Onda Mamoru
Onishi Kazuhiko
Ono Taisuke
Onoda Naoki
Onodera Takao
Ooba Junichi
Oohashi Kazuya
Ookawa Shinichi
Ookubo Yoshio
Oonuma Junichi
Oota Tadaki
Ootake Makoto
Openshaw Martin J.
Opris Cornelius
Orbital Engine Company (Australia) Pty. Limited
Ordeg Co., Ltd.
Orlandini Igor
Ormand Lowell W.
Orrell William B.
Ortmann Jerome P.