Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839682 | Processing apparatus for disc films | Shigeharu Koboshi, Masayuki Kurematsu, Nobutaka Goto | 1989-06-13 |
| 4837139 | Method for processing a light-sensitive silver halide color photographic material using at least one silver halide emulsion layer and at least one of a cyan coupler and magneta coupler | Kazuhiro Kobayashi, Shigeharu Koboshi, Masao Ishikawa | 1989-06-06 |
| 4828970 | Method for processing a light-sensitive silver halide color photographic material by controlling the pH value of the bleach fixing solution | Shigeharu Koboshi | 1989-05-09 |
| 4797351 | Method for processing silver halide color photographic materials | Masao Ishikawa, Shigeharu Koboshi, Kazuyoshi Miyaoka | 1989-01-10 |