Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352567 | Method for processing silver halide color photographic material using composition having a bleaching ability | Hisashi Okada, Morio Yagihara | 1994-10-04 |
| 5350668 | Method for processing silver halide color photographic material containing tabular silver iodobromide grains using a processing solution having a bleaching ability containing an iron (III) complex salt | Akira Abe, Hiroyuki Seki, Hisashi Okada | 1994-09-27 |
| 5338649 | Photographic processing composition and bleaching or bleach-fixing method | Hisashi Okada, Ryo Suzuki, Yasuhiro Katsuoka, Hiroyuki Seki | 1994-08-16 |
| 5300408 | Method of bleaching or bleach-fixing a color silver halide photographic material | Hisashi Okada | 1994-04-05 |