Onuki Toru
Ooba Shigekazu
Ooga Tomonari
Oohashi Kazuyoshi
Oohora Syoichi
Ooi Heng Ee
Ookuma Toshiyuki
Ooniwa Naoyuki
Oono Manami
Oooka Nobuya
Oosaki Keiji
Ooshima Takao
Oosumi Kazuo
Oota Junichi
Oota Ken
Ootsuka Shinji
Ootuka Yuuzo
Orient Watch Company
Orii Takashi
Ornstein Jacob J.