Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |