Placement and routing program for master-slice LSI's. - Ryotaro Kamikawai; Kuniaki Kishida; Akira Osawa; Isao Yasuda; Tsuneyo Chiba (DAC, 1976)

A critical path delay check system. - Ryotaro Kamikawai; Minoru Yamada; Tsuneyo Chiba; Kenichi Furumaya; Yoji Tsuchiya (DAC, 1981)

An effective delay analysis system for a large scale computer design. - Reiji Toyoshima; Yoshimitsu Takiguchi; Kazumi Matsumoto; Hidetomo Hongou; Mashiro Hashimoto; Ryotaro Kamikawai; Katsuhiko Takizawa (DAC, 1986)

High-frequency operation of quantum flux parametron (QFP) based shift registers and frequency prescalers. - Juan Casas; Ryotaro Kamikawai; Eiichi Goto (IEEE J. Solid State Circuits, 1992)

QFP wiring problem-introduction and analytical considerations. - Reiji Suda; Ryotaro Kamikawai; Yasuo Wada; Willy Hioe; Mutsumi Hosoya; Eiichi Goto (IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 1994)