Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5089370 | Light-sensitive material comprising light-sensitive layer provided on support | Shigehisa Tamagawa | 1992-02-18 |
| 4939063 | Light-sensitive material comprising light-sensitive layer provided on support comprising a coating layer containing a resin | Shigehisa Tamagawa | 1990-07-03 |
| 4913999 | Light-sensitive material comprising light-sensitive layer provided on support where layer has specified ph | Shigehisa Tamagawa | 1990-04-03 |
| 4902600 | Light-sensitive material comprising light-sensitive layer provided on support wherein the light-sensitive layer and support have specified pH values | Shigehisa Tamagawa | 1990-02-20 |
| 4876170 | Light-sensitive material comprising light-sensitive layer containing microcapsules provided on specific paper support | Shigehisa Tamagawa, Tetsuro Fuchizawa | 1989-10-24 |
| 4871642 | Light-sensitive material comprising light-sensitive layer provided on a support comprising a water resistant coating layer | Shigehisa Tamagawa | 1989-10-03 |
| 4871643 | Image-forming method employing light-sensitive material and image-receiving material comprising microcapsules and specified paper support | Shigehisa Tamagawa | 1989-10-03 |
| 4865941 | Image-forming method employing light-sensitive material having a specified paper support | Shigehisa Tamagawa | 1989-09-12 |
| 4861696 | Light-sensitive material comprising light-sensitive layer provided on support having low air permeability | Shigehisa Tamagawa | 1989-08-29 |
| 4814252 | Light-sensitive material comprising light-sensitive layer provided on a paper support having a smooth surface on both sides | Shigehisa Tamagawa | 1989-03-21 |
| 4474872 | Method for producing photographic emulsion | Hiroshi Onishi, Kazutoshi Inada, Nobuaki Miyasaka, Naoyasu Deguchi | 1984-10-02 |