Onodera Tsugio
Onogi Yukio
Onoue Shoji
Onoue Takashi
Onoue Yoshinori
Ooba Tsunetoshi
Ooi Boon-Teck
Ooki Norihiro
Ookuma Yasuyuki
Oominato Hideaki
Oono Yasuteru
Oose Katsuhiro
Ootomo Takatoshi
Ooya Hiroshi
Ooyama Kazunobu
Ooyama Masahito
Opal Kenneth E.
Openhydro Ip Limited
Oppama Industry Co. Ltd.
Oprins John A.e.