Issued Patents All Time
Showing 51–58 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5077180 | Method for processing silver halide color photographic material | Takatoshi Ishikawa | 1991-12-31 |
| 5070003 | Method for processing silver halide color photographic material | Hideaki Naruse | 1991-12-03 |
| 5066571 | Method for processing a silver halide color photosensitive material | Takatoshi Ishikawa | 1991-11-19 |
| 5019850 | Photographic developing apparatus | Takatoshi Ishikawa, Shigemi Saito, Yoshihiro Fujita | 1991-05-28 |
| 5004675 | Method for processing a silver halide photosensitive material for color photography | Hiroyuki Yoneyama, Osamu Takahashi, Takatoshi Ishikawa | 1991-04-02 |
| 4965175 | Method for processing a silver halide photosensitive material for color photography | Hiroshi Fujimoto | 1990-10-23 |
| 4937608 | Photographic processing apparatus | Takatoshi Ishikawa, Shigemi Saito, Yoshihiro Fujita | 1990-06-26 |
| 4421539 | Method of producing rod-shaped base material for optical transmission fiber | Tadao Edahiro, Kunio Ogura, Seiji Shibuya, Hiroshi Murata | 1983-12-20 |