Issued Patents All Time
Showing 1–25 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5547825 | Silver halide color photographic material | Osamu Takahashi | 1996-08-20 |
| 5478704 | Method for forming color images | Masato Taniguchi, Mitsuru Yamamoto, Akimitsu Haijima | 1995-12-26 |
| 5464731 | Silver halide color photographic material | Naoki Asanuma, Osamu Takahashi | 1995-11-07 |
| 5427891 | Method for developing a silver halide photographic material | Masato Hirano, Nobuaki Inoue, Tetsuo Yamaguchi | 1995-06-27 |
| 5415991 | Stable, rapidly-developable silver halide photographic material | Akira Kase, Naoto Ohshima | 1995-05-16 |
| 5415988 | Silver halide color photographic light-sensitive material | Osamu Takahashi | 1995-05-16 |
| 5397689 | Silver halide photographic material | Naoki Asanuma, Osamu Takahashi, Shigeo Hirano | 1995-03-14 |
| 5380631 | Silver halide color photographic light-sensitive material | Yasushi Nozawa, Nobuo Seto, Masayoshi Toyoda | 1995-01-10 |
| 5356763 | Silver halide color photographic material | Osamu Takahashi | 1994-10-18 |
| 5278034 | Process for forming color image | Koichi Nakamura, Masato Taniguchi | 1994-01-11 |
| 5264331 | Color developing agent, processing liquid composition and process for forming color image | Masato Taniguchi, Koichi Nakamura | 1993-11-23 |
| 5200304 | Silver halide color photographic material | Hiroyuki Yoneyama | 1993-04-06 |
| 5176987 | Method for processing silver halide color photographic materials | Koichi Nakamura | 1993-01-05 |
| RE33964 | Method of processing silver halide color photographic material and photographic color developing composition | Takatoshi Ishikawa, Hiroshi Fujimoto, Morio Yagihara | 1992-06-16 |
| 5104774 | Image forming method | Hiroyuki Yoneyama | 1992-04-14 |
| 5064751 | Method of processing a silver halide color photographic material and a color developer where the developer contains a hydrazine compound | Kazuto Andoh, Hideaki Naruse, Hiroshi Fujimoto, Jiro Tsukahara, Morio Yagihara +1 more | 1991-11-12 |
| 5043254 | Image forming method | Hajime Nakagawa, Yasuhiro Yoshioka, Takatoshi Ishikawa, Genichi Furusawa | 1991-08-27 |
| 5041365 | Silver halide color photographic materials | Osamu Takahashi, Hideaki Naruse, Masakazu Morigaki, Nobuo Furutachi | 1991-08-20 |
| 5026634 | Color light-sensitive material | Michio Ono, Hiroyuki Hirai, Kouichi Hanaki, Koki Nakamura | 1991-06-25 |
| 5024924 | Method for processing silver halide color photographic materials | Hideaki Naruse, Osamu Takahashi, Michio Ono | 1991-06-18 |
| 4988613 | Silver halide color photographic material | Hideaki Naruse, Satoshi Nagaoka, Kouichi Hanaki | 1991-01-29 |
| 4983507 | Silver halide color photographic materials | Osamu Takahashi, Hideaki Naruse, Masakazu Morigaki, Nobuo Furutachi | 1991-01-08 |
| 4978606 | Color photographic material with water insoluble amido bond polymer | Keiji Mihayashi, Shigeru Nakamura, Hiroshi Fukuzawa | 1990-12-18 |
| 4956267 | Method for forming a direct positive color image | Shinji Ueda, Tatsuo Heki, Noriyuki Inoue, Takatoshi Ishikawa, Morio Yagihara +3 more | 1990-09-11 |
| 4952474 | Light-sensitive material containing silver halide, a disulfonamido reducing agent and polymerizable compound | Jiro Tsukahara, Makoto Yamada | 1990-08-28 |