Issued Patents All Time
Showing 26–50 of 88 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5258270 | Silver halide color photographic material | Hiroo Takizawa, Yoshio Ishii | 1993-11-02 |
| H1248 | Silver halide color photographic materials | Kei Sakanoue | 1993-11-02 |
| 5250406 | Silver halide color photographic material | Mitsuru Yamamoto | 1993-10-05 |
| 5238790 | Silver halide photographic light-sensitive material and method of processing the same | Yoshio Shimura, Hideaki Naruse | 1993-08-24 |
| 5210011 | Silver halide photographic photosensitive material containing two types of cyan dye forming couplers | Jiro Tsukahara | 1993-05-11 |
| 5204211 | Image receiver element for use in silver salt diffusion transfer | Ikutaro Horie | 1993-04-20 |
| 5200303 | Method of forming a color image from silver halide photosensitive materials containing cyan coupler with high viscosity organic solvent and polymer | Osamu Takahashi, Yoshio Seoka, Tsumoru Ishii | 1993-04-06 |
| 5192651 | Silver halide color photographic photosensitive materials containing at least two types of cyan dye forming couplers | Jiro Tsukahara | 1993-03-09 |
| 5187055 | Silver halide color photographic material | Yasuhiro Shimada, Seiji Ichijima, Yoshio Ishii | 1993-02-16 |
| 5140020 | Derivative of dihydroxybenzamide and a pharmaceutical composition thereof | Hitoshi Takita, Sakuo Noda, Yutaka Mukaida, Kazuyoshi Inada, Mari Toji +4 more | 1992-08-18 |
| 5100771 | Silver halide color photographic material with water insoluble organic solvent soluble polymer | Keiji Mihayashi, Hirohiko Kato | 1992-03-31 |
| 5094938 | Silver halide color photographic material containing a novel cyan dye-forming coupler | Jiro Tsukahara, Shigeru Yamazaki | 1992-03-10 |
| 5019490 | Silver halide photographic materials | Osamu Takahashi | 1991-05-28 |
| 5017466 | Color-forming aminopyrimidine couplers and silver halide color photographic light-sensitive materials containing the coupler | Reiichi Ohi, Kei Sakanoue | 1991-05-21 |
| 4975359 | Photographic light-sensitive materials containing couplers that release diffusible dyes and DIR compounds | Noboru Sasaki, Kei Sakanoue, Seiji Ichijima, Keiichi Adachi | 1990-12-04 |
| 4959299 | Silver halide color photographic materials | Kei Sakanoue, Seiji Ichijima, Shinji Ueda | 1990-09-25 |
| 4957853 | Silver halide color photographic light-sensitive material containing cyan coupler and method for use thereof | Toshihiro Nishikawa | 1990-09-18 |
| 4948712 | Direct positive photographic materials and a method of forming direct positive images | Noriyuki Inoue, Tatsuo Heki, Naoyasu Deguchi, Shigeo Hirano | 1990-08-14 |
| H789 | Method for processing a silver halide photographic material | Shinji Ueda, Kei Sakanoue, Seiji Ichijima | 1990-06-05 |
| 4923783 | Silver halide photographic materials and method of processing the same | Hideaki Naruse | 1990-05-08 |
| 4910128 | Silver halide color photographic material | Takayoshi Kamio, Katsuyoshi Yamakawa, Isamu Itoh | 1990-03-20 |
| 4904579 | Silver halide color photogaphic material | Keiji Mihayashi | 1990-02-27 |
| 4900655 | Silver halide color photographic light-sensitive material | Kiyoshi Nakazyo, Takeshi Hirose, Genichi Hurusawa, Osamu Takahashi, Nobuo Furutachi | 1990-02-13 |
| 4874688 | Silver halide photographic materials comprising specific organic solvents | Takashi Ozawa | 1989-10-17 |
| 4865963 | Silver halide color photographic materials containing novel magenta coupler | Nobuo Furutachi, Tadahisa Sato, Seiki Sakanoue, Akio Mitsui, Minoru Sakai +5 more | 1989-09-12 |