Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874530 | Method for treating photographic processing waste solution | Kazuhiro Kobayashi, Shigeharu Koboshi, Nobutaka Goto, Naoki Takabayashi | 1989-10-17 |
| 4863837 | Method of processing light-sensitive silver halide color photographic material comprising combinations of two different sequestering agents and a sensitizing dye | Shigeharu Koboshi | 1989-09-05 |
| 4859575 | Method for processing of silver halide color photographic material with dialysis treatment | Shigeharu Koboshi | 1989-08-22 |
| 4855217 | Processing of color photographic material utilizing a stabilizing solution after fixing | Shigeharu Koboshi | 1989-08-08 |
| 4845015 | Image stabilizer for silver halide photographic material comprising water soluble bismuth compound | Shigeharu Koboshi | 1989-07-04 |
| 4839682 | Processing apparatus for disc films | Shigeharu Koboshi, Satoru Kuse, Nobutaka Goto | 1989-06-13 |
| 4797352 | Method of processing a silver halide photographic light-sensitive material | Shigeharu Koboshi | 1989-01-10 |