O'Neil Nelson Katherine Alice
O'Neill Thomas P.
O.K. Machine and Tool Corp.
Obata Ikuko
Odawara Engineering KK
Odera Koji
Officine Meccanishe Pavesi & C. S.p.A.
Ogawa Shingo
Ogawa Yukihiko
Ogle Daniel James
Oh Young Hak
Ohba Osamu
Ohkubo Tatsuyuki
Ohmizu Seiji
Ohnishi Hideo
Ohnuma Toshio
Ohsumi Yoshihisa
Ohwaki Shigeru
Okawa Tomosuke
Okayasu Hiromasa