Ochi Yoshikazu
Ogawa Yasuji
Oh Hyun-hwa
Ohchi Yoshikazu
Ohkawara Hiroto
Ohnishi Naoyuki
Ohsaka Ichiro
Ohyoshi Masato
Oi Toshiharu
Okada Mitsumasa
Okamura Keisuke
Okawara Hiroto
Olympus Corporatiion
Olympus Imaging Corporation
Omata Kyoichi
Onozawa Kazutoshi
Onozawa Masaru
Onuki Kenji
Oono Hideharu
OPTEK Corporation