Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5124243 | Light-sensitive silver halide photographic material | Toshihiko Yagi | 1992-06-23 |
| 5002859 | Method of forming color photographic images | Satoru Kuse, Masao Ishikawa, Shigeharu Koboshi, Kenji Kumashiro | 1991-03-26 |
| 4766058 | Silver halide photographic material with a specified silver density and dry thickness | Takeshi Sampei, Toshifumi Iijima, Yoshitaka Yamada, Hiroshi Shimazaki, Kenji Kumashiro +2 more | 1988-08-23 |
| 4762778 | Silver halide photographic light sensitive material | Katsumasa Yamazaki, Toshihiko Yagi, Kenji Michiue, Sohei Goto | 1988-08-09 |
| 4686176 | Multilayer multi-color photographic material | Toshihiko Yagi, Katsumasa Yamazaki, Kenji Michiue, Sohei Goto | 1987-08-11 |
| 4670375 | Light-sensitive silver halide color photographic material having extended exposure range and improved graininess and stability to processing and time | Kenji Michiue, Toshihiko Yagi, Katsumasa Yamazaki, Sohei Goto | 1987-06-02 |