Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5187042 | Silver halide photographic material | Kazunobu Katoh, Hisashi Okamura, Hisashi Okada, Toshiro Takahashi, Morio Yagihara +1 more | 1993-02-16 |
| 5108872 | Silver halide photographic material and method of forming images using same | Morio Yagihara, Naomi Saeki | 1992-04-28 |
| 5051336 | Negative type silver halide photographic material and method for forming image using the same | Senzo Sasaoka, Tetsuo Yoshida | 1991-09-24 |
| 5017463 | Development processing method for silver halide photographic materials | Katsumi Hayashi | 1991-05-21 |
| 5015561 | Method for forming a direct positive image | Kazunori Hayashi, Shingo Nishiyama | 1991-05-14 |
| 4999275 | Silver halide photographic light-sensitive material | Yasuo Kasama | 1991-03-12 |
| 4997743 | Silver halide photographic material and method for forming image using the same | Senzo Sasaoka, Eiichi Okutsu | 1991-03-05 |
| 4987052 | Silver halide photographic material and method for forming superhigh contrast negative images using the same | Shigeo Hirano, Kazunobu Katoh, Yoshio Inagaki | 1991-01-22 |
| 4983509 | Silver halide photographic material | Tetsuo Yoshida | 1991-01-08 |
| 4978603 | Image forming process comprising developing fine grain silver halide emulsion with a hydroquinone developer | Morio Yagihara, Yoshihiro Takagi | 1990-12-18 |
| 4977062 | Silver halide photographic materials | Morio Yagihara, Hisashi Okada, Kazunobu Katoh | 1990-12-11 |
| 4957849 | Silver halide photographic material and image-forming method using the same | Senzo Sasaoka | 1990-09-18 |
| 4956257 | Silver halide photographic material and method for forming an image | — | 1990-09-11 |
| 4956263 | Silver halide photographic material containing a compound capable of releasing a dye | Kunio Ishigaki, Kazunobu Katoh, Hisashi Okada, Toshinao Ukai, Morio Yagihara +2 more | 1990-09-11 |
| 4920029 | Silver halide photographic material and method for forming super high contrast negative images therewith | Senzo Sasaoka, Yoshio Inagaki, Tetsuro Kojima, Morio Yagihara | 1990-04-24 |
| 4920034 | Silver halide photographic material and image forming method using the same | Senzo Sasaoka | 1990-04-24 |
| 4914002 | Silver halide photographic material | Hisashi Okada, Shigeo Hirano, Kimitaka Kameoka, Tetsuo Yoshida, Morio Yagihara | 1990-04-03 |
| 4914003 | Silver halide photographic material and process for the formation of image using same | Morio Yagihara | 1990-04-03 |
| 4873173 | Method of forming image providing a change in sensitivity by altering the pH of the developer | Senzo Sasaoka, Tetsuo Yoshida | 1989-10-10 |
| 4850238 | Shiftlever mechanism for an automatic transmission | — | 1989-07-25 |
| 4849319 | Silver halide photographic light-sensitive material and method of forming super-high contrast negative image using the photographic material | Senzo Sasaoka, Hiroshi Hayashi | 1989-07-18 |
| 4839259 | Silver halide photographic material and method for forming an image using the same | Senzo Sasaoka, Eiichi Okutsu | 1989-06-13 |
| 4824774 | Silver halide photographic material and method for forming an ultrahigh contrast negative image therewith | Senzo Sasaoka | 1989-04-25 |
| 4824764 | Silver halide photographic material | Yoshio Inagaki | 1989-04-25 |
| 4820625 | Direct positive silver halide photographic material | Naomi Saeki, Toshinao Ukai, Yuji Mihara | 1989-04-11 |