A Semi-Synchronous Circuit Design Method by Clock Tree Modification. - Seiichiro Ishijima; Tetsuaki Utsumi; Tomohiro Oto; Atsushi Takahashi 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002)

Realtime sonification of the center of gravity for skiing. - Shoichi Hasegawa; Seiichiro Ishijima; Fumihiro Kato; Hironori Mitake; Makoto Sato (AH, 2012)