyoda
Multi-band orthogonal linear polarization discrimination planar array antenna; 2012年11月 発表情報; Progress In Electromagnetics Research C, 34, 53-67 著者; M. A. Hossain, E. Nishiyama, M. Aikawa, and I. Toyoda
High Gain Linear Polarization Switchable Planar Array Antenna; 2012年05月 発表情報; Progress In Electromagnetic Research C, 30, 65-80 著者; M. A. Hossain, E. Nishiyama, I. Toyoda, and M. Aikawa
Orthogonal Circular Polarization Detection Patch Array Antenna Using Double Balanced RF Multiplier; 2012年05月 発表情報; Progress In Electromagnetic Research C, 30, 93-103 著者; M. A. Hossain, Y. Ushijima, E. Nishiyama, I. Toyoda, and M. Aikawa
Analyses of Antenna Displacement in Short-Range MIMO Transmission over Millimeter-Wave; 2011年10月 発表情報; IEICE Trans. Comm., Vol. E94-B, No. 10, pp.2891-2895, Oct. 2011., E94-B, 10, 2891-2895 著者; 平賀健,関智弘,西森健太郎,西川健次郎,豊田一彦,上原一浩
Interference Analysis from Impulse Radio UWB Systems using Simple Signal Models; 2005年11月 発表情報; 著者; Y. Suzuki, I. Toyoda, and M. Umehira
Software Defined Radio Prototype for PHS and IEEE802.11 Wireless LAN; 2002年12月 発表情報; 著者; H. Shiba, T. Shono, Y. Shirato, I.Toyoda, K. Uehara, and M. Umehira
Three-Dimensional MMIC Technology on Silicon: Review and Recent Advances (Invited); 2002年07月 発表情報; 著者; B. Piernas, K. Nishikawa, K. Kamogawa, and I. Toyoda
Three-dimensional MMIC Technology for Low-Cost Millimeter-Wave MMICs; 2001年09月 発表情報; 著者; K. Nishikawa, K. Kamogawa, B. Piernas, M. Tokumitsu, S. Sugitani, I. Toyoda, and K. Araki
A Compact V-band 3-D MMIC Single-chip Down-converter Using Photosensitive BCB Dielectric Film; 1999年12月 発表情報; 著者; K. Nishikawa, S. Sugitani, K. Inoue, K. Kamogawa, T. Tokumitsu, I. Toyoda, and M. Tanaka
Quick Development of Multifunctional MMICs Using Three-Dimensional Masterslice MMIC Technology (Invited); 1999年11月 発表情報; 著者; I. Toyoda, M. Hirano, M. Tokumitsu, Y. Imai, K. Nishikawa, K. Kamogawa, and S. Sugitani
Miniaturized Millimeter-wave Masterslice 3-D MMIC Amplifier and Mixer; 1999年09月 発表情報; 著者; K. Nishikawa, K. Kamogawa, K. Inoue, K. Onodera, T. Tokumitsu, M. Tanaka, I. Toyoda, and M. Hirano
Compact and Broadband Three-dimensional MMIC Balun; 1999年01月 発表情報; 著者; K. Nishikawa, I. Toyoda, and T. Tokumitsu
A Novel High-Q and Wide-Frequency-Range Inductor Using Si 3-D MMIC technology; 1999年01月 発表情報; 著者; K. Kamogawa, K. Nishikawa, I. Toyoda, T. Tokumitsu, and M. Tanaka
Extended Integral Equation Formulation for Scattering Problems from a Cylindrical Scatterer; 1998年11月 発表情報; 著者; I. Toyoda, M. Matsuhara and N. Kumagai
Wide-Band Subharmonically Injection-Locked Oscillators using Three-Dimensional MMIC Technology; 1998年06月 発表情報; 著者; K. Kamogawa, I. Toyoda, T. Tokumitsu, and K. Nishikawa
Three-dimensional MMIC Technology For Fully CAD-Compatible MMIC Development; 1998年06月 発表情報; 著者; K. Nishikawa, I. Toyoda, K. Kamogawa, T. Tokumitsu, and M. Tanaka
Three-Dimensional Silicon MMIC's Operating up to K-band; 1998年05月 発表情報; 著者; K. Nishikawa, I. Toyoda, K. Kamogawa, and T. Tokumitsu
Three-Dimensional Masterslice MMIC on Si Substrate; 1997年12月 発表情報; 著者; I. Toyoda, K. Nishikawa, T. Tokumitsu, K. Kamogawa, C. Yamaguchi, M. Hirano, and M. Aikawa
Wide-Tuning Range Si Bipolar VCO's Based on Three-Dimensional MMIC Technology; 1997年12月 発表情報; 著者; K. Kamogawa, K. Nishikawa, C. Yamaguchi, M. Hirano, I. Toyoda, and T. Tokumitsu
Three-Dimensional Interconnect technology for Ultra-Compact MMICs; 1997年10月 発表情報; 著者; M. Hirano, K. Nishikawa, I. Toyoda, S. Aoyama, S. Sugitani, and K. Yamasaki
A 20-GHz-Band Subharmonically Injection-Locked Oscillator MMIC with Wide Looking Range; 1997年08月 発表情報; 著者; K. Kamogawa, T. Tokumitsu, and I. Toyoda
Miniaturized Three-dimensional MMIC K-band Upconverter; 1997年08月 発表情報; 著者; K. Nishikawa, I. Toyoda, and T. Tokumitsu
Highly Integrated Three-Dimensional MMIC Single-Chip Receiver and Transmitter; 1996年12月 発表情報; 著者; I. Toyoda, T. Tokumitsu, and M. Aikawa
Folded U-shaped Microwire Technology for Ultra-Compact three-dimensional MMICs; 1996年12月 発表情報; 著者; K. Onodera, M. Hirano, M. Tokumitsu, I. Toyoda, K. Nishikawa, and T. Tokumitsu
Miniaturized Wilkinson Power Divider Using Three-Dimensional MMIC Technology; 1996年10月 発表情報; 著者; K. Nishikawa, T. Tokumitsu, and I. Toyoda
Three-dimensional Passive Circuit Technology for Ultra-compact MMICs; 1995年12月 発表情報; 著者; M. Hirano, K. Nishikawa, I. Toyoda, S. Aoyama, S. Sugitani, and K. Yamasaki
An 11-GHz-Band Subharmonic-Injection-Locked Oscillator MMIC; 1995年08月 発表情報; 著者; K. Kamogawa, I. Toyoda, and T. Tokumitsu
Three-dimensional MMIC and Its Application: An Ultra-wideband Miniature Balun; 1995年08月 発表情報; 著者; I. Toyoda, M. Hirano, and T. Tokumitsu
A Low-Voltage, High-Power T/R-Switch MMIC Using LC Resonators; 1995年05月 発表情報; 著者; T. Tokumitsu, I. Toyoda, and M. Aikawa
Characterization of a Monolithic Slot Antenna using an Electro-Optic Sampling Technique; 1994年12月 発表情報; 著者; K. Kamogawa, I. Toyoda, K. Nishikawa, and T. Tokumitsu
A Novel Injection-Locked Oscillator MMIC with Combined Ultrawide-Band Active Combiner/Divider and Amplifiers; 1994年12月 発表情報; 著者; T. Tokumitsu, K. Kamogawa, I. Toyoda, and M. Aikawa
Three-Dimensional Passive Elements for Compact GaAs MMICs; 1993年06月 発表情報; 著者; M. Hirano, Y. Imai, I. Toyoda, K. Nishikawa, M. Tokumitsu, and K. Asai
RF Signal Processing with Antenna and Microwave Circuit Integration; 2017年06月 発表情報; IEICE Comm. Soc. Global Newsletter, Vol. 41, No. 2, pp. 6-8, June 2017. 著者; Ichihiko Toyoda
Prediction of Feed Point and Dimensions of Rectangular Microstrip Patch Antennas Using Artificial Neural Network; 2024年03月 発表情報; 2024 IEICE General Conf., B-1B-42 著者; J. P. Dhar, M. Hasan, E. Nishiyama, and I. Toyoda
Basic Experiment of Reconfigurable Radiation Pattern Shaping of Microstrip Antenna Using Switchable Parasitic Elements; 2024年03月 発表情報; 2024 IEICE General Conf., B-1B-41 著者; M. Hasan, M. Kuroki, E. Nishiyama, and I. Toyoda
Design of Single-Layer Reconfigurable Circularly Polarized Planar Array Antenna With Dual-Pattern Radiation; 2024年03月 発表情報; 2024 IEICE General Conf., B-1B-40 著者; H. W. Htun, E. Nishiyama, I. Toyoda
Basic Concept of Novel Low Phase Noise Positive Feedback-Type Push-Push Oscillator Using Differential Bandpass Filter; 2024年03月 発表情報; 2024 IEICE General Conf., C-2A-06 著者; E. Lima, T. Tanaka, and I. Toyoda
An Image-Rejection Active Integrated Antenna Utilizing Dual-Feed Circularly Polarized Antenna; 2023年12月 発表情報; Proc. 2023 Asia-Pacific Microw. Conf. (APMC2023), Paper ID: 220341, Taipei, Taiwan 著者; R. Kawasaki, T. Tanaka and I. Toyoda
A Dual-Band Polarization-Switchable Stacked Microstrip Antenna Loading Cross Slot and Diodes; 2023年12月 発表情報; Proc. 2023 Asia-Pacific Microw. Conf. (APMC2023), Paper ID: 220366, Taipei, Taiwan 著者; Y. Ikoma, E. Nishiyama and I. Toyoda
A Branch-Line Coupler Feed MIMO Antenna for Circular Polarization Diversity; 2023年12月 発表情報; Proc. 2023 5th Int. Conf. Telecom. Photon. (ICTP2023), TECH-WC2-3, Paper ID: 54, Dhaka, Bangladesh 著者; M. N. Rahman, M. A. Rahman, M. Hasan, M. A. Hossain, E. Nishiyama, and I. Toyoda
Design of Dual Circularly Polarized Array Antenna with Beam Switching Functionality Using Hybrid Coupler and Phase Shifters; 2023年11月 発表情報; Proc. 2023 Int. Conf. Emerging Techn. Commu. (ICETC2023), O3-2, Sapporo, Japan 著者; M. Hasan, E. Nishiyama, and I. Toyoda
