Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839273 | Process for the development of silver halide photographic material | Minoru Yamada, Takashi Toyoda | 1989-06-13 |
| 4829330 | Automatic image developing apparatus for silver halide photographic photosensitive material | Minoru Yamada | 1989-05-09 |
| 4826757 | Process for processing silver halide photographic materials | Minoru Yamada | 1989-05-02 |