Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5169749 | Photographic materials with couplers containing protected formyl groups | Eisaku Katoh, Shuichi Sugita | 1992-12-08 |
| 5104780 | Light-sensitive halide color photographic material containing non-diffusion coupler/1-phenyl-3-pyrazolidone derivative | Shuichi Sugita, Hidenobu Ohya | 1992-04-14 |
| 5100773 | Silver halide color photographic light-sensitive material containing amide type couplers | Atsushi Tomotake, Mayumi Tomotake, Fumio Ishii | 1992-03-31 |
| 5071737 | Silver halide photographic material | Hiroshi Kita, Yutaka Kaneko | 1991-12-10 |
| 5071739 | Silver halide color photographic light-sensitive material containing magenta coupler | Hidenobu Ohya | 1991-12-10 |
| 5011766 | Silver halide color photographic light-sensitive material | Hiroshi Kita, Shigeto Hirabayashi, Yutaka Kaneko | 1991-04-30 |
| 4994361 | Silver halide color photographic light-sensitive material | Atsushi Tomotake, Mayumi Tomotake, Fumio Ishii | 1991-02-19 |
| 4977073 | Silver halide light-sensitive color photographic material | Osamu Ishige, Toyoaki Masukawa, Shigeto Hirabayashi | 1990-12-11 |
| 4865961 | Silver halide color photographic light-sensitive material | Norio Miura, Satoshi Nakagawa, Toshihiko Kimura | 1989-09-12 |
| 4839264 | Silver halide photographic material | Yutaka Kaneko, Kenji Kadokura, Shinji Yoshimoto, Kosaku Masuda | 1989-06-13 |
| 4791052 | Silver halide photographic light-sensitive material | Noritaka Nakayama, Katsunori Katoh, Takako Tanaka, Satoshi Nakagawa, Kosaku Masuda | 1988-12-13 |
| 4774053 | Silver halide photographic light-sensitive material | Satoshi Nakagawa, Yasuhiko Kawashima, Kosaku Masuda | 1988-09-27 |
| 4438193 | Silver halide photosensitive color photographic material | Morito Uemura, Kenichi Kishi, Satoshi Nakagawa | 1984-03-20 |
| 4433046 | Silver halide photographic material | Morito Uemura, Kenichi Kishi, Satoshi Nakagawa | 1984-02-21 |
| 4421845 | Silver halide photographic light-sensitive material | Morito Uemura, Kenichi Kishi, Satoshi Nakagawa, Hiroshi Sugita | 1983-12-20 |