Date of Birth: 
About Osamu Ishiwata
- Osamu Ishiwata (???, Ishiwata Osamu, born May 16, 1959 in Kanagawa, Japan) is a Japanese manga artist.
- He won the 1989 Shogakukan Manga Award for shonen for B.B.
- The manga artist Yoshitomo Yoshimoto is his younger brother.
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