A Novel Compact HTS Interdigital Bandpass Filter Using CPW Quarter-Wavelength Resonators. - Zhewang Ma; Tamio Kawaguchi; Yoshio Kobayashi; Daisuke Koizumi; Kei Satoh; Shoichi Narahashi (IEICE Trans. Electron., 2006)

Broadside Coupling High-Temperature Superconducting Dual-Band Bandpass Filter. - Yuta Takagi; Kei Satoh; Daisuke Koizumi; Shoichi Narahashi (IEICE Trans. Electron., 2013)

Tunable Resonator Employing Comb-shaped Transmission Line and Semiconductor Switches. - Kunihiro Kawai; Daisuke Koizumi; Hiroshi Okazaki; Shoichi Narahashi (IEICE Trans. Electron., 2014)

Memory Efficient Adversarial Attacks on Graphs: A Winning Solution for KDD Cup 2020. - Keiichi Ochiai; Takuya Chida; Keita Yokoyama; Daisuke Koizumi; Hiroaki Tanaka; Akihiro Kawana (ICMU, 2021)