The development of super high definition image storage system. - Tokumichi Murakami; Hideo Ohira; Okikazu Tanno; Ryuuta Suzuki; Minoru Wada; Taku Saito; Koji Ogura; Kohtaro Asai (ICASSP, 1992)

An investigation of permission probability control in reserved/random CDMA packet radio communications. - Kazuo Mori; Koji Ogura (PIMRC, 1997)