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IEICE Trans

Masataka OHIRA

Multimode Horn with Spherical Wavefront for Constant Beamwidth
Hiroyuki DEGUCHI Masataka OHIRA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2026/04/01
Vol. E109-C  No. 4  pp. 135-138
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
transmission equation, beamwidth, optimization, multimode horn antennas, 
 Summary | Full Text:PDF
Efficient Design Approach of Single-Layer Dual-Band Dual-Beam Reflectarray Antenna and Its Experimental Verification
Keita HAMADA Kosei INOUE Masataka OHIRA Hiroyuki DEGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2026/04/01
Vol. E109-C  No. 4  pp. 117-125
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
Category: 
Keyword: 
reflectarray, dual-band, dual-beam, 
 Summary | Full Text:PDF
Multimode Horn with Spherical Wavefront for Constant Beamwidth
Hiroyuki DEGUCHI Masataka OHIRA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2026/04/01
Vol. E109-C  No. 4  pp. 135-138
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
transmission equation, beamwidth, optimization, multimode horn antennas, 
 Summary | Full Text:PDF
Efficient Design Approach of Single-Layer Dual-Band Dual-Beam Reflectarray Antenna and Its Experimental Verification
Keita HAMADA Kosei INOUE Masataka OHIRA Hiroyuki DEGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2026/04/01
Vol. E109-C  No. 4  pp. 117-125
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
Category: 
Keyword: 
reflectarray, dual-band, dual-beam, 
 Summary | Full Text:PDF
Optimized Mode Coefficients of Multimode Horn with Square Aperture Achieving Constant Beamwidths for Multiband Use
Hiroyuki DEGUCHI Masataka OHIRA Mikio TSUJI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2025/04/01
Vol. E108-C  No. 4  pp. 201-205
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
horn antennas, quadratic programming, low cross-polarization, rectangular waveguide, optimization, 
 Summary | Full Text:PDF
Precise Design of an 11-Pole TM010 Mode Dielectric Resonator BPF with Novel Capacitive Coupling Structures
Fan LIU Zhewang MA Masataka OHIRA Dongchun QIAO Guosheng PU Masaru ICHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2024/11/01
Vol. E107-C  No. 11  pp. 472-478
Type of Manuscript:  Special Section PAPER (Special Section on Recent Advances in Simulation Techniques and Their Applications for Electronics)
Category: 
Keyword: 
bandpass filter, dielectric ring resonator, TM010 mode, cross-coupling, cascade triplets, transmission zero, precise design, 
 Summary | Full Text:PDF
FOREWORD
Masataka OHIRA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2023/11/01
Vol. E106-C  No. 11  pp. 623-624
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF
A 28 GHz Band Compact LTCC Filtering Antenna with Extracted-Pole Unit for Dual Polarization
Kaoru SUDO Ryo MIKASE Yoshinori TAGUCHI Koichi TAKIZAWA Yosuke SATO Kazushige SATO Hisao HAYAFUJI Masataka OHIRA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2023/11/01
Vol. E106-C  No. 11  pp. 635-642
Type of Manuscript:  INVITED PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
mobile communication, millimeter wave antennas, bandpass filters (BPFs), transmission zeros (TZs), 
 Summary | Full Text:PDF
Design of a Compact Triple-Mode Dielectric Resonator BPF with Wide Spurious-Free Performance
Fan LIU Zhewang MA Weihao ZHANG Masataka OHIRA Dongchun QIAO Guosheng PU Masaru ICHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2022/11/01
Vol. E105-C  No. 11  pp. 660-666
Type of Manuscript:  Special Section PAPER (Special Section on Recent Advances in Simulation Techniques and Their Applications for Electronics)
Category: 
Keyword: 
bandpass filter (BPF), dielectric resonator (DR), triple-mode, spurious performance, transmission zeros (TZs), 
 Summary | Full Text:PDF
Surrogate-Based EM Optimization Using Neural Networks for Microwave Filter Design
Masataka OHIRA Zhewang MA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2022/10/01
Vol. E105-C  No. 10  pp. 466-473