A High-Gain Microstrip Antenna Loading Parasitic Element and Horn-Shaped Reflector; 2023年10月 発表情報; Proc. 2023 IEEE Int. Symp. Antennas Propag. (ISAP2023), RS26.5, Kuala Lumpur, Malaysia 著者; K. Motomura, E. Nishiyama, and I. Toyoda
A Single-Feed Array Antenna With Sum- and Difference-Patterns Using Planar Magic-Ts; 2023年10月 発表情報; Proc. 2023 IEEE Int. Symp. Antennas Propag. (ISAP2023), RS18.3, Kuala Lumpur, Malaysia 著者; M. Hasan, E. Nishiyama, and I. Toyoda
A Reconfigurable Circularly Polarized Electrically Activated Split-Ring Slot Antenna With Simple Bias Decoupling Feed Network; 2023年10月 発表情報; Proc. 2023 IEEE Int. Symp. Antennas Propag. (ISAP2023), RS10.1, Kuala Lumpur, Malaysia 著者; H. W. Htun, M. Hasan, E. Nishiyama, and I. Toyoda
A Reconfigurable Circularly-Polarized Microstrip Antenna With Simple Two-Branch Switchable Feed Network; 2023年10月 発表情報; Proc. 2023 IEEE Int. Symp. Antennas Propag. (ISAP2023), PSP2.3, Kuala Lumpur, Malaysia 著者; D. Huda, M. Hasan, E. Nishiyama, and I. Toyoda
Proposal of Dual Circularly Polarized Array Antenna With Pattern Diversities Using Rat-Race Coupler and Switchable Feed Network; 2023年09月 発表情報; 2023 IEICE Society Conf., B-1-66, Sep. 2023 著者; M. Hasan, E. Nishiyama, and I. Toyoda
Design of Single-Layer Reconfigurable Circularly Polarized Conical-Beam Planar Array Antenna with Switchable Proximity Gap-Coupled Feed Network; 2023年09月 発表情報; 2023 IEICE Society Conf., B-1-65, Sep. 2023. 著者; H. W. Htun, E. Nishiyama, and I. Toyoda
Simulation-Based Parameter Study of High-Gain Microstrip Antenna with Parasitic element and Reflector; 2023年09月 発表情報; Rec. 2023 Joint Conf. Electric., Electron., Info. Eng. in Kyushu, 11-2P-02, Sep. 2023. 著者; K. Motomura, E. Nishiyama, and I. Toyoda
Concept and Basic Evaluation of Active Patch Antenna with Integrated Push-Push Oscillator; 2023年09月 発表情報; Rec. 2023 Joint Conf. Electric., Electron., Info. Eng. in Kyushu, 11-2A-06, Sep. 2023. 著者; H. Tokunaga, M. Hasan, T. Tanaka, and I. Toyoda
Basic Concept of Active Antenna Integrating Balanced Up-Converter and Differential-Feed Microstrip Antenna; 2023年09月 発表情報; Rec. 2023 Joint Conf. Electric., Electron., Info. Eng. in Kyushu, 11-2A-05, Sep. 2023. 著者; S. Araki, M. Hasan, T. Tanaka, and I. Toyoda
Evaluation of Quasi-TEM Based Formulas of Microstrip-Line Parameters for Millimeter-Wave Circuit Design; 2023年09月 発表情報; Rec. 2023 Joint Conf. Electric., Electron., Info. Eng. in Kyushu, 11-2A-04, Sep. 2023. 著者; S. Terasaki, T. Tanaka, and I. Toyoda
Design of Ku-Band Push-Push Oscillator Employing Spiral Microstrip Resonator Array; 2023年03月 発表情報; 2023 IEICE General Conf. C-2-21 著者; E. Lima, T. Tanaka, and I. Toyoda
Experimental Investigation of Reconfigurable Circularly-Polarized Antenna Using Simple Two-Branch Switchable Feed Network; 2023年03月 発表情報; 2023 IEICE General Conf. B-1-135 著者; D. Huda, M. Hasan, E. Nishiyama, and I. Toyoda
Proposal of Self-Oscillating Multi-Beam Switchable Active Integrated Array Antenna Using SP4T Switch and Push-Push Oscillator; 2023年03月 発表情報; 2023 IEICE General Conf. 著者; M. Hasan, E. Nishiyama, and I. Toyoda
Design of Reconfigurable Circularly-Polarized Ring-Slot Antenna Employing Switchable Microstrip-Line Coupling Feed Network; 2023年03月 発表情報; 2023 IEICE General Conf., B-1-66 著者; H. W. Htun, E, Nishiyama, and I. Toyoda
Proposal of Single-Feed Microstrip Antenna for Quad-Polarization Agility With Short-Ended Microstrip-Line Perturbation; 2023年02月 発表情報; Proc. 3rd Int. Conf. Elec., Comp. Commu. Eng. (ECCE2023) 著者; M. Hasan, H. W. Htun, E. Nishiyama, and I. Toyoda
Loss Analysis of Frequency Tunable Microstrip Antennas Using Wheeler Cap Method; 2022年12月 発表情報; Proc. 2022 IEEE Conf. Antennas Meas. Appl. (CAMA2022) 著者; R. Araki, E. Nishiyama, and I. Toyoda
Design of a Hexad-Polarization Antenna With High Isolation and Switchable Feed Network; 2022年12月 発表情報; Proc. 12th Int. Conf. Elec. Comp. Eng. (ICECE) 著者; M. A. Rahman, M. N. Rahman, M. A. Hossain, M. Hasan, E. Nishiyama, and I. Toyoda
Experimental Study of Single-Feed Dual-Beam Switchable Array Antenna Using PIN Diodes for 5.8-GHz Application; 2022年12月 発表情報; Proc. 7th Int. Conf. Recent Progress Sci., Eng. and Tech. (ICPRSET2022) 著者; N. Akther, M. Hasan, M. A. Hossain, E. Nishiyama, and I. Toyoda
Prototype Evaluation of 5.8-GHz Differential Rectenna Integrating Bridge Rectifier; 2022年11月 発表情報; Proc. 2022 Asia-Pacific Microw. Conf. (APMC2022), 575-577 著者; T. Miyamoto, E. Nishiyama, and I. Toyoda
Experimental Study of Ring-Slot Active Antenna Integrated With Transistor-Based Oscillator; 2022年11月 発表情報; Proc. 2022 Asia-Pacific Microw. Conf. (APMC2022), 130-132 著者; S. Manago, M. Hasan, T. Tanaka, and I. Toyoda
Prototype Evaluation of 5.8-GHz Monopulse Beam Tracking Antenna; 2022年11月 発表情報; Proc. 2022 Asia-Pacific Microw. Conf. (APMC2022), 127-129 著者; S. Toyama, T. Tanaka, and I. Toyoda
A Multi-Beam Array Antenna Employing Simple 4×2Beam-Forming Network Integrating Magic-T and Hybrid Coupler; 2022年10月 発表情報; Proc. 2022 Int. Symp. Antennas Propag. (ISAP2022), 437-438 著者; M. Hasan, E. Nishiyama, and I. Toyoda
A Beam-Forming Antenna Integrating Magic-T Based Matrix Feed Network; 2022年10月 発表情報; Proc. 2022 Int. Symp. Antennas Propag. (ISAP2022), 433-434 著者; Y. Umeda, E. Nishiyama, and I. Toyoda
A Reconfigurable Circularly-Polarized Ring-Slot Antenna Employing Microstrip-Line Switchable Feed Network; 2022年10月 発表情報; Proc. 2022 Int. Symp. Antennas Propag. (ISAP2022), 47-48 著者; H. W. Htun, M. Hasan, E. Nishiyama, and I. Toyoda
Numerical Study on Broadband Inkjet-Printed Antenna Based on Bow-Tie Antenna for Mobile Phone Cell Extender; 2022年09月 発表情報; Rec. 2022 Joint Conf. Electrical, Electronics and Information Engineers in Kyushu, 07-2A-01 著者; R. Fujimoto, E. Nishiyama, M. Miyashita, K. Tomimoto, R. Yamaguchi, and I. Toyoda
Numerical Study on 5.8-GHz Differential Rectenna Integrating Bridge Rectifier; 2022年09月 発表情報; Rec. 2022 Joint Conf. Electrical, Electronics and Information Engineers in Kyushu, 07-2A-02 著者; T. Miyamoto, E. Nishiyama, and I. Toyoda
Basic Study on Dual-Band Polarization-Switchable Antenna Consisting of Rectangular Ring and Rectangular Patch; 2022年09月 発表情報; Rec. 2022 Joint Conf. Electrical, Electronics and Information Engineers in Kyushu, 07-2A-03 著者; Y. Ikoma, E. Nishiyama, and I. Toyoda
Basic Concept of Down-Conversion Active Integrated Antenna with Image-Rejection Mixer; 2022年09月 発表情報; Rec. 2022 Joint Conf. Electrical, Electronics and Information Engineers in Kyushu, 07-2A-04 著者; R. Kawasaki, T. Tanaka, and I. Toyoda
Evaluation of Control Algorithm for Monopulse Beam Tracking Antenna Using Emulator; 2022年09月 発表情報; Rec. 2022 Joint Conf. Electrical, Electronics and Information Engineers in Kyushu, 07-2A-05 著者; S. Toyama, T. Tanaka, and I. Toyoda
Phase noise improvement of 2nd harmonic Push-Push oscillator by stabilizing resonance field using transmission line resonators; 2022年09月 発表情報; Rec. 2022 Joint Conf. Electrical, Electronics and Information Engineers in Kyushu, 07-2A-06 著者; Y. Takeguchi, T. Tanaka, and I. Toyoda
Basic Study of Push-Push VCO Using Varactor-Loaded Quasi-Distributed-Element Transmission-Line Resonator; 2022年09月 発表情報; Rec. 2022 Joint Conf. Electrical, Electronics and Information Engineers in Kyushu, 07-2A-07 著者; K. Wakakita, M. Hasan, T. Tanaka, and I. Toyoda
