Issued Patents All Time
Showing 51–71 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| H789 | Method for processing a silver halide photographic material | Shinji Ueda, Seiji Ichijima, Hidetoshi Kobayashi | 1990-06-05 |
| 4886736 | Silver halide color photographic material | Koki Nakamura, Seiji Ichijima | 1989-12-12 |
| 4880726 | Method of forming a color image | Keisuke Shiba, Seiji Ichijima, Seiichi Taguchi | 1989-11-14 |
| 4865959 | Silver halide color photographic material containing a bleach accelerator releasing compound | Hidetoshi Kobayashi | 1989-09-12 |
| 4865962 | Photographic light-sensitive material and method of developing the same | Kazunori Hasebe, Masahiro Asami, Naoto Ohshima, Keisuke Shiba, Toshihiro Nishikawa +1 more | 1989-09-12 |
| 4842994 | Material comprising a novel bleach accelerator-releasing coupler | Seiji Ichijima | 1989-06-27 |
| 4812389 | Process for processing silver halide color photographic material containing DIR coupler having a group functioning as a development inhibitor | Seiji Ichijima, Shinzo Kishimoto | 1989-03-14 |
| 4791051 | Silver halide color photographic material comprising a polymeric magenta coupler and a phenolic cyan coupler | Tsumoru Hirano | 1988-12-13 |
| 4789624 | Silver halide color photographic light-sensitive material | Shigeo Hirano, Takehiko Ueda, Keiichi Adachi | 1988-12-06 |
| 4789626 | Method for processing silver halide color photographic materials containing sensitizing dyes and two-equivalent magenta polymer couplers | Shinzo Kishimoto, Tadashi Ikeda | 1988-12-06 |
| 4764454 | Color photographic material with color forming ligand compounds and a method of processing | Seiji Ichijima | 1988-08-16 |
| 4745048 | Silver halide color photographic material and method of processing the same using an improved desilvering accelerator | Shinzo Kishimoto, Noboru Sasaki | 1988-05-17 |
| 4668613 | Silver halide color photographic light-sensitive material | Morio Yagihara, Tsumoru Hirano, Tatsuya Yamamoto | 1987-05-26 |
| 4513079 | Silver halide color photographic materials | Kozo Aoki | 1985-04-23 |
| 4501898 | Photographic development inhibitor (1H- or 2H-) indazolyl hydroquinone derivatives | Shigeo Hirano | 1985-02-26 |
| 4500634 | Silver halide color photographic material | Morio Yagihara, Seigi Ichijima, Kimitoshi Nagao | 1985-02-19 |
| 4489155 | Silver halide color photographic materials with diffusible dye for improving graininess | Shigeo Hirano, Keiichi Adachi | 1984-12-18 |
| 4477563 | Silver halide color photographic light-sensitive material | Seiji Ichijima, Hidetoshi Kobayashi, Keiichi Adachi | 1984-10-16 |
| 4476219 | Silver halide color photographic material | Shigeo Hirano, Takehiko Ueda, Keiichi Adachi | 1984-10-09 |
| 4474874 | Color photographic light-sensitive material | Shigeo Hirano, Keiichi Adachi | 1984-10-02 |
| 4345024 | Photographic development inhibitor releasing compound | Shigeo Hirano | 1982-08-17 |