Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7887998 | Silver halide photographic light-sensitive material | Kunio Ishigaki | 2011-02-15 |
| 7303851 | Silver halide photographic light-sensitive material | Kunio Ishigaki, Tokuju Oikawa | 2007-12-04 |
| 6818374 | Silver halide photographic light-sensitive materials and method for development of the same | Tokuju Oikawa, Tadashi Ito, Katsuyuki Watanabe, Yasutomo Kawanishi | 2004-11-16 |
| 6350562 | Concentrated fixing solution and method for processing silver halide photographic material using the same | Harumi Watanabe, Minoru Yamada, Hisashi Okada | 2002-02-26 |
| 6048675 | Method for processing silver halide photographic material | Kohzaburoh Yamada | 2000-04-11 |
| 6013423 | Developing solution for silver halide photographic material and method for processing silver halide photographic material by using the same | Kiyoshi Morimoto, Tetsuo Yoshida, Kunio Ishigaki | 2000-01-11 |
| 5798204 | Development processing method of ultrahigh-contrast black-and-white silver halide photographic material | Kouta Fukui, Nobuaki Inoue | 1998-08-25 |
| 5691108 | Method for developing silver halide photographic light-sensitive material | Kouta Fukui | 1997-11-25 |
| 5419997 | Method for processing silver halide photographic material | — | 1995-05-30 |
| 5385811 | Method for processing silver halide photographic materials | — | 1995-01-31 |
| 5356761 | Development of silver halide photosensitive material and developer | Kiyoshi Morimoto, Hiroshi Hayakawa, Takashi Toyoda | 1994-10-18 |
| 5200298 | Method of forming images | Yoshihiro Takagi, Senzo Sasaoka | 1993-04-06 |
| 5004670 | High-contrast development process for silver halide photographic material | Eiichi Okutsu, Morio Yagihara | 1991-04-02 |
| 4985348 | Process for photographic development processing | Masato Hirano, Morio Yagihara, Hisashi Okada | 1991-01-15 |
| 4965169 | Method for forming a high contrast negative image | Masato Hirano, Morio Yagihara, Hisashi Okada | 1990-10-23 |
| 4859567 | Method of forming high contrast negative images | Eiichi Okutsu | 1989-08-22 |
| 4833064 | Process for the formation of a high contrast negative image | Eiichi Okutsu, Morio Yagihara, Katsumi Hayashi | 1989-05-23 |
| 4740452 | Process for preparing negative images | Eiichi Okutsu | 1988-04-26 |
| 4668605 | Method for formation of high contrast negative images | Eiichi Okutsu | 1987-05-26 |
| 4600687 | Photographic light-sensitive material | Taku Nakamura, Masasi Ogawa, Kunio Ishigaki | 1986-07-15 |
| 4518687 | Silver halide color photographic light-sensitive material | Tsumoru Hirano, Makoto Umemoto | 1985-05-21 |
| 4495272 | Silver halide color photographic light-sensitive material | Morio Yagihara, Tsumoru Hirano, Makoto Umemoto | 1985-01-22 |