Experimental Study of Single-Feed Dual-Beam Switchable Microstrip Array Antenna Using Planar Magic-Ts; 2022年09月 発表情報; 2022 IEICE Society Conf., B-1-51 著者; M. Hasan, E. Nishiyama, and I. Toyoda
Design of Reconfigurable Circularly-Polarized Microstrip Array Antenna Employing Short-Ended Microstrip-Line Perturbations and Planar Magic-Ts; 2022年09月 発表情報; 2022 IEICE Society Conf., B-1-52 著者; H. W. Htun, E. Nishiyama, and I. Toyoda
Study on Loss of Varactor-Loaded Tunable Microstrip Antennas Considering Q Factor; 2022年08月 発表情報; Proc. 2022 IEEE Int. Symp. Radio-Freq. Integ. Techn. (RFIT2022), W2B.4, Busan, Korea 著者; E. Nishiyama, R. Araki, and I. Toyoda
Design of Simple 4 × 2 Beam-Forming Network for Four-Beam Array Antenna; 2022年03月 発表情報; 2022 IEICE General Conf., B-1-116 著者; M. Hasan, E. Nishiyama, and I. Toyoda
Design of 2.4-GHz Reconfigurable Circularly Polarized Square Ring Slot Antenna Employing Microstrip-Line Switchable Feed Network; 2022年03月 発表情報; 2022 IEICE General Conf., B-1-115 著者; H. W. Htun, E. Nishiyama, and I. Toyoda
A Gunn Diode Based Self-Oscillating Active Integrated Array Antenna With a Concept for Beamwidth Controllability; 2021年12月 発表情報; 2021 IEEE Int. Conf. Telecom. Photon. (ICTP2021) 著者; M. A. Rahman, M. Hasan, E. Nishiyama, and I. Toyoda
A Wideband Double-Balanced Multiplier Integrated Circular-Polarization Switchable Microstrip Antenna with Parasitic Elements; 2021年12月 発表情報; 2021 Int. Conf. Emerg. Tech. Comm. (ICETC2021) 著者; T. Kayashima, E. Nishiyama, and I. Toyoda
A High Noise Immunity Monopulse Direction of Arrival Estimation Antenna for Vehicle Tracking; 2021年10月 発表情報; 2021 Int. Symp. Antennas Propag. (ISAP 2021) 著者; Y. Umeda, E. Nishiyama, I. Toyoda, M. Miyashita, K. Tomimuro, and Ryo Yamaguchi
Parameter Study of Dual-Band Array Antenna for Stacked Differential Rectenna Arrays; 2021年10月 発表情報; 2021 Int. Symp. Antennas Propag. (ISAP 2021) 著者; K. Saito, E. Nishiyama, and I. Toyoda
Densely Arranged Array Antenna for High Output DC Power Rectenna Arrays; 2021年10月 発表情報; 2021 Int. Symp. Antennas Propag. (ISAP 2021) 著者; T. Kichiji, E. Nishiyama, and I. Toyoda
Numerical Study of Array Arrangement in High-Density Array Antenna for Large-Scale Rectenna Arrays; 2021年09月 発表情報; 2021 Joint Conf. Electrical, Electronics and Information Engineers in Kyushu, 06-2P-06 著者; T. Kichiji, E. Nishiyama, and I. Toyoda
Numerical Evaluation of Loss Factors in Frequency Tunable Microstrip Antenna Loading Diodes; 2021年09月 発表情報; 2021 Joint Conf. Electrical, Electronics and Information Engineers in Kyushu, 06-2P-07 著者; R. Araki, E. Nishiyama, and I. Toyoda
Experimental Study of Active Antenna Integrated With Transistor-Based Oscillator; 2021年09月 発表情報; 2021 Joint Conf. Electrical, Electronics and Information Engineers in Kyushu, 06-2P-08 著者; S. Manago, T. Tanaka, and I. Toyoda
Numerical Study on Wide-Angle Monopulse Microstrip Antenna Using High-Permittivity Substrate; 2021年09月 発表情報; 2021 Joint Conf. Electrical, Electronics and Information Engineers in Kyushu, 06-2P-09 著者; Y. Umeda, E. Nishiyama, and I. Toyoda
Design of Tri-State SPDT Switch Using Shunt Open Stub Resonator; 2021年09月 発表情報; 2021 IEICE Society Conf., C-2-20 著者; M. Hasan, E. Nishiyama, and I. Toyoda
Designing of a Both-Sided MIC Starfish Microstrip Array Antenna for K-Band Application; 2021年08月 発表情報; Proc. 2021 IEEE Region 10 Symp. (TENSYMP 2021), OS-05-01, Jeju, Korea (Hybrid), Aug. 2021. 著者; A. H. Murshed, M. A. Hossain, M. A. Rahman, E. Nishiyama, and I. Toyoda
Improvement of Phase Noise Characteristics of Reflective Type Push-Push Oscillator by Using Microstrip-Line Resonators; 2021年08月 発表情報; 2021 IEEE Int. Symp. Antenna Tech. Appl. Electromag. (ANTEM2021), Winnipeg, Canada (Online), Aug. 2021. 著者; T. Tanaka, S. Kikutake, and I. Toyoda
Proposal of Pattern-Reconfigurable Self-Oscillating Active Array Antenna Integrating Slot-Line Gunn Oscillator and Hybrid Coupler; 2021年08月 発表情報; Proc. 2021 Int. Conf. Sci. Contemporary Tech. (ICSCT2021), D2-P3S1-1, Dhaka, Bangladesh (Online), Aug. 2021. 著者; M. Hasan, E. Nishiyama, T. Tanaka, and I. Toyoda
Proposal of Polarization Agile Active Array Antenna Integrated with Gunn Oscillator and Diode-Loaded Cross Slots; 2021年03月 発表情報; 2021年信学総大,B-1-62,Mar. 2021. 著者; M. Hasan, R. Moroishi, E. Nishiyama, and I. Toyoda
A Microstrip-Line Gunn Oscillator Loaded Active Integrated Array Antenna Using Inclined Patches for Polarization Switching Function; 2021年01月 発表情報; Proc. 2020 Int. Symp. Antennas Propag. (ISAP2020), pp. 797-798, Osaka, Japan (Virtual), Jan. 2021. 著者; M. Hasan, E. Nishiyama, and I. Toyoda
A Reconfigurable Circularly Polarized Microstrip Antenna with Short-Ended Microstrip Line Perturbations; 2021年01月 発表情報; Proc. 2020 Int. Symp. Antennas Propag. (ISAP2020), pp. 723-724, Osaka, Japan (Virtual), Jan. 2021. 著者; H. W. Htun, E. Nishiyama, and I. Toyoda
Experimental Study on Dual-Band Differential Rectenna with Stacked Antenna Configuration; 2021年01月 発表情報; Proc. 2020 Int. Symp. Antennas Propag. (ISAP2020), pp. 829-830, Osaka, Japan (Virtual), Jan. 2021. 著者; K. Saito, E. Nishiyama, and I. Toyoda
Novel Simulation Approach to Microstrip Antenna Integrated with Nonlinear Circuit; 2021年01月 発表情報; Proc. 2020 Int. Symp. Antennas Propag. (ISAP2020), pp. 187-188, Osaka, Japan (Virtual), Jan. 2021. 著者; T. Kayashima, E. Nishiyama, and I. Toyoda
Prototype Evaluation of Monopulse Beam Steering Circularly Polarized Array Antenna; 2021年01月 発表情報; Proc. 2020 Int. Symp. Antennas Propag. (ISAP2020), pp. 491-492, Osaka, Japan (Virtual), Jan. 2021. 著者; D. Iwamoto, E. Nishiyama, and I. Toyoda
A Quad-Polarization Agile Microstrip Antenna with Diode Loaded Cross Slot and Microstrip Line; 2021年01月 発表情報; Proc. 2020 Int. Symp. Antennas Propag. (ISAP2020), pp. 493-494, Osaka, Japan (Virtual), Jan. 2021. 著者; R. Moroishi, E. Nishiyama, and I. Toyoda
Experimental Study on 2-Element Rectenna Array Using Yagi-Uda Antenna; 2021年01月 発表情報; Proc. 2020 Int. Symp. Antennas Propag. (ISAP2020), pp. 521-522, Osaka, Japan (Virtual), Jan. 2021. 著者; S. Egashira, E. Nishiyama, and I. Toyoda
Phase Noise Improvement of Multi-Element Push-Push Oscillator Using Electric and Magnetic Field Couplings; 2020年12月 発表情報; Proc. 2020 Asia-Pacific Microw. Conf. (APMC2020), pp. 510-512, Hong Kong SAR, PR China (Virtual), Dec. 2020. 著者; R. Kikuchi, T. Tanaka, and I. Toyoda
A Novel Miniature Rectenna Integrating Rectifier in Antenna Element for Large-Scale Rectenna Arrays; 2020年12月 発表情報; Proc. 2020 Asia-Pacific Microw. Conf. (APMC2020), pp. 782-784, Hong Kong SAR, PR China (Virtual), Dec. 2020. 著者; K. Saito, H. Satow, E. Nishiyama, and I. Toyoda
Basic concept of dual-band differential rectenna for 2.45- and 5.8- GHz Wireless Power Transfer; 2020年12月 発表情報; Proc. 2020 Int. Conf. Emerg. Tech. for Comm. (ICETC2020), A3-3, Dec. 2020. 著者; K. Saito, E. Nishiyama, and I. Toyoda
Design of Dual-Beam Switchable Self-Oscillating Active Array Antenna Integrating Positive Feedback Type Push-Push Oscillator and PSK Modulator; 2020年12月 発表情報; Proc. 2020 Int. Conf. Emerg. Tech. for Comm. (ICETC2020), A4-5, Dec. 2020. 著者; M. Hasan, E. Nishiyama, T. Tanaka and I. Toyoda
