O'Neil Gregory R.
Ofner Hanspeter
Ogawa Kanehiro
Ogihara Kaichiro
Ogihara Teruhisa
Ogihara Technical Center Co., Ltd.
Ohara Kohki
Ohba Yasushi
Ohiraki Kenji
Ohmiya Shigeru
Ohno Yotaro
Oishibashi Hiroji
Okada Osamu
Okamoto Tetsuo
Okubo Yutaka
Okuda Haruji
Okumura Hayato
Omiya Shigeru
Oonuki Kazuo
Orinoco Iron, C.A.