Issued Patents 1989
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880729 | Method for forming direct positive image comprising developing with a combination of a nucleating agent and a hydrazine derivative | Noriyuki Inoue, Shigeo Hirano | 1989-11-14 |
| 4880727 | Direct positive photographic material | Noriyuki Inoue | 1989-11-14 |
| 4877723 | Silver halide photographic material comprising a specified nucleating agent | Shigeo Hirano, Noriyuki Inoue | 1989-10-31 |
| 4871653 | Process for forming direct-positive image | Noriyuki Inoue, Tetsuro Kojima | 1989-10-03 |
| 4863839 | Direct positive color image forming process | Noriyuki Inoue | 1989-09-05 |
| 4863845 | Internal latent image type direct positive silver halide emulsions and process for producing the same | Ashita Murai, Hiroyuki Mifune | 1989-09-05 |
| 4859579 | Silver halide photographic material | Shigeo Hirano, Tetsuro Kojima, Mitsuru Yamamoto, Noriyuki Inoue | 1989-08-22 |
| 4857445 | Direct positive photo-sensitive materials | Tetsuo Yoshida | 1989-08-15 |
| 4835091 | Process for forming a direct positive image | Noriyuki Inoue, Shigeo Hirano | 1989-05-30 |
| 4816290 | Process of forming solid granular film | Noriyuki Inoue | 1989-03-28 |
| 4801520 | Direct positive color light-sensitive material comprising a DIR coupler and a pyrazoloazole coupler, and a process for forming a direct positive image | Noriyuki Inoue | 1989-01-31 |