[Invited Lecture] Research and Development Activities of Active Integrated Antenna for Polarization and Beam Switching Functions; 2020年11月 発表情報; IEICE Tech. Mtg. on Short Range Wireless Communications (SRW), SRW2020-35, Nov. 2020. 著者; M. Hasan, E. Nishiyama, and I. Toyoda
Design of Beam Steering Circularly Polarized Antenna With Offset Feed Amplitude Control; 2020年09月 発表情報; Rec. 2020 Joint Conf. Electrical, Electronics and Information Engineers in Kyushu, 08-2P-06, Sep. 2020. 著者; D. Iwamoto, E. Nishiyama, and I. Toyoda
Novel Simulation Approach to Orthogonal Dual-Mode Resonator Integrated with Nonlinear Circuit; 2020年09月 発表情報; Rec. 2020 Joint Conf. Electrical, Electronics and Information Engineers in Kyushu, 08-2P-02, Sep. 2020. 著者; T. Kayashima, E. Nishiyama, and I. Toyoda
Basic Study of Planar Rectenna Employing Yagi-Uda Antenna for High-Power Rectenna Arrays; 2020年09月 発表情報; 著者; S. Egashira, E. Nishiyama, and I. Toyoda
Prototype Evaluation of a Low-Loss Magic-T Employing Microstrip Lines and a Coplanar Strip Line With DGS; 2020年09月 発表情報; Rec. 2020 Joint Conf. Electrical, Electronics and Information Engineers in Kyushu, 08-2A-04, Sep. 2020. 著者; H. Nakahara, T. Tanaka, and I. Toyoda
Phase Noise Improvement of Push-Push Oscillators by Using Four Sub-Oscillators; 2020年09月 発表情報; Rec. 2020 Joint Conf. Electrical, Electronics and Information Engineers in Kyushu, 08-2A-03, Sep. 2020. 著者; R. Kikuchi, T. Tanaka, and I. Toyoda
Design of a Beam Switchable Self-Oscillating Active Integrated Array Antenna Using a Microstrip Line Gunn Oscillator and Planar Magic-Ts; 2020年09月 発表情報; 2020 IEICE Society Conf. B-1-92, Sep. 2020. 著者; M. Hasan, E. Nishiyama, and I. Toyoda
Design of a 5G Compatible Two-Element Dual-Band Circularly Polarized MIMO Antenna; 2019年12月 発表情報; Proc. 2019 Asia-Pacific Microwave Conference (APMC2019), pp. 1087-1089 著者; S. Chakraborty, M. A. Rahman, M. A. Hossain, E. Nishiyama, and I. Toyoda
Phase Noise Improvement of a Fourth-Harmonic Push-Push Oscillator Using a Ring Resonator With Additional Microstrip-Line Resonators; 2019年12月 発表情報; Proc. 2019 Asia-Pacific Microwave Conference (APMC2019), pp. 1915-1917 著者; K. Tokumaru, T. Tanaka, and I. Toyoda
Experimental Investigation of a Reconfigurable Circularly Polarized Microstrip Antenna Employing Switchable Short-End Microstrip-Line Perturbations; 2019年11月 発表情報; IEICE Tech. Rep. Antennas and Propagation 著者; H. W. Htun, E. Nishiyama, and I. Toyoda
Design and Performance Studies of a MIMO Antenna With Circular Polarization Diversity for 5G Applications; 2019年09月 発表情報; Proc. 2019 5th Int’l Conf. Advanced in Electrical Engineering (ICAEE2019) 著者; S. Chakaraborty, M. A. Rahman, M. A. Hossain, A. T. Mobashsher, E. Nishiyama, and I. Toyoda
Design of a Reconfigurable Circularly Polarized Microstrip Antenna Employing Switchable Short-End Microstrip-Line Perturbations; 2019年09月 発表情報; Rec. 2019 Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu 著者; H. W. Htun, E. Nishiyama, and I. Toyoda
Numerical Evaluation of Cross-Polarization Suppression for Circularly Polarized Microstrip Array Antennas; 2019年09月 発表情報; Rec. 2019 Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu 著者; R. Oshige, E. Nishiyama, and I. Toyoda
Experimental Evaluation of a Low Phase Noise Positive Feedback Push-Push Oscillator Using Injection Locking Technique; 2019年09月 発表情報; Rec. 2019 Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu 著者; K. Tokumaru, T. Tanaka, and I. Toyoda
Concept and Design of a Variable Power Divider Employing a Magic-T and Phase Shifter; 2019年09月 発表情報; Rec. 2019 Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu 著者; N. Morita, T. Tanaka, and I. Toyoda
Proposal of a Planar Polarization Switchable Self-Oscillating Active Integrated 2×2 Array Antenna with a Microstrip Gunn Oscillator and PSK Modulators; 2019年09月 発表情報; 2019 IEICE Society Conf. 著者; M. Hasan, E. Nishiyama, and I. Toyoda
A Polarization Agile Self-Oscillating Active Integrated 2×2 Array Antenna Using PSK Modulators; 2019年08月 発表情報; Proc. 8th Asia-Pacific Conf. Antennas Propag. (APCAP2019) 著者; M. Hasan, E. Nishiyama, and I. Toyoda
Design of a Miniaturized Polarization Agile Self-Oscillating Ring-Slot Active Integrated Antenna for Short Range Wireless Communications; 2019年06月 発表情報; IEICE Tech. Rep. Short Range Wireless Communications 著者; M. Hasan, E. Nishiyama, and I. Toyoda
Proposal of a Polarization Switchable Active Array Antenna Integrating a Single-Lambda Slot-Ring Gunn Oscillator and PSK Modulator; 2019年03月 発表情報; 2019 IEICE General Conf., B-1-43, Mar. 2019. 著者; M. Hasan, E. Nishiyama, and I. Toyoda
Experimental Study of a Circularly Polarized Dual-Axis Dual-Beam Array Antenna Employing Dual-Feed Network; 2019年03月 発表情報; 2019 IEICE General Conf., B-1-44 Mar. 2019. 著者; T. P. Phyoe, E. Nishiyama, and I. Toyoda
Prototype Evaluation of a Low Phase Noise Push-Push Oscillator Using Dual-Feedback Sub-Oscillators and a Microstrip Ring Resonator; 2019年03月 発表情報; 2019 IEICE General Conf., C-2-5, Mar. 2019. 著者; E. N. Lima, T. Tanaka, and I. Toyoda
45°傾けたアンテナ素子へのマジックTを用いた直交給電による円偏波共用アレーアンテナの測定評価; 2019年01月 発表情報; 映情学技報,BCT2019-15,Jan. 2019. 著者; 内山寛貴,T. P. Phyoe,西山英輔,豊田一彦
A 5.8-GHz Dual-Axis Monopulse Microstrip Array Antenna Using Dual-Feed Network; 2018年11月 発表情報; Proc. 2018 Asia-Pacific Microwave Conf. (APMC2018), FR3-IF-24, Kyoto, Japan, Nov. 2018. 著者; T. P. Phyoe, E. Nishiyama, and I. Toyoda
A Polarization Switchable Active Array Antenna Integrating a Multiport Oscillator and PSK Modulators; 2018年11月 発表情報; Proc. 2018 Asia-Pacific Microwave Conf. (APMC2018), FR3-B1-2, Kyoto, Japan, Nov. 2018. 著者; M. Hasan, H. Ushiroda, E. Nishiyama, and I. Toyoda
Phase Noise Improvement of a Ku-Band Push-Push Oscillator Using Injection Locking via Two Magnetic Coupling Points; 2018年11月 発表情報; Proc. 2018 Asia-Pacific Microwave Conf. (APMC2018), TH1-IF-3, Kyoto, Japan, Nov. 2018. 著者; E. N. Lima, T. Tanaka, and I. Toyoda
A High Efficiency Differential Rectenna Employing Two-Parasitic-Element Stacked Antenna; 2018年11月 発表情報; Proc. 2018 Asia-Pacific Microwave Conf. (APMC2018), WE2-C2-4, Kyoto, Japan, Nov. 2018. 著者; K. Yasuda, E. Nishiyama, and I. Toyoda
A Mutual Phase Synchronization Type Push-Push Oscillator Array Using Fourth-Harmonic Push-Push Oscillators; 2018年11月 発表情報; Proc. 2018 Asia-Pacific Microwave Conf. (APMC2018), WE1-IF-7, Kyoto, Japan, Nov. 2018. 著者; N. Takeda, T. Tanaka, and I. Toyoda
(Invited) Active Integrated Array Antenna with Oscillation and Modulation Function for Spatial Modulation Wireless Communications; 2018年10月 発表情報; Proc. 12th Asia-Pacific Engineering Research Forum on Microwaves and Electromagnetic Theory (APMET2018), pp.131-137, Fukuoka, Japan, Oct. 2018. 著者; I. Toyoda, E. Nishiyama, and T. Tanaka
(Invited) Push-Push Oscillator Arrays Using Unilateral Coupling Circuits and Mutual Coupling Circuit; 2018年10月 発表情報; Proc. 12th Asia-Pacific Engineering Research Forum on Microwaves and Electromagnetic Theory (APMET2018), pp.131-137, Fukuoka, Japan, Oct. 2018. 著者; T. Tanaka and I. Toyoda
(Invited) Monopulse DOA Estimation Microstrip Array Antennas Integrated with Magic-Ts; 2018年10月 発表情報; Proc. 12th Asia-Pacific Engineering Research Forum on Microwaves and Electromagnetic Theory (APMET2018), pp.97-104, Fukuoka, Japan, Oct. 2018. 著者; E. Nishiyama and I. Toyoda
