Omstead Thomas R.
Ono Ken'ichi
Ooiwa Kiyoshi
Oonishi Takashi
Opplt Jan J.
Orban Zoltan
Oread Laboratories
Oros Richard G.
Orpin Timothy S.
OSAKA Titanium technologies Co., Ltd.
Osaka Vacuum Chemical Co., Ltd.
Osborne Norman
Oshima Yoshihiro
Osmotek Inc.
Otuka Sigeharu
Oyamada Takeshi