Issued Patents All Time
Showing 26–50 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5424169 | Silver halide photographic light-sensitive material | Toshihide Ezoe, Kazunobu Katoh, Kazumi Nii, Takashi Hoshimiya | 1995-06-13 |
| 5418124 | Silver halide photographic emulsion and a photographic light-sensitive material | Yoichi Suga, Makoto Kikuchi, Morio Yagihara, Hiroshi Kawamoto | 1995-05-23 |
| 5389508 | Silver halide photographic light-sensitive material | Shunji Takada, Morio Yagihara, Hiroshi Kawamoto, Makoto Kikuchi | 1995-02-14 |
| 5340704 | Method for processing a silver halide photographic material | Toshihide Ezoe, Kazumi Nii | 1994-08-23 |
| 5328801 | Photographic material and method for forming an image | Shoji Yasuda, Kazunobu Katoh | 1994-07-12 |
| 5316890 | Silver halide photographic material | Kazumi Nii, Kazunobu Katoh | 1994-05-31 |
| 5286598 | Silver halide photographic material | Nobuaki Inoue, Minoru Sakai, Shigeru Ohno | 1994-02-15 |
| 5279919 | Silver halide photographic material | Kazumi Nii, Kazunobu Katoh | 1994-01-18 |
| 5278025 | Method for forming images | Kazunobu Katoh, Tetsuro Kojima | 1994-01-11 |
| 5275931 | Silver halide photographic material | Mitsuo Saitou, Tadashi Ikeda | 1994-01-04 |
| 5273859 | Silver halide photographic material and image forming method using that material | Kazunobu Katoh, Morio Yagihara | 1993-12-28 |
| 5258259 | Image forming method with redox development inhibitor | Nobuaki Inoue | 1993-11-02 |
| 5252438 | Silver halide photographic materials | Kazumi Nii, Kazunobu Katoh | 1993-10-12 |
| 5227284 | Silver halide photographic material | Tetunori Matushita, Yukio Karino, Morio Yagihara | 1993-07-13 |
| 5213959 | Silver halide photographic material | Mitsuo Saitou, Tadashi Ikeda | 1993-05-25 |
| 5204214 | Silver halide photographic material | Hiroshi Kawamoto, Kazuhiko Matsumoto, Kazunobu Katoh | 1993-04-20 |
| 5196293 | Silver halide photographic material | Kazunobu Katoh, Shoji Yasuda, Takashi Hoshimiya | 1993-03-23 |
| 5190846 | Silver halide photographic material | Morio Yagihara, Kazunobu Katoh | 1993-03-02 |
| 5187042 | Silver halide photographic material | Kazunobu Katoh, Hisashi Okada, Nobuaki Inoue, Toshiro Takahashi, Morio Yagihara +1 more | 1993-02-16 |
| 5147754 | Silver halide photographic material | Hisashi Okada, Morio Yagihara, Kazunobu Katoh | 1992-09-15 |
| 5145765 | Silver halide photographic material | Kazunobu Katoh | 1992-09-08 |
| 5134055 | Silver halide photographic materials | Hisashi Okada, Morio Yagihara, Kazunobu Katoh, Keiji Mihayashi | 1992-07-28 |
| 5124230 | Silver halide photographic material | Kazunobu Katoh, Morio Yagihara | 1992-06-23 |
| 5071736 | Silver halide photographic material | Shinpei Ikenoue, Seimi Satake | 1991-12-10 |
| 5061594 | High contrast silver halide material containing novel hydrazine nucleating agent | Kazunobu Katoh | 1991-10-29 |