Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4983502 | Heat developing photosensitive material | Keiji Ohbayashi, Tawara Komamura, Hidenobu Ohya | 1991-01-08 |
| 4868089 | Positive image forming method | Tatsuhiko Kobayashi, Ken Okauchi | 1989-09-19 |
| 4837141 | Thermally developable light-sensitive material containing a development restrainer compound | Junichi Kohno, Ken Okauchi, Masaru Iwagaki, Tawara Komamura | 1989-06-06 |
| 4762778 | Silver halide photographic light sensitive material | Katsumasa Yamazaki, Toshihiko Yagi, Kenji Michiue, Yoshiharu Mochizuki | 1988-08-09 |
| 4686176 | Multilayer multi-color photographic material | Toshihiko Yagi, Katsumasa Yamazaki, Kenji Michiue, Yoshiharu Mochizuki | 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, Yoshiharu Mochizuki | 1987-06-02 |
| 4639410 | Silver halide color photographic light sensitive-material | Yoshihara Mochizuki, Toshihiko Yagi, Katsumasa Yamazaki, Kenji Michiue | 1987-01-27 |
| 4576909 | Silver halide color photographic light-sensitive material | Ken Okauchi | 1986-03-18 |