Novel Dual-Resonant and Dual-Polarized Frequency Selective Surface Using Eight-Legged Element and Its Experimental Verification. - Masataka Ohira; Hiroyuki Deguchi 001; Mikio Tsuji; Hiroshi Shigesawa (IEICE Trans. Electron., 2005)

Multiple-Step Rectangular Horn with Two Orthogonal Sectoral Tapers for Elliptical Beam. - Hirotsugu Urata; Masataka Ohira; Hiroyuki Deguchi 001; Mikio Tsuji (IEICE Trans. Electron., 2007)

60-GHz-Band Switched-Beam Eight-Sector Antenna with SP8T Switch for 180° Azimuth Scan. - Amane Miura; Masataka Ohira; Shoichi Kitazawa; Masazumi Ueba (IEICE Trans. Commun., 2010)

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 001; Mikio Tsuji (IEICE Trans. Electron., 2011)

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 (IEICE Trans. Electron., 2012)

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 (IEICE Trans. Electron., 2014)

Accurate Schiffman-type section design approach for microstrip line Wilkinson power divider. - Xiaolong Wang 010; Masataka Ohira; Zhewang Ma (IEICE Electron. Express, 2016)

A Fully Canonical Bandpass Filter Design Using Microstrip Transversal Resonator Array Configuration. - Masataka Ohira; Toshiki Kato; Zhewang Ma (IEICE Trans. Electron., 2016)

A New Design Formula of Coupling Coefficient between Antenna and Resonator for Efficient Design of Filtering Antenna. - Masataka Ohira; Kazuma Yamanaka; Zhewang Ma (IEICE Trans. Electron., 2016)

A flexible two-section transmission-line transformer design approach for complex source and real load impedances. - Xiaolong Wang 010; Masataka Ohira; Zhewang Ma (IEICE Electron. Express, 2017)

Compact Dual-Band Differential Bandpass Filter Using Quadruple-Mode Stepped-Impedance Square Ring Loaded Resonators. - Baoping Ren; Haiwen Liu; Zhewang Ma; Masataka Ohira; Pin Wen; Xiaolong Wang 010; Xuehui Guan (IEEE Access, 2018)

Balanced tri-band bandpass filter using sext-mode stepped-impedance square ring loaded resonators. - Baoping Ren; Zhewang Ma; Haiwen Liu; Xuehui Guan; Pin Wen; Chuanyun Wang; Masataka Ohira (IEICE Electron. Express, 2018)

A miniaturized dual-band bandpass filter using composite resonators with flexible frequency ratio. - Pin Wen; Zhewang Ma; Haiwen Liu; Shuangshuang Zhu; Baoping Ren; Xiaolong Wang 010; Masataka Ohira (IEICE Electron. Express, 2018)

Individually controllable dual-band bandpass filter with multiple transmission zeros and wide stopband. - Pin Wen; Zhewang Ma; Haiwen Liu; Shuangshuang Zhu; Baoping Ren; Xuehui Guan; Masataka Ohira (IEICE Electron. Express, 2019)

Design of compact tri-band bandpass filter using stub-loaded quarter-wavelength SIRs. - Pin Wen; Zhewang Ma; Shuangshuang Zhu; Haiwen Liu; Baoping Ren; Xuehui Guan; Masataka Ohira (IEICE Electron. Express, 2019)

A novel compact wideband microstrip Wilkinson power divider. - Weihao Zhang; Zhewang Ma; Fan Liu; Masataka Ohira (IEICE Electron. Express, 2021)

Development of Robotic System without Wired Connections at Joints by Wireless Communication and Wireless Power Transfer. - Kazunobu Serizawa; Satoru Shimizu; Hiroo Sekiya; Masataka Ohira (PIMRC, 2022)

A novel 10MHz-4GHz Wilkinson power divider using lumped compensation elements. - Zhewang Ma; Weihao Zhang; Fan Liu; Masataka Ohira (IEICE Electron. Express, 2022)

Design of wideband impedance transformers with different number and different mounting positions of the shunt stubs. - Weihao Zhang; Zhewang Ma; Fan Liu; Masataka Ohira; Xiaolong Wang 010 (IEICE Electron. Express, 2022)

Highly Selective and Controllable Superconducting Dual-Band Differential Filter With Attractive Common-Mode Rejection. - Baoping Ren; Xuehui Guan; Haiwen Liu; Zhewang Ma; Masataka Ohira (IEEE Trans. Circuits Syst. II Express Briefs, 2022)

Surrogate-Based EM Optimization Using Neural Networks for Microwave Filter Design. - Masataka Ohira; Zhewang Ma (IEICE Trans. Electron., 2022)

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 (IEICE Trans. Electron., 2022)

Foreword. - Masataka Ohira (IEICE Trans. Electron., 2023)

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 (IEICE Trans. Electron., 2023)

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 (IEICE Trans. Electron., 2024)

Accurate design of a novel high-performance 11-pole triple-mode dielectric resonator BPF with fully controllable multiple transmission zeros for mobile communication base stations. - Fan Liu; Zhewang Ma; Masataka Ohira; Dongchun Qiao; Guosheng Pu; Masaru Ichikawa (Sci. China Inf. Sci., 2025)

Optimized Mode Coefficients of Multimode Horn with Square Aperture Achieving Constant Beamwidths for Multiband Use. - Hiroyuki Deguchi 001; Masataka Ohira; Mikio Tsuji (IEICE Trans. Electron., 2025)