Oguma Nobuhiro
Ohshima Masanori
Ohtakara Yuzo
Ojebuoboh Funsho K.
Okajima Yasuhiro
Okamoto Tatuya
Okano Masao
Okawa Nobuo
Okolelova Klavdia A.
Okubo Masao
Okuda Kanichi
Okugawa Michihide
Oldrieve Robert E.
Oliver Raymond Edward
Omae Takashi
Omofoma Matt
Oppenheim Rudolf
Osaka Alloying Works, Co., Ltd.
Oshiro Naoto
Osokin Viktor G.