Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880730 | Silver halide light-sensitive material | Kozo Sato | 1989-11-14 |
| 4842985 | Silver halide color photographic material | Mitsunori Ono, Koji Tamoto, Keiji Mihayashi, Seiji Ichijima, Isamu Itoh | 1989-06-27 |
| 4824773 | Silver halide color photographic material | Shingo Sato, Koji Tamoto | 1989-04-25 |