Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4581313 | Photosensitive composition with polymer having diazonium salt in side chain | Toshiyuki Sekiya | 1986-04-08 |
| 4426445 | Silver halide photographic light-sensitive material | Mitunori Hirano, Yoshiro Kawashima, Tadashi Ogawa | 1984-01-17 |
| 4362812 | Photographic materials | Shinzo Kishimoto, Shigeki Yokoyama, Takayuki Inayama | 1982-12-07 |
| 4343894 | Photographic light-sensitive element with antistatic protective layer | Shinzo Kishimoto, Masakazu Yoneyama | 1982-08-10 |
| 4330618 | Photographic light sensitive material | Shinzo Kishimoto, Takayuki Inayama | 1982-05-18 |
| 4322494 | Photographic light-sensitive material | Yoshiro Kawashima, Shingo Ishimaru, Noriyuki Inoue | 1982-03-30 |
| 4291113 | Method for dispersing photographic additives | Masakazu Yoneyama, Jun Sasaki | 1981-09-22 |
| 4275146 | Photographic photosensitive materials | Masakazu Yoneyama, Shoichi Ino | 1981-06-23 |
| 4251626 | Silver halide photographic materials containing gelatin reactive antistatic agents | Masakazu Yoneyama, Shinzo Kishimoto | 1981-02-17 |