Oka Motohiro
Oka Wataru
Okada Akihiko
Okada Tadao
Okada Takuji
Okahara Mitsuo
Okajima Harumi
Okajima Nariaki
Okamoto Masahiko
Okamoto Michiko
Okamura Akinobu
Okamura Kazuhiro
Okawahara Tsuneo
Okayama Hironao
Okayama Shirou
Okazaki Iwao
Oki Yuichi
Okita Tsutomu
Okita Yasuo
Okochi Naoki