Yoshihiro Okumura was born in 1983.
Yoshihiro Murai was born in 1960.
Yoshihiro Nakao was born on 1972-06-25.
Yoshihiro Hamaguchi was born on 1926-06-23.
Yoshihiro Sato was born on 1981-01-25.
Okumura Rin is not from Black Rock Shooter, there's only some crossover fan drawings of it. Okumura Rin is the main character from another anime called Ao no Exorcist (Blue Exorcist).
Tenzo Okumura was born in 1944.
Takeshi Okumura was born in 1952.
Tsunao Okumura was born in 1903.
Okumura Masanobu was born in 1686.
Chiyo Okumura was born in 1947.
Shohaku Okumura was born on 1948-06-22.
Hatsune Okumura was born on 1990-10-11.
Shigeo Okumura was born on 1972-05-25.
Yoshihiro Yasuda was born in 1948.
Yoshihiro Hattori was born in 1975.
Yoshihiro Fukagawa was born in 1976.
Yoshihiro Kawakami was born in 1950.