Osamu Ishiwata (石渡治, Ishiwata Osamu, born May 16, 1959 in Kanagawa, Japan) is a Japanese manga artist. He won the 1989 Shogakukan Manga Award for shōnen for B.B.[1] The manga artist Yoshitomo Yoshimoto is his younger brother.
Works
Osamu Ishiwata Masterpiece Collection (石渡治傑作集)
Juugatsu no Mangetsu ni Ichiban Chikai Doyoubi (10月の満月に一番近い土曜日)