Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4999276 | Silver halide photographic materials | Ken-ichi Kuwabara, Kunio Ishigaki | 1991-03-12 |
| 4677050 | Silver halide photographic element containing crosslinked copolymers | Shigeki Yokoyama, Naohiko Sugimoto, Takashi Naoi | 1987-06-30 |
| 4418141 | Photographic light-sensitive materials | Hideo Kawaguchi | 1983-11-29 |
| 4394441 | Photographic sensitive materials | Hideo Kawaguchi, Masaaki Takimoto, Yoshihiro Ono | 1983-07-19 |
| 4362812 | Photographic materials | Junji Minamizono, Shinzo Kishimoto, Shigeki Yokoyama | 1982-12-07 |
| 4330618 | Photographic light sensitive material | Junji Minamizono, Shinzo Kishimoto | 1982-05-18 |
| 4256249 | Photographing film conveying device | Takeshi Konno, Masaharu Inaba | 1981-03-17 |