Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863841 | Silver halide color photographic material | Hidetoshi Kobayashi, Toshihiro Nishikawa, Koji Tamoto | 1989-09-05 |
| 4828974 | Photographic light-sensitive material containing gelatin hardener | Hiroshi Kawamoto | 1989-05-09 |