Issued Patents All Time
Showing 76–86 of 86 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698365 | Heat development color photographic material | Koki Nakamura | 1997-12-16 |
| 5672466 | Method for forming an image and silver halide photographic light-sensitive material | Hisashi Okamura, Masaki Noro, Kazuhiko Matsumoto | 1997-09-30 |
| 5667945 | Color developing agent, silver halide photographic light-sensitive material and image forming method | Kiyoshi Takeuchi, Koki Nakamura, Koichi Nakamura, Toshiyuki Makuta | 1997-09-16 |
| 5472821 | Heat-developable diffusion transfer color photographic material | — | 1995-12-05 |
| 5194361 | Diffusion transfer color photosensitive material with quaternary ammonium mordant and counter ion | — | 1993-03-16 |
| 5139919 | Heat-developable color photographic materials with combination of electron transfer agent and precursor | Takeshi Nakamine, Ken Kawata, Hiroyuki Hirai | 1992-08-18 |
| 5079137 | Heat-developable color photographic light-sensitive material | Takayuki Ito | 1992-01-07 |
| 5066577 | Silver halide color photographic material | Koki Nakamura, Takayuki Ito, Masaaki Tsukase | 1991-11-19 |
| 5051348 | Heat-developable color light-sensitive material | Ken Kawata | 1991-09-24 |
| 5051349 | Heat developable color photosensitive material with saccharide | Hiroyuki Hirai | 1991-09-24 |
| 5017454 | Heat-developable color light-sensitive material | Takeshi Nakamine, Ken Kawata | 1991-05-21 |