Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988613 | Silver halide color photographic material | Nobutaka Ohki, Satoshi Nagaoka, Kouichi Hanaki | 1991-01-29 |
| 4983507 | Silver halide color photographic materials | Osamu Takahashi, Masakazu Morigaki, Nobutaka Ohki, Nobuo Furutachi | 1991-01-08 |
| H851 | Silver halide color photographic material containing a magenta coupler | Masakazu Morigaki, Nobuo Seto | 1990-11-06 |
| 4939072 | Color photographs and process for making the same | Masakazu Morigaki, Nobuo Seto, Osamu Takahashi | 1990-07-03 |
| 4923783 | Silver halide photographic materials and method of processing the same | Hidetoshi Kobayashi | 1990-05-08 |
| 4851325 | Process for producing silver halide color photographic materials comprising a heterocyclic developing agent | Kiyoshi Morimoto | 1989-07-25 |
| 4801521 | Method for processing silver halide color photographic material with a color developer comprising a hydrazine derivative | Nobutaka Ohki, Nobuo Seto, Morio Yagihara, Kazuto Andoh, Takatoshi Ishikawa +1 more | 1989-01-31 |
| 4783394 | Color image forming process | Takeshi Hirose, Kiyoshi Nakazyo | 1988-11-08 |
| 4770987 | Silver halide color photographic materials containing an antisain agent and a magenta coupler in lipophilic fine particles | Osamu Takahashi, Masakazu Morigaki, Nobutaka Ohki, Tadahisa Sato | 1988-09-13 |
| 4704350 | Silver halide color photographic material | Masakazu Morigaki, Nobutaka Ohki, Osamu Takahashi | 1987-11-03 |