A Novel Ku-Band Push-Push Oscillator with an Improved Synchronization Mechanism; 2018年09月 発表情報; 2018 IEICE Society Conf., C-2-10, Sep. 2018. 著者; E. N. Lima, T. Tanaka, and I. Toyoda
Basic Evaluation of a Coupled Slot-Ring Gunn Oscillator Array for Active Antennas; 2018年09月 発表情報; 2018 IEICE Society Conf., C-2-9, Sep. 2018. 著者; M. Hasan, E. Nishiyama, T. Tanaka, and I. Toyoda
Experimental Investigation of a Dual-Axis Monopulse Microstrip Array Antenna Employing a Slot-T Type Planar Magic-T; 2018年09月 発表情報; 2018 IEICE Society Conf., B-1-123, Sep. 2018. 著者; T. P. Phyoe, E. Nishiyama, and I. Toyoda
Design of a Variable Attenuation Balun Employing a Planar Magic-T; 2018年09月 発表情報; Rec. 2018 Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu, 13-2P-05, Sep. 2018. 著者; T. Kitamura, T. Tanaka, and I. Toyoda
Design of a Magic-T Integrated Dual Circularly Polarized Array Antenna With Quadrature-Fed Inclined Patches; 2018年09月 発表情報; Rec. 2018 Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu, 13-2P-04, Sep. 2018. 著者; H. Uchiyama, T. P. Phyoe, E. Nishiyama, and I. Toyoda
Ground Plane Size Effect on a Differential Rectenna With Two Parasitic Elements; 2018年09月 発表情報; Rec. 2018 Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu, 13-2P-03, Sep. 2018. 著者; K. Yasuda, E. Nishiyama, and I. Toyoda
A Ku-Band Injection-Locked Push-Push Oscillator Using Two-Wavelength Ring Resonator; 2018年09月 発表情報; Proc. 48th European Microwave Conf. (EuMC2018), pp. 1325-1328, Madrid, Spain, Sep. 2018. 著者; E. N. Lima, T. Tanaka, and I. Toyoda
Experimental Study on Performance Improvement of a DBM Integrated Circularly Polarized Microstrip Antenna Using Stacked Structure; 2018年08月 発表情報; 2018 Progress In Electromagnetics Research Symp. Abstracts (PIERS2018), p. 620, Toyama, Japan, Aug. 2018. 著者; E. Nishiyama, T. Ino, and I. Toyoda
Quadrature Hybrid Integrated Dual-Circularly Polarized Array Antenna; 2018年08月 発表情報; Proc. 2018 IEEE 7th Asia-Pacific Conf. Antennas Propag. (APCAP2018), M4B-4, pp. 164-165, Auckland New Zealand, Aug. 2018. 著者; M. A. Rahman, E. Nishiyama, and I. Toyoda
Multi-Port Push-Push Oscillator for Mutually Synchronized Oscillator Array; 2018年08月 発表情報; 2018 18th Int’l Symp. Antenna Technology and Applied Electromagnetics (ANTEM2018), WE3D-1, Waterloo, ON, Canada, Aug. 2018. 著者; T. Tanaka, T. Fukushima, and I. Toyoda
Functional Microstrip Array Antenna Integrating Double-Sided MIC’s; 2018年08月 発表情報; 2018 IEEE Int’l Workshop Electromagnetics: Applications and Student Innovation Competition (iWEM2018), TP2.3, Nagoya, Aichi, Japan, Aug. 2018. 著者; E. Nishiyama and I. Toyoda
A Circularly Polarized Triple-Feed Multi-Beam Array Antenna Using Planar Magic-Ts; 2018年07月 発表情報; 2018 IEEE AP-S Symp. Antennas and Propag. and URSI CNC/USNC Joint Mtg. (AP-S/URSI 2018), MO-A1.8A.4, pp. 175-176, Boston, MA, USA, July 2018. 著者; T. P. Phyoe, E. Nishiyama, and I. Toyoda
Experimental Evaluation of a Circularly Polarized Dual-Axis Wide-Angle Rectenna Employing a Dual-Feed Network and Inclined Patches; 2018年06月 発表情報; IEICE Tech. Rep. Wireless Power Transfer, WPT2018-12, June 2018. 著者; T. P. Phyoe, E. Nishiyama, and I. Toyoda
Rectenna Application of a Quadrature Hybrid Integrated Microstrip Antenna for Multi-Polarization Reception; 2018年06月 発表情報; IEICE Tech. Rep. Wireless Power Transfer, WPT2018-11, June 2018. 著者; M. A. Rahman, E. Nishiyama, and I. Toyoda
Design of a 5.8-GHz Circularly Polarized Triple-Feed Array Antenna Using Planar Magic-Ts; 2018年03月 発表情報; 2018 IEICE General Conf., B-1-70, Mar. 2018. 著者; T. P. Phyoe, E. Nishiyama, and I. Toyoda
Design of a Wideband Dual-Polarized Microstrip Array Antenna; 2018年03月 発表情報; 2018 IEICE General Conf., B-1-71, Mar. 2018. 著者; M. A. Rahman, E. Nishiyama, and I. Toyoda
Simulated and Measured Performance of a Gunn-Oscillator Integrated 12-Patch Active Array Antenna With Polarization Switching; 2018年03月 発表情報; 2018 IEICE General Conf., B-1-72, Mar. 2018. 著者; M. Hasan, H. Ushiroda, E. Nishiyama, and I. Toyoda
リング共振器を用いた3ポート4次高調波Push-Push発振器の実験的検討; 2018年03月 発表情報; 2018信学総大, C-2-6, Mar. 2018. 著者; 武田直晃,田中高行,豊田一彦
Prototype Evaluation of a Novel Ku-Band Push-Push Oscillator Using Dual-Feedback Sub-Oscillators; 2018年03月 発表情報; 2018 IEICE General Conf., C-2-7, Mar. 2018. 著者; E. N. Lima, T. Tanaka, and I. Toyoda
Design of a Dual-Axis Wide-Angle Rectenna With Matching Networks; 2017年12月 発表情報; Proc. 8th Int’l Conf. Science and Eng. 2017 (ICSE2017), pp. 395-398, Yangon, Myanmar, Dec. 2017. 著者; T. P. Phyoe, E. Nishiyama, and I. Toyoda
Experimental Study on Nonlinear Characteristics of a DBM Integrated Circularly Polarized Microstrip Antenna; 2017年11月 発表情報; Progress In Electromagnetics Research Symposium Abstracts (PIERS2017), p. 600, Singapore, Nov. 2017. 著者; E. Nishiyama, T. Ino, and I. Toyoda
Experimental Study of Double-Balanced-Multiplier Integrated Circularly Polarized Microstrip Antenna With Nonlinear Characteristics; 2017年10月 発表情報; Proc. 2017 Int’l Symp. Antennas and Propag. (ISAP2017), 3D2-1, Phuket, Thailand, Oct. 2017. 著者; E. Nishiyama, T. Ino, and I. Toyoda
A Dual-Axis Wide-Angle Rectenna Using a Triple-Feed Array Antenna; 2017年10月 発表情報; Proc. 2017 Int’l Symp. Antennas and Propag. (ISAP2017), 2B4-2, Phuket, Thailand, Oct. 2017. 著者; T. P. Phyoe, H. Satow, E. Nishiyama, and I. Toyoda
A Circular Polarization Antenna With Square Ring Slot Loaded on Ground Plane; 2017年10月 発表情報; Proc. 2017 Int’l Symp. Antennas and Propag. (ISAP2017), POS3-18, Phuket, Thailand, Oct. 2017. 著者; M. A. Rahman, E. Nishiyama, and I. Toyoda
Basic Study of a Fourth Harmonic Push-Push Oscillator Using a Microstrip Line Resonator; 2017年09月 発表情報; Rec. 2017 Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu, 10-2A-03, Sep. 2017. 著者; N. Takeda, T. Tanaka, and I. Toyoda
Design of an Injection Circuit for Sub-Harmonic Injection Locked Gunn Oscillators; 2017年09月 発表情報; Rec. 2017 Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu, 10-2A-04, Sep. 2017. 著者; D. Shimizu, T. Tanaka, and I. Toyoda
Proposal of a Low Phase Noise Push-Push Oscillator Using Dual-Feedback Sub-Oscillators; 2017年09月 発表情報; Rec. 2017 Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu, 10-2A-05, Sep. 2017. 著者; E. N. Lima, T. Tanaka, and I. Toyoda
Performance Comparison of Conical/Pencil Dual-Beam Array Antennas Using Two Different Types of Planar Magic-Ts; 2017年09月 発表情報; Proc. 2017 IEICE Society Conf., B-1-74, Sep. 2017. 著者; T. P. Phyoe, E. Nishiyama, and I. Toyoda
Design of a Polarization Reconfigurable Defected Ground Microstrip Antenna With L-shape Corner Segment; 2017年09月 発表情報; 著者; M. A. Rahman, E. Nishiyama, and I. Toyoda
Experimental Study of Double-Balanced-Multiplier Integrated Circularly Polarized Microstrip Antenna for Tx and Rx operation (Invited); 2017年08月 発表情報; Proc. 2017 IEEE Int’l Symp. Radio-Frequency Integration Tech. (RFIT2017), FR_2B_1, pp. 117-119, Seoul, Korea, Aug. 2017. 著者; E. Nishiyama, T. Ino, and I. Toyoda
Circular Polarization Agile Microstrip Antenna With Double Balanced Multiplier on Ring Slot; 2017年07月 発表情報; 2017 IEEE AP-S Symp. Antennas and Propag. And URSI CNC/USNC Joint Mtg. (AP-S/URSI 2017), WE-A1.1P.4, pp. 1145-1146, San Diego, CA, USA, July 2017. 著者; E. Nishiyama, H. Matsui, and I. Toyoda
A Frequency Diversity Reconfigurable Antenna With Circular Polarization Switching Capability; 2017年07月 発表情報; 2017 IEEE AP-S Symp. Antennas and Propag. And URSI CNC/USNC Joint Mtg. (AP-S/URSI 2017), TH-A1.2A.4, pp. 1367-1368, San Diego, CA, USA, July 2017. 著者; M. A. Rahman, E. Nishiyama, and I. Toyoda
