Oguri Hideyo
Ohashi Syozo
Ohgane Takumi
Ohinata Mikio
Ohle Robert D.
Ohler Charles J.
Ohno Jiro
Oiler Willard E.
Oka Masaya
Okamoto Shinichiro
Okamoto Shozo
Okamoto Tatsuro
Okamura Co., Ltd.
Okerlin John
Okonowski Richard L.
Okumoto Takaharu
Olazabal, Jr. Frank H.
Oldson Russell K.
Oler Newell B.
Oliphant Peter A.