Face Identification Performance Using Facial Expressions as Perturbation. - Minoru Nakayama; Takashi Kumakura (ICANN (1), 2005)

Comparison of 40GHz optical demultiplexers using SMZ switch and EA modulator in 160Gbit/s-500km OTDM transmission. - Toshihiko Hirooka; Takashi Kumakura; Kou Osawa; Masataka Nakazawa (IEICE Electron. Express, 2006)