Design of a Conical/Pencil Dual-Beam Array Antenna Using Planar Magic-Ts; 2017年06月 発表情報; Proc. 2017 Asian Workshop on Antennas and Propag., P1-28, pp. 57-58, Sapporo, Japan, June 2017. 著者; T. P. Phyoe, E. Nishiyama, and I. Toyoda
Performance Improvement of a Dual-Axis Wide-Angle Rectenna Using Matching Networks; 2017年06月 発表情報; IEICE Tech. Rep., WPT2017-10, June 2017. 著者; T. P. Phyoe, H. Satow, E. Nishiyama, and I. Toyoda
Experiment Evaluation of a Multiport Harmonic Gunn Oscillator With Fundamental Signal Suppression; 2017年06月 発表情報; Proc. 2017 Thailand-Japan Microwave (TJMW2017), TH2-21, Bangkok, Thailand, June 2017. 著者; T. Sakumoto, T. Tanaka, and I. Toyoda
Design of a Slot-Loaded Dual-Band Dual-Polarization Microstrip Antenna; 2017年03月 発表情報; Proc. 2017 IEICE General Conf., B-1-133 著者; M. A. Rahman, E. Nishiyama, and I. Toyoda
Proposal of a Two-Dimensional DOA Estimation Antenna Using Multilayer Structure; 2017年03月 発表情報; Proc. 2017 IEICE General Conf., B-1-130 著者; R. Rashid, M. A. Hossain, E. Nishiyama, and I. Toyoda
An RF Multiplier Integrated Planar Antenna for DOA Estimation; 2016年10月 発表情報; Proc. 2016 Int'l Symp. Antennas and Propag. (ISAP2016), pp. 438-439, POS1-77, Okinawa, Japan, Oct. 2016. 著者; R. Rashid, D. Hattori, E. Nishiyama, and I. Toyoda
An H-Plane Wide-Angle Rectenna Using an In-Phase/Anti-Phase Dual-Feed Antenna; 2016年10月 発表情報; Proc. 2016 Int'l Symp. Antennas and Propag. (ISAP2016), pp. 532-533, POS1-124, Okinawa, Japan, Oct. 2016. 著者; H. Satow, Y Tanaka, E. Nishiyama, and I. Toyoda
A Microstrip Antenna With Circular Polarization Switching Capability for X-Band Applications; 2016年10月 発表情報; Proc. 2016 Int'l Symp. Antennas and Propag. (ISAP2016), pp. 820-821, POS2-55, Okinawa, Japan, Oct. 2016. 著者; M. A. Rahman, E. Nishiyama, M. A. Hossain, Q. D. Hossain, and I. Toyoda
Design of a Circularly Polarized Microstrip Antenna With Frequency and Polarization Diversity Using Single Corner Perturbation; 2016年09月 発表情報; Proc. 2016 IEICE Society Conf., B-1-85, Sep. 2016. 著者; M. A. Rahman, E. Nishiyama, and I. Toyoda
Theoretical Evaluation of an Extended Monopulse DOA Estimation Antenna Integrating RF Multiplier; 2016年09月 発表情報; Proc. 2016 IEICE Society Conf., B-1-83, Sep. 2016. 著者; R. Rashid, E. Nishiyama, and I. Toyoda
Basic Evaluation of a Slot-Ring Gunn Oscillator for Active Antennas; 2016年09月 発表情報; Rec. 2016 Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu, 10-2A-07, Sep. 2016. 著者; H. Ushiroda, E. Nishiyama, and I. Toyoda
Miniaturization of 920-MHz Differential Rectennas Using Shorted-Microstrip Antennas; 2016年09月 発表情報; 著者; T. Suenaga, E. Nishiyama, A. Morita, T. Kudo, and I. Toyoda
Basic Study of a Planar Rectenna Using Slot-Microstrip Line T-Junction; 2016年09月 発表情報; Rec. 2016 Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu, 10-2A-03, Sep. 2016. 著者; K. Saisyo, E. Nishiyama, and I. Toyoda
Basic Study of a Ring Slot Antenna Integrating Gunn Oscillators for Spatial Modulation; 2016年09月 発表情報; Rec. 2016 Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu, 10-1P-02, Sep. 2016. 著者; Y. Furukawa, E. Nishiyama, and I. Toyoda
Experimental Study of a Circularly Polarized Circular Microstrip Antenna With Double Balanced Multiplier; 2016年09月 発表情報; Rec. 2016 Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu, 10-1A-01, Sep. 2016. 著者; T. Ino, E. Nishiyama, and I. Toyoda
Stabilizing Output Performance of Positive Feedback Type Push-Push Oscillator Array by Injection Locking Technology; 2016年07月 発表情報; 2016 17th Int’l Symp. Antenna Technology and Applied Electromagnetics (ANTEM2016), Montreal, QC, Canada, July 2016. 著者; T. Tanaka, H. Umezaki, and I. Toyoda
Experimental Evaluation of a Bow-Tie Rectenna; 2016年06月 発表情報; IEICE Tech. Rep., WPT2016-11, June 2016. 著者; A. J. Alvina, E. Nishiyama, and I. Toyoda
Basic Study on Varactor Loaded Tunable Circularly Polarized Microstrip Antenna; 2016年06月 発表情報; 2016 Thailand-Japan Microwave (TJMW2016), TH2-03, Bangkok, Thailand, June 2016. 著者; E. Nishiyama, T. Yamada, and I. Toyoda
Design of an Orthogonal Feed Circularly Polarized Microstrip Array Antenna Suitable for Large Scale Extensible Arrays; 2016年05月 発表情報; 5th Int’l Conf. Informatics, Electronics & Vision (ICIEV2016), 53, Dhaka, Bangladesh, May 2016. 著者; M. A. Rahman, E. Nishiyama, M. A. Hossain, Q. D. Hossain, and I. Toyoda
Performance Analysis of Magic-T Integrated Array Antennas in Two Different Configurations; 2016年03月 発表情報; Proc. 2016 IEICE General Conf., B-1-187 著者; R. Rashid, E. Nishiyama, and I. Toyoda
Experimental Investigation of a Circularly Polarized Array Antenna With Inclined Linear Polarization Patches; 2016年03月 発表情報; Proc. 2016 IEICE General Conf., B-1-186 著者; M. A. Rahman, E. Nishiyama, M. A. Hossain, Q. D. Hossain, and I. Toyoda
Prototype Evaluation of a Beam Tracking Antenna Using Magic-T; 2015年11月 発表情報; Proc. 2015 Int’l Symp. on Antennas and Propag. (ISAP2015), S3.12.1 著者; R. Rashid, E. Nishiyama, and I. Toyoda
Gain Enhancement of a Dual Feed Microstrip Array Antenna Using Parasitic Elements; 2015年11月 発表情報; Proc. 2015 Int’l Symp. on Antennas and Propag. (ISAP2015), S5.9.1 著者; H. Satow, E. Nishiyama, and I. Toyoda
Selective Wireless Power Transfer Using Two Transmission Coils Sandwiching Reception Coils; 2015年11月 発表情報; Proc. 2015 Int’l Symp. on Antennas and Propag. (ISAP2015), S2.4.6 著者; A. Yoshida, E. Nishiyama, and I. Toyoda
Experimental Study on Load Resistance Design of a Differential Rectenna; 2015年11月 発表情報; Proc. 2015 Int’l Symp. on Antennas and Propag. (ISAP2015), S1.4.1 著者; J. Takahashi, E. Nishiyama, and I. Toyoda
A Study of Automatic Measuring Circuit Suitable for Very Small Phase Difference Measurement; 2015年11月 発表情報; Proc. 2015 Int’l Symp. on Intelligent Signal Processig and Comm. Sys. (ISPACS), 2D-4 著者; T. Noguchi, S. Fukai, I. Toyoda, Y. Ishikawa, and A. Shimizu
Magnetic Resonance Type Selective Wireless Power Transfer Using Two Transmission Resonators with Phase Differenc; 2015年11月 発表情報; Proc. 2015 Int’l Symp. on Antennas and Propag. (ISAP2015), S4.12.4 著者; Y. Fukushima, E. Nishiyama, and I. Toyoda
A Push-Push Oscillator Array with Very Simple Coupling Circuits Using HEMT; 2015年09月 発表情報; Proc. 45th European Microwave Conference (EuMC2015), EuMC14-04 著者; T. Tanaka, T. Sameshima, and I. Toyoda
Experimental Investigation of a Selective WPT System Using Two Transmission Coils Sandwiching Reception Coils; 2015年09月 発表情報; Rec. 2015 Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu, 07-2A-02 著者; A. Yoshida, E. Nishiyama, and I. Toyoda
Theoretical Approach of a Beam Tracking Antenna Using Magic-T; 2015年09月 発表情報; Proc. 2015 IEICE Society Conf., B-1-50 著者; R. Rashid, E. Nishiyama, and I. Toyoda
Basic Concept of an Active Array Antenna Integrated with a Gunn Oscillator; 2015年09月 発表情報; Rec. 2015 Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu, 07-2P-05 著者; Y. Furukawa, E. Nishiyama, and I. Toyoda
Discussion on Load Resistance of Differential Rectennas; 2015年09月 発表情報; Rec. 2015 Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu, 07-2P-04 著者; J. Takahashi, E. Nishiyama, and I. Toyoda
