Ohtomo Seiji
Ohtsu Norio
Ohtsuga Hisao
Ohtsuka Ryochi
Ohtsuka Poly-Tech Co., Ltd.
Ohtsuki Fuyuhiko
Oike Kozo
Oinuma Sumio
Oita Shinji
Oiza Oset José Abel
Okahashi Toshio
Okamoto Hideshi
Okamoto Kelvin T.
Okamoto Reiko
Okamura Masao
Okazaki Takahiro
Okhai Abdul Aziz
Okuma Toshiyuki
Okumura Eitaro
Okumura Hiromichi