Okabe Takashi
Okamoto Naoyo
Okamoto Chemical Industry Corporation
Okuda Chozo
Okuda Ryoji
Olson Timothy W.
Onishi Shinsuke
Onishi Yasunobu
Onose Katsuhide
Osaki Haruyoshi
Oshima Yasuhito
Ota Toshiyuki
Otawa Shigeru
Ouano Augustus C.
Owens Robert A.
Ozaki Haruyoshi