Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6995273 | 1H-pyrazolo[1,5-b]-1,2,4-triazole compound, coupler and silver halide color photographic light-sensitive material | Hideaki Satoh, Nobuo Seto, Hiroyuki Yoneyama, Yasuhiro Shimada | 2006-02-07 |
| 6773875 | Silver halide color photographic light-sensitive material, pyrrolotriazole compound, and dye-forming compound | Yasuaki Deguchi | 2004-08-10 |
| 6649771 | Silver halide color photographic light-sensitive material, pyrrolotriazole compound and dye-forming compound | Nobuo Seto, Hideaki Sato, Yasuaki Deguchi | 2003-11-18 |
| 6544724 | Coupler and silver halide color photographic light-sensitive material | Hideaki Satoh, Nobuo Seto, Hiroyuki Yoneyama, Yasuhiro Shimada | 2003-04-08 |
| 6235457 | Arylidene compound, azomethine compound and silver halide photographic material | Keizo Kimura, Masashi Ogiyama, Yoshiharu Yabuki, Toshio Kawagishi, Yuki Mizukawa | 2001-05-22 |
| 5985531 | Silver halide color photographic light-sensitive material containing a development inhibitor releasing compound | Hajime Nakagawa, Osamu Uchida, Hideaki Sato, Toshio Kawagishi | 1999-11-16 |
| 5858635 | Silver halide color photographic material | Masuji Motoki, Toshio Kawagishi, Naoto Matsuda | 1999-01-12 |
| 5667951 | Silver halide color photographic material containing photographic yellow dye-forming coupler | Hiroo Takizawa, Yasuhiro Yoshioka, Masakazu Morigaki | 1997-09-16 |
| 5656418 | Silver halide color photographic material | Masuji Motoki, Toshio Kawagishi, Naoto Matsuda | 1997-08-12 |
| 5605788 | Silver halide color photographic material | Toshio Kawagishi, Masuji Motoki | 1997-02-25 |
| 5236803 | Color light-sensitive material with hydroquinone reducing agent | Michio Ono, Hiroyuki Hirai | 1993-08-17 |
| 5206131 | Diffusion transfer type silver halide color photosensitive materials | Naoto Matsuda, Koki Nakamura, Hiroyuki Hirai | 1993-04-27 |
| 5202225 | Silver halide photographic materials with redox releasers containing nucleophilic groups | Takayuki Ito, Naoto Matsuda, Koki Nakamura, Hiroyuki Hirai | 1993-04-13 |
| 5139919 | Heat-developable color photographic materials with combination of electron transfer agent and precursor | Toshiki Taguchi, Ken Kawata, Hiroyuki Hirai | 1992-08-18 |
| 5017454 | Heat-developable color light-sensitive material | Ken Kawata, Toshiki Taguchi | 1991-05-21 |
| 4983493 | Dyes for heat sensitive transfer recording | Michio Ono, Seiiti Kubodera | 1991-01-08 |
| 4910187 | Heat-sensitive transfer material | Kozo Sato, Seiiti Kubodera | 1990-03-20 |
| 4892858 | Heat sensitive transfer materials | Kozo Sato | 1990-01-09 |
| 4873220 | Heat-sensitive transfer material | Seiiti Kubodera | 1989-10-10 |