Omarsson Kristjan Bjoern
Omarsson Kristjan Bjorn
Oniki Tetsuya
Onoda Michio
Onuki Keiichi
Oohata Satoru
Oonishi Toshinari
Oosugi Yasuhiro
Optimizer Limited
Osano Hisashi
Osawa Hideyuki
Oscar Herbert Wallin
Osendorf Richard J.
Oshima Yoshikazu
Oslapas Algis George
Ota Isamu
Ota Masahiro
Ota Tadaki
Otani Tadahiko
Otsuki Teruhiko