Basic Evaluation of a Second Harmonic Injection Locking Gunn Oscillator; 2015年09月 発表情報; Rec. 2015 Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu, 07-2A-07 著者; J. Harada, T. Tanaka, and I. Toyoda
Experimental Evaluation of a New Oscillator Array Using Push-Push Oscillators with High Connection Flexibility to Coupling Circuits; 2015年09月 発表情報; Rec. 2015 Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu, 07-2A-06 著者; N. Miyauchi, T. Tanaka, and I. Toyoda
Experimental Examination of Resonator Locations in a Doubly Symmetric Selective WPT System; 2015年09月 発表情報; Rec. 2015 Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu, 07-2A-03 著者; Y. Fukushima, E. Nishiyama, and I. Toyoda
Basic Study of a Beam Tracking Antenna Using a Planar Magic-T; 2015年08月 発表情報; 電子情報通信学会 短距離無線通信研究会,SRW2015-11 著者; R. Rashid, E. Nishiyama, and I. Toyoda
Experimental Study of an Improved Mono-Pulse DOA Estimation Antenna by Integrating Microwave Circuits; 2015年08月 発表情報; 2015 Thailand-Japan Microwave (TJMW2015), FR2-06 著者; E. Nishiyama, R. Tanaka, and I. Toyoda
Basic Evaluation of a Positive Feedback Type Push-Push Oscillator Array Using Injection Locking Technology; 2015年08月 発表情報; 2015 Vietnam-Japan Microwave (VJMW2015), MO2-1 著者; H. Umezaki, T. Tanaka, and I. Toyoda
A Planar Magic-T Employing a Slot-Line T Junction and Its Performance Improvement Using an Impedance Transformer; 2015年08月 発表情報; 2015 Vietnam-Japan Microwave (VJMW2015), MO2-5 著者; Y. Tanaka, T. Tanaka, and I. Toyoda
A Push-Push Oscillator Array Using Mutual Phase Synchronization and Injection Locking; 2015年08月 発表情報; 2015 Vietnam-Japan Microwave (VJMW2015), TU3-3 著者; T. Tanaka, T. Sameshima, N. Miyauchi, and I. Toyoda
Double Balanced Multiplier Integrated Circular Polarization Switchable Microstrip Antenna; 2015年07月 発表情報; 2015 IEEE AP-S Symp. on Antennas and Propag. and URSI CNC/USNC Joint Mtg. Dig. (AP-S/URSI 2015), WEP-A1.5A.9 著者; E. Nishiyama, A. Matsuo, and I. Toyoda
A Differential Rectenna with Matching Shorted Stubs; 2015年06月 発表情報; Proc. 2015 IEEE 4th Asia-Pacific Conf. on Antennas and Propag. (APCAP2015), F1B-2 著者; J. Takahashi, E. Nishiyama, and I. Toyoda
Design of an X-Band Microstrip Array Antenna for Circular Polarization; 2014年12月 発表情報; 8th Int’l Conf. on Electrical and Computer Eng. (ICECE2014), 186 著者; M. A. Rahman, Q. D. Hossain, M. A. Hossain, E. Nishiyama, and I. Toyoda
Performance Evaluation of a 5.8-GHz Current Aggregation Type Multi-polarization Rectenna; 2014年12月 発表情報; 2014 Int’l Symp. on Antennas and Propag. (ISAP2014), FR4D-03 著者; R. Nakashima, E. Nishiyama, and I. Toyoda
Estimation Error of a Mono-pulse DOA Estimation Antenna for Two Incident Waves; 2014年12月 発表情報; 2014 Int’l Symp. on Antennas and Propag. (ISAP2014), WE3A-06 著者; R. Tanaka, E. Nishiyama, and I. Toyoda
Design Method of Multiband RF Circuits Using Tunable Shorted Stubs; 2014年11月 発表情報; 2014 Thailand-Japan Microwave (TJMW2014), FR-3 著者; I. Toyoda, J. Hirata, and T. Tanaka
A Mutual Phase Synchronization Type Push-Push Oscillator Array Using Simple Coupling Circuit; 2014年11月 発表情報; Proc. Asia-Pacific Microwave Conf. (APMC2014), 1043-1045 著者; T. Sameshima, T. Tanaka, and I. Toyoda
Differential Rectenna Arrays; 2014年11月 発表情報; Proc. 10th Asia-Pacific Eng. Res. Forum on Microwaves and Electromagnetic Theory (APMET2014), 84-89 著者; E. Nishiyama and I. Toyoda
Advanced Planar Antennas Integrated with Microwave Circuits for RF Signal Processing Applications; 2014年11月 発表情報; Proc. 10th Asia-Pacific Eng. Res. Forum on Microwaves and Electromagnetic Theory (APMET2014), 111-115 著者; I. Toyoda and E. Nishiyama
Design of a Dual Circular Polarization Microstrip Patch Array Antenna; 2014年10月 発表情報; The 9th Int’l Forum on Strategic Technology 2014 (IFOST2014), S1-P103 著者; M. A. Rahman, Q. D. Hossain, M. A. Hossain, M. M. Haque, E. Nishiyama, and I. Toyoda
Basic Evaluation of a 5.8-GHz Current Aggregation Type Multi-Polarization Rectenna; 2014年09月 発表情報; The 67th Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu, 13-1A-01 著者; R. Nakashima, E. Nishiyama, and I. Toyoda
Prototype Evaluation of a Tunable Shorted Stub Employing a Shunt Switch for Multiband RF Circuit Design; 2014年09月 発表情報; The 67th Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu, 13-1A-03 著者; J. Hirata, T. Tanaka, and I. Toyoda
Basic Characteristics of a Selective Wireless Power Transfer System Using 4 Coils Aligned on a Line; 2014年09月 発表情報; The 67th Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu, 13-1A-05 著者; A. Yoshida, E. Nishiyama, and I. Toyoda
Basic Evaluation of a Gunn Oscillator Using a Slot Line Resonator; 2014年09月 発表情報; The 67th Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu, 13-1A-09 著者; J. Harada, T. Tanaka, and I. Toyoda
Characterization of a CRLH Slot Line for Both-Sided Microwave Circuits; 2014年09月 発表情報; The 67th Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu, 13-1P-02 著者; R. Teshima, T. Tanaka, and I. Toyoda
Proposal of a Positive Feedback Type Push-Push Oscillator Array Using Injection Locking Technology; 2014年09月 発表情報; The 67th Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu, 13-1P-04 著者; T. Umezaki, T. Tanaka, and I. Toyoda
A Study of Push-Push Oscillator Arrays Integrating a Reflection Type and Transmission Type Simple Coupling Circuit; 2014年09月 発表情報; The 67th Joint Conf. of Electrical, Electronics and Information Engineers in Kyushu, 13-1P-07 著者; T. Sameshima, T. Tanaka, and I. Toyoda
An Oscillator Array Using Push-Push Oscillators and Very Simple Coupling Circuits; 2014年07月 発表情報; Proc. 2014 16th Int’l Symp. on Antenna Technology and Applied Electromagnetics (ANTEM2014), 26 著者; T. Tanaka, T. Sameshima, M. Aikawa, and I. Toyoda
An Oscillator Array Using Positive Feedback Type Push-Push Oscillators and Directional Phase Shifters; 2014年07月 発表情報; Proc. 2014 16th Int’l Symp. on Antenna Technology and Applied Electromagnetics (ANTEM2014), 38 著者; T. Tanaka and I. Toyoda
A Mono-Pulse DOA Estimation Antenna Integrated with RF Amplifiers and Detection Circuits; 2014年07月 発表情報; 2014 Int’l Symp. Antennas and Propag. and USNC-URSI Radio Sci. Mtg. (2014 AP-S/USNC-URSI), 526.3 著者; R. Tanaka, E. Nishiyama, and I. Toyoda
Performance of 5.8-GHz Multi-Polarization Rectenna for Linearly/Circularly Polarized Wave Reception; 2014年05月 発表情報; IEEE Wireless Power Transfer Conf. (WPTC2014), P-Th-18, 208-211 著者; R. Nakashima, E. Nishiyama, and I. Toyoda
Basic Study on Orthogonally Excited Beam Steering Microstrip Array Antenna Using Variable Gain Amplifiers; 2014年05月 発表情報; 2014 Asian Workshop on Antenna and Propag. (AWAP2014) 著者; E.Nishiyama, T. Kondo, and I. Toyoda
Design of a Circular Polarization Switchable Microstrip Array Antenna Using Magic-T Bias Circuit; 2014年02月 発表情報; 2013 Int’l Conf. Electrical Info. and Comm. Tech. (EICT2013), D2E4-4 著者; M. D. Hossain, P. Chowdhury, Q. D. Hossain, E. Nishiyama, and I. Toyoda
Prototype Evaluation of a PSK Modulator/Demodulator for Space Modulation Systems; 2013年09月 発表情報; The 66th Joint Conf. of Electrical and Electronics Engineers in Kyushu, 03-1P-08 著者; S. Matsuyuki, E. Nishiyama, and I. Toyoda
Basic Concept of a Selective Wireless Power Transfer System Using Two Transmission Resonators with Phase Difference; 2013年09月 発表情報; The 66th Joint Conf. of Electrical and Electronics Engineers in Kyushu, 03-1P-07 著者; H. Kohara, E. Nishiyama, and I. Toyoda
