Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5192651 | Silver halide color photographic photosensitive materials containing at least two types of cyan dye forming couplers | Hidetoshi Kobayashi | 1993-03-09 |
| 5183729 | Method for forming color image | Hideki Naito, Shigeki Yokoyama | 1993-02-02 |
| 5164289 | Dye forming coupler and silver halide color photographic material containing the same and method for forming color image | Yasuhiro Shimada, Yoshio Ishii, Makoto Suzuki, Koushin Matsuoka | 1992-11-17 |
| 5143824 | Silver halide color photographic material containing cyan dye-forming coupler | Katsuyoshi Yamakawa | 1992-09-01 |
| 5094938 | Silver halide color photographic material containing a novel cyan dye-forming coupler | Shigeru Yamazaki, Hidetoshi Kobayashi | 1992-03-10 |
| 5064751 | Method of processing a silver halide color photographic material and a color developer where the developer contains a hydrazine compound | Nobutaka Ohki, Kazuto Andoh, Hideaki Naruse, Hiroshi Fujimoto, Morio Yagihara +1 more | 1991-11-12 |
| 4981965 | Process for formation of base | Yoshiharu Yabuki, Taku Nakamura | 1991-01-01 |
| 4970307 | Process for formation of base and light-sensitive material | Keiji Takeda, Kozo Sato | 1990-11-13 |
| 4952474 | Light-sensitive material containing silver halide, a disulfonamido reducing agent and polymerizable compound | Nobutaka Ohki, Makoto Yamada | 1990-08-28 |
| 4772531 | Light-sensitive material containing silver halide, reducing agent and polymerizable compound | Kozo Sato | 1988-09-20 |
| 4735884 | Light-sensitive material containing silver halide, reducing agent and polymerizable compound | Taku Nakamura | 1988-04-05 |