Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888272 | Method for preparing silver halide photographic emulsions | Seiichiro Kishida | 1989-12-19 |
| 4885704 | Electronic document filing apparatus with icon selection | Shiro Takagi, Koji Izawa | 1989-12-05 |
| 4814264 | Silver halide photographic material and method for preparation thereof | Seiichiro Kishida | 1989-03-21 |