Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839257 | Color diffusion transfer photographic film unit | Shigeru Nakamura, Keisuke Shiba | 1989-06-13 |
| 4469782 | Coating method for having simultaneous separate extrudable multiple coatings with laterally spaced separators | Mamoru Ishiwata | 1984-09-04 |
| 4358523 | Film units for photography of diffusive transfer process type | Mamoru Ishiwata | 1982-11-09 |
| 4340621 | Method for preventing formation of a heavy liquid layer on a web at a coating start position | Takeshi Matsumiya | 1982-07-20 |
| 4263870 | Coating process | Hiroki Saito, Toshiro Tahara, Akihiko Nagumo, Toshio Shibata, Kimio Yukawa | 1981-04-28 |