Ohmori Hideyo
Ohno Keiichiro
Ohsato Hitoshi
Ohshima Iemitsu
Ohtsubo Hideki
Oizumi Fukuo
Okabe Katsuaki
Okabe Masanori
Okamoto Hisato
Okamura Katsumi
Okell Patrick R.
Okikawa Shinji
Okiyama Yoshiharu
Okuma Eiji
Okumiya Masataro
Okura Techno-Research Kabushiki Kaisha
Okuyama Gen
Onitsuka Shugo
Ono Hiroshi
Onozawa Teruo