Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880723 | Photographic silver halide photosensitive material | Yoshiharu Yabuki | 1989-11-14 |
| 4880725 | Color image forming process utilizing substantially water-insoluble basic metal compounds and complexing compounds | Haruhiko Iwano | 1989-11-14 |
| 4876171 | Silver salt diffusion transfer with complexing compound | — | 1989-10-24 |
| 4839272 | Heat-developable photosensitive material | Hideki Ohmatsu | 1989-06-13 |
| 4820622 | Heat development image forming method | — | 1989-04-11 |
| 4801961 | Image forming apparatus | Hiroshi Hara | 1989-01-31 |