Issued Patents 1989
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880730 | Silver halide light-sensitive material | Yoshisada Nakamura | 1989-11-14 |
| 4877720 | Silver halide photographic material | Shigeru Ohno, Sumito Yamada | 1989-10-31 |
| 4864024 | Leuco dyes | Toru Harada | 1989-09-05 |
| 4845018 | Image-forming process involving heating step | Hiroshi Kitaguchi, Masashi Takeuchi, Masaaki Tsukase, Masatoshi Kato | 1989-07-04 |
| 4839333 | Recording material containing leuco dye | Toru Harada, Naoki Saito | 1989-06-13 |
| 4837142 | Color light-sensitive material | Masashi Takeuchi, Takeshi Shibata | 1989-06-06 |
| 4835272 | Process for formation of base and light-sensitive material | Shunichi Ishikawa, Ken Kawata | 1989-05-30 |
| 4830957 | Color light-sensitive material | Masashi Takeuchi, Takeshi Shibata | 1989-05-16 |
| 4824759 | Method for forming an image | Hiroshi Kitaguchi, Masashi Takeuchi, Masaaki Tsukase, Masatoshi Kato | 1989-04-25 |
| 4803148 | Light-sensitive material containing silver halide, reducing agent and polymerizable compound | Toru Harada | 1989-02-07 |
| 4800148 | Light-sensitive material containing silver halide, reducing agent and polymerizable compound | Toru Harada | 1989-01-24 |