Issued Patents All Time
Showing 26–50 of 97 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667936 | Silver halide photographic material | Kohzaburoh Yamada, Hiroshi Takeuchi, Takashi Hoshimiya, Toshiaki Kubo | 1997-09-16 |
| 5541044 | Silver halide color photographic material | Mitsuru Yamamoto, Akira Ogawa, Kouichi Hanaki | 1996-07-30 |
| 5403704 | Silver halide color photographic material | Yasuhiro Yoshioka, Makoto Suzuki | 1995-04-04 |
| 5397689 | Silver halide photographic material | Nobutaka Ohki, Naoki Asanuma, Osamu Takahashi | 1995-03-14 |
| 5338658 | Silver halide photographic materials | — | 1994-08-16 |
| 5213942 | Silver halide color reversal photographic maerial having silver halide emulsions with different grain diameters | Naoyasu Deguchi, Yasuhiro Hayashi | 1993-05-25 |
| 5210012 | Silver halide color photographic material | Michio Ono, Kouichi Hanaki, Kei Sakanoue, Mitsuru Yamamoto | 1993-05-11 |
| 5156945 | Silver halide color photographic materials | Kazuhiko Matsumoto, Masakazu Morigaki, Satoshi Nagaoka | 1992-10-20 |
| 5142029 | Silver halide photographic material containing a compound with variable development restraining ability | Keiichi Adachi, Shingo Sato, Koki Nakamura, Morio Yagihara, Isamu Ito +2 more | 1992-08-25 |
| 5118593 | Method for color image formation | Kokichi Waki | 1992-06-02 |
| 5110719 | Process for preparing a direct positive photographic material | Sadanobu Shuto, Hatsumi Tanemura | 1992-05-05 |
| 5061614 | Silver halide emulsion, method of manufacturing the same, and color photographic light-sensitive material using the emulsion | Shunji Takada, Hideki Naito, Yuichi Ohashi, Seiji Yamashita, Shigeru Shibayama | 1991-10-29 |
| 5035993 | Silver halide photographic material | Ashita Murai, Seiji Suzuki | 1991-07-30 |
| 5030553 | Direct positive photographic photosensitive materials | Shigeru Kuwashima | 1991-07-09 |
| 4994358 | Direct positive color light-sensitive material | Naoyasu Deguchi | 1991-02-19 |
| 4987052 | Silver halide photographic material and method for forming superhigh contrast negative images using the same | Kazunobu Katoh, Yoshio Inagaki, Nobuaki Inoue | 1991-01-22 |
| 4981780 | Direct positive photographic light-sensitive material | Noriyuki Inoue | 1991-01-01 |
| 4968592 | Direct positive image forming method comprising developing with a combination of nucleating agents | Naoyasu Deguchi, Satoshi Nagaoka, Noriyuki Inoue | 1990-11-06 |
| 4968596 | Method for forming a direct positive image | Noriyuki Inoue, Tetsuro Kojima, Mitsura Yamamoto, Satoshi Nagaoka | 1990-11-06 |
| 4966836 | Direct positive photographic light-sensitive material | Noriyuki Inoue, Tetsuo Kojima, Mitsuru Yamamoto | 1990-10-30 |
| 4954427 | Process for the formation of direct positive images | Noriyuki Inoue, Tetsuro Kojima, Tatsuo Heki | 1990-09-04 |
| 4948712 | Direct positive photographic materials and a method of forming direct positive images | Noriyuki Inoue, Tatsuo Heki, Hidetoshi Kobayashi, Naoyasu Deguchi | 1990-08-14 |
| 4914002 | Silver halide photographic material | Nobuaki Inoue, Hisashi Okada, Kimitaka Kameoka, Tetsuo Yoshida, Morio Yagihara | 1990-04-03 |
| 4880729 | Method for forming direct positive image comprising developing with a combination of a nucleating agent and a hydrazine derivative | Tatsuo Heki, Noriyuki Inoue | 1989-11-14 |
| 4877723 | Silver halide photographic material comprising a specified nucleating agent | Noriyuki Inoue, Tatsuo Heki | 1989-10-31 |