Oakville Hong Kong Co., Limited
Ocean Optics, Inc.
Oceanit Test Systems, Inc.
Ogawa Tetsuro
Ogita Zen-ichi
Ohmachi Yuko
Ohsawa Masahiko
Okubo E. T.
Oomori Tooru
Oosta Gary
Optical Chemical Tech. Ltd.
ORE Research Institute
Orion-yhtyma Oyj
Osada Fusae
Oshlag David A.