Advanced Utilization of Microwave Resonant Fields and Its Applications to Push-Push Oscillators and Reconfigurable Antennas. - Masayoshi Aikawa; Eisuke Nishiyama; Takayuki Tanaka (IEICE Trans. Electron., 2006)

Broad-Band Circularly Polarized Ring-Slot Array Antenna for Simultaneous Use of the Orthogonal Polarizations. - Sen Feng; Eisuke Nishiyama; Masayoshi Aikawa (IEICE Trans. Electron., 2010)

Compact MIC Magic-T and the Integration with Planar Array Antenna. - Masayoshi Aikawa; Eisuke Nishiyama (IEICE Trans. Electron., 2012)

A Beam-Switchable Self-Oscillating Active Integrated Array Antenna Using Gunn Oscillator and Magic-T. - Maodudul Hasan; Eisuke Nishiyama; Ichihiko Toyoda (IEICE Trans. Commun., 2021)

An Electrically Reconfigurable Circularly-Polarized Planar Array Antenna With Built-In Bias-Isolation Mechanism. - Htet Wai Htun; Eisuke Nishiyama; Ichihiko Toyoda (IEEE Access, 2023)

A tri-state SPDT switch using shunt open-end stub resonator for X-band applications. - Maodudul Hasan; Eisuke Nishiyama; Ichihiko Toyoda (IEICE Electron. Express, 2023)

A Dual-Axis Wide-Beam Microstrip Patch Antenna Using Linear Parasitic Line Elements. - Maodudul Hasan; Eisuke Nishiyama; Ichihiko Toyoda (IEEE Access, 2024)

A Single-Layer Planar Array Antenna Using Circularly-Polarized Reconfigurable Elements for Conical-Beam Radiation. - Htet Wai Htun; Eisuke Nishiyama; Ichihiko Toyoda (IEEE Access, 2024)

Microstrip Patch Antenna Design Using a Four-Layer Feed Forward Artificial Neural Network Trained by Levenberg-Marquardt Algorithm. - Jitu Prakash Dhar; Maodudul Hasan; Eisuke Nishiyama; Ichihiko Toyoda (IEEE Access, 2025)