Experimental Evaluation of 30-element Stacked Differential Rectenna Array; 2013年09月 発表情報; The 66th Joint Conf. of Electrical and Electronics Engineers in Kyushu, 03-1P-03 著者; T. Matsunaga, E. Nishiyama, and I. Toyoda
Performance Comparison between Multi-Polarization Rectenna and Two-Patch Differential Rectenna; 2013年09月 発表情報; The 66th Joint Conf. of Electrical and Electronics Engineers in Kyushu, 03-1P-02 著者; R. Nakashima, E. Nishiyama, and I. Toyoda
Study on Characteristic Impedance of Differencial Rectenna Unit; 2013年07月 発表情報; 2013 IEEE Int’l Symp. Antennas and Propag. and USNC-URSI Nat’l Radio Science Mtg. (2013 AP-S/USNC-URSI), 541.8 著者; E. Nishiyama, H. Otomaru, and I. Toyoda
A Band-Rejection Branch-Line Hybrid Using Unbalanced CRLH Transmission Lines; 2013年04月 発表情報; 6th Global Symp. on Millimeter-Waves 2013 (GSMM2013), T6-4 著者; A. Maeda, T. Tanaka, and I. Toyoda
Novel Phase Noise Reduction Method for Positive Feedback Type Push-Push Oscillator; 2013年04月 発表情報; 6th Global Symp. on Millimeter-Waves 2013 (GSMM2013), T4-5 著者; T. Tanaka, H. Hashiguchi, M. Aikawa, and I. Toyoda
5.8-GHz Multi-Polarization Rectenna Integrating Dual-Polarized Antennas; 2013年04月 発表情報; 6th Global Symp. on Millimeter-Waves 2013 (GSMM2013), T6-3 著者; I. Toyoda, R. Nakashima, and E. Nishiyama
A Ku Band Oscillator Array Using Positive Feedback Type Push-Push Oscillators; 2012年12月 発表情報; 2012 Asia-Pacific Microwave Conf. (APMC2012), 4C1-03 著者; T. Tanaka, K. Takata, M. Aikawa, and I. Toyoda
Orthogonal Linear Polarization Switchable Slot-Ring Array Antenna Using RF-MEMS Switch; 2012年12月 発表情報; 2012 Asia-Pacific Microwave Conf. (APMC2012), 3D5-03 著者; Y. Ushijima, E. Nishiyama, M. Aikawa, and I. Toyoda
Basic Characteristics of Selective Wireless Power Transfer System Based on Coupled Magnetic Resonances; 2012年12月 発表情報; 2012 Asia-Pacific Microwave Conf. (APMC2012), 2D3-12 著者; H. Kohara and I. Toyoda
Beam Steering Microstrip Array Antenna with Orthogonal Excitation; 2012年12月 発表情報; 2012 Asia-Pacific Microwave Conf. (APMC2012), 2A5-04 著者; T. Kondo, Y. Ushijima, E. Nishiyama, M. Aikawa, and I. Toyoda
Single Fed Orthogonal Linear Polarization Switchable Microstrip Planar Antenna; 2012年12月 発表情報; 15th Int’l Conf. on Computer and Information Technology (ICCIT 2012) 著者; M. K. Ghosh, M. A. Hossain, E. Nishiyama, and I. Toyoda
Direction of arrival estimating array antenna; 2012年10月 発表情報; 2012 Int. Symp. on Antennas and Propag., P0389 著者; H. Sakai, E. Nishiyama and I. Toyoda
Linear Polarization Switchable Microstrip Array Antenna using Magic-T Circuit; 2012年10月 発表情報; 2012 Int. Symp. on Antennas and Propag., P0342 著者; T. Onishi, Md. Hossain, E. Nishiyama and I. Toyoda
Orthogonal Linear Polarization Detection Slot-ring Antenna; 2012年10月 発表情報; 2012 Int. Symp. on Antennas and Propag., P0365 著者; Md. Hossain, E. Nishiyama and I. Toyoda
Polarization Agile Slot-Ring Array Antenna using Magic-T Circuit; 2012年10月 発表情報; 2012 Int. Symp. on Antennas and Propag., P0352 著者; Y. Ushijima, E. Nishiyama and I. Toyoda
Polarization Agile Micorostrip Array Antenna; 2012年10月 発表情報; APMET2012 著者; E. Nishiyama, Y. Ushijima, M. A. Hossain, T. Ohnishi, I. Toyoda, M. Aikawa
Experimental Evaluation of Selective Wireless Power Transfer System Based on Coupled Magnetic Resonances; 2012年09月 発表情報; The 65th Joint Conf. of Electrical and Electronics Engineers in Kyushu, 02-1P-03 著者; H. Kohara and I. Toyoda
Novel Configuration of RF-DC Converter for High Efficiency Rectenna; 2012年09月 発表情報; The 65th Joint Conf. of Electrical and Electronics Engineers in Kyushu, 02-1P-02 著者; T. Matsunaga, E. Nishiyama, and I. Toyoda
A Study of Space Modulation Transmission System; 2012年09月 発表情報; The 65th Joint Conf. of Electrical and Electronics Engineers in Kyushu, 02-1P-01 著者; S. Matsuyuki, Y. Ushijima, M. A. Hossain, E. Nishiyama, I. Toyoda, and M. Aikawa
Beam Steering Microstrip Array Antenna Using Orthogonal Excitation; 2012年08月 発表情報; PIERS2012 著者; Y. Ushijima, T. Kondo, E. Nishiyama, and I. Toyoda
Circular Polarization Switchable Single Layer Microstrip Array Antenna; 2012年07月 発表情報; 2012 IEEE Antennas and Propag. Society Intl. Symp. (APSURSI), 409.4 著者; Y. Ushijima, E. Nishiyama, I. Toyoda, and M. Aikawa
Differential Mode Rectenna Array; 2012年07月 発表情報; 2012 IEEE Antennas and Propag. Society Int’l. Symp. (APSURSI), 457.8 著者; T. Sakamoto, Y. Ushijima, E. Nishiyama, I. Toyoda, and M. Aikawa
Performance Analysis of Mobile Ad-hoc Network Routing Protocols; 2012年05月 発表情報; ICIEV12 著者; M.T. Arefin, M.T.I. Khan, and I. Toyoda
Linear Polarization Switchable Patch Array Antenna Using Magic-T and Orthogonal Feed; 2012年05月 発表情報; アンテナ・伝播研究会,AP2012-19 著者; M. A. Hossain, E. Nishiyama, and I. Toyoda
A reconfigurable circularly polarized microstrip antenna employing switchable short-end microstrip-line perturbations; 2019年11月 発表情報; 佐賀大学理工学部見学会 著者; H. W. Htun, E. Nishiyama, and I. Toyoda
Introduction to Advanced Antenna Technology for Next Generation Wireless Systems; 2022年06月 発表情報; CUET webinar 著者; I. Toyoda
Active Integrated Array Antenna for Next Generation Wireless Communication Systems − Challenge to Advanced Antenna Utilizing Spatial Parameter of Radio Wave; 2022年05月 発表情報; Int. Conf. Physics-2022 著者; I. Toyoda
[Keynote speech] Polarization Agile Active Integrated Array Antenna for Next Generation Wireless Systems; 2021年03月 発表情報; 2021 Int. Conf. Sust. Dev. in Tech. for 4th Ind. Rev. (ICSDTIR-2021), Virtual, Bangladesh, Mar. 2021. 著者; I. Toyoda
A Monopulse Beam Steering Circularly Polarized Microstrip Array Antenna Using Magic-Ts; 2020年09月 発表情報; 2020 IEEE Int’l Symp. Radio-Frequency Integration Technology (RFIT2020), TH4C-2, Hiroshima, Japan, Sep. 2020. 著者; E. Nishiyama, D. Iwamoto, and I. Toyoda
Polarization Agile Active Integrated Antenna and Its Application to Wireless Power Transfer; 2019年10月 発表情報; Proc. 2019 Asian Wireless Power Transfer Workshop (AWPT2019) 著者; I. Toyoda, E. Nishiyama, T. Tanaka
Rectenna Design Using Electromagnetic Field Simulation Including Nonlinear Devices (Invited); 2017年03月 発表情報; Proc. 2017 IEEE Int’l Conf. Computational Electromagnetics, pp. 130-132, 2B1.5 著者; I. Toyoda and E. Nishiyama
(Invited) Double Balanced Multiplier Integrated Polarization Agile Microstrip Antenna; 2016年10月 発表情報; Proc. 11th Asia-Pacific Engineering Research Forum on Microwaves and Electromagnetic Theory (APMET2016), pp. 38-42, Oct. 2016. 著者; E. Nishiyama, T. Ino, and I. Toyoda
(Invited) Advanced Planar Rectenna Technology; 2016年10月 発表情報; 著者; I. Toyoda and E. Nishiyama
(Invited) Double Balanced Multiplier Integrated Wideband Circular Polarization Switchable Microstrip Antenna; 2016年08月 発表情報; 2016 IEEE Int’l Symp. Radio-Frequency Integration Tech. (RFIT2016), Taipei, Taiwan, Aug. 2016. 著者; E. Nishiyama, T. Ino, and I. Toyoda
A Differential Rectenna and Its Flexibility; 2016年03月 発表情報; 2016 Int’l Workshop on Antenna Technology (iWAT2016), W3-1 著者; I. Toyoda and E. Nishiyama
[Invited Talk] Advanced Planar Rectenna -Expandability and Functionality of Rectenna-; 2014年11月 発表情報; 2014 Thailand-Japan Microwave (TJMW2014), TH3-1 著者; I. Toyoda and E. Nishiyama
Technology prospects of advanced planar antennas integrated with microwave circuits; 2014年10月 発表情報; The 9th Int’l Forum on Strategic Technology 2014 (IFOST2014) 著者; I. Toyoda