Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4647527 | Silver halide color photographic light-sensitive materials comprising combination of color-forming coupler and colored coupler | Shinpei Ikenoue, Seiji Ichijima | 1987-03-03 |
| 4340663 | Photographic film | Kyoichi Naruo | 1982-07-20 |
| 4198240 | Silver halide photographic emulsion | — | 1980-04-15 |