Type of Manuscript:  INVITED PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
microstrip filters, neural networks, surrogate models, electromagnetic optimization, 
 Summary | Full Text:PDF
A Fully Canonical Bandpass Filter Design Using Microstrip Transversal Resonator Array Configuration
Masataka OHIRA Toshiki KATO Zhewang MA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/10/01
Vol. E99-C  No. 10  pp. 1122-1129
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: 
Keyword: 
bandpass filters, transversal array filters, even mode, odd mode, transmission zeros, 
 Summary | Full Text:PDF
A New Design Formula of Coupling Coefficient between Antenna and Resonator for Efficient Design of Filtering Antenna
Masataka OHIRA Kazuma YAMANAKA Zhewang MA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/07/01
Vol. E99-C  No. 7  pp. 744-750
Type of Manuscript:  Special Section PAPER (Special Section on Recent Advances in Simulation Techniques and Their Applications for Electronics)
Category: 
Keyword: 
filtering antenna, radiation Q factor, coupling coefficient, input reflection response, 
 Summary | Full Text:PDF
A Compact Three-Mode H-Shaped Resonator Bandpass Filter Having High Passband Selectivity with Four Transmission Zeros and Wide Stopband Characteristic
Masataka OHIRA Zhewang MA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/10/01
Vol. E97-C  No. 10  pp. 957-964
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-wave Technologies)
Category: 
Keyword: 
Bandpass filters, multipath coupling topology, transmission zeros, three-mode resonators, 
 Summary | Full Text:PDF
Resonant-Mode Characteristics of a New Three-Mode Hybrid Microstrip/Slotline Resonator and Novel Realization of Compact Bandpass Filter with Four Transmission Zeros
Masataka OHIRA Zhewang MA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/07/01
Vol. E95-C  No. 7  pp. 1203-1210
Type of Manuscript:  Special Section PAPER (Special Section on Recent Trends of Microwave Systems and Their Fundamental Technologies)
Category: 
Keyword: 
bandpass filter, microstrip line, slotline, transmission zeros, three-mode resonators, source/load coupling, 
 Summary | Full Text:PDF
A Novel Feeding Structure to Generate Multiple Transmission Zeros for Miniature Waveguide Bandpass Filters Composed of Frequency-Selective Surfaces
Masataka OHIRA Zhewang MA Hiroyuki DEGUCHI Mikio TSUJI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/10/01
Vol. E94-C  No. 10  pp. 1586-1593
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: Passive Devices and Circuits
Keyword: 
waveguide filters, frequency-selective surfaces, bandpass filters, transmission zeros, coaxial probe, 
 Summary | Full Text:PDF
60-GHz-Band Switched-Beam Eight-Sector Antenna with SP8T Switch for 180 Azimuth Scan
Amane MIURA Masataka OHIRA Shoichi KITAZAWA Masazumi UEBA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/03/01
Vol. E93-B  No. 3  pp. 551-559
Type of Manuscript:  PAPER
Category: Devices/Circuits for Communications
Keyword: 
millimeter wave, wireless LAN, switched-beam antenna, multi-sector antenna, single-pole eight-throw switch, 
 Summary | Full Text:PDF
Multiple-Step Rectangular Horn with Two Orthogonal Sectoral Tapers for Elliptical Beam
Hirotsugu URATA Masataka OHIRA Hiroyuki DEGUCHI Mikio TSUJI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/02/01
Vol. E90-C  No. 2  pp. 217-223
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
Category: Aperture Antennas
Keyword: 
horn antennas, elliptical beam, optimization, mode-matching method, Marquardt method, 
 Summary | Full Text:PDF
Novel Dual-Resonant and Dual-Polarized Frequency Selective Surface Using Eight-Legged Element and Its Experimental Verification
Masataka OHIRA Hiroyuki DEGUCHI Mikio TSUJI Hiroshi SHIGESAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/12/01
Vol. E88-C  No. 12  pp. 2229-2235
Type of Manuscript:  Special Section PAPER (Special Section on Wireless Technologies and Computational Electromagnetics)
Category: EM Analysis
Keyword: 
frequency selective surface, multiband, broadband, resonances, 
 Summary | Full Text:PDF