O'Sullivan Joseph K.
Oblon, Spivak, McClleland, Maier & Neustadt, P.C.
Odagiri Sinji
Oelmaier Reinhard
Ogoshi Takeshi
Ogura Makoto
Ogura Manabu
Oh Tae K.
Ohara Yoshihiko
Ohara Yoshikazu
Ohashi Yujii
Ohmi Kunihiko
Ohmori Masatake
Ohshita Hisayo
Ohta Yasumitsu
Ohtsuka Yuji
Ohue Terunobu
Oikawa Ken
Oka Junichi
Okabe Koji