Issued Patents All Time
Showing 26–50 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5393655 | Silver halide photographic material containing selenium or tellurium compound | Hirotomo Sasaki, Toru Fujimori | 1995-02-28 |
| 5342750 | Silver halide photographic material containing a tellurium compound | Hirotomo Sasaki, Toru Fujimori, Kimiyasu Morimura | 1994-08-30 |
| 5306613 | Silver halide photographic material containing selenium compound | Morio Yagihara, Hirotomo Sasaki, Shinji Kato | 1994-04-26 |
| 5273874 | Silver halide photographic material | Tetsuro Kojima | 1993-12-28 |
| 5266457 | Silver halide photographic material | Tetsuro Kojima | 1993-11-30 |
| 5244782 | Process for producing silver halide photographic emulsion | Shunji Takada | 1993-09-14 |
| 5242791 | Silver halide photographic light-sensitive material | Katsumi Hirano, Mikio Ihama | 1993-09-07 |
| 5238807 | Silver halide photographic material | Hirotomo Sasaki, Tetsuro Kojima, Mikio Ihama | 1993-08-24 |
| 5236821 | Silver halide photographic material which contains a selenium sensitizer | Morio Yagihara, Tetsuro Kojima, Hirotomo Sasaki | 1993-08-17 |
| 5221604 | Silver halide photographic material | Hiroyuki Asanuma | 1993-06-22 |
| 5215880 | Silver halide photographic light-sensitive material containing tellurium compound | Tetsuro Kojima, Hirotomo Sasaki, Morio Yagihara, Kimiyasu Morimura | 1993-06-01 |
| 5158892 | Selenium sensitizers for silver halide photographic materials | Hirotomo Sasaki, Tetunori Matushita, Mikio Ihama | 1992-10-27 |
| 5030552 | Method for preparation of photographic silver halide emulsions and photographic materials containing same | Nobuyuki Iwasaki, Sumito Yamada | 1991-07-09 |
| 5028522 | Silver halide photographic material | Tetsuro Kojima | 1991-07-02 |
| 5015567 | Method for producing silver halide photographic emulsion and silver halide photographic material | Shuzo Suga, Tadao Shishido, Yoshiro Kawashima | 1991-05-14 |
| 5004679 | Silver halide photographic material and process for the preparation thereof | Shigeharu Urabe | 1991-04-02 |
| 4968595 | Silver halide photographic emulsions | Sumito Yamada, Tadashi Ito, Keisuke Shiba, Toshihiro Nishikawa, Hideo Ikeda | 1990-11-06 |
| 4923794 | Silver halide photographic materials | Hirotomo Sasaki, Tadao Shishido | 1990-05-08 |
| 4914017 | Gold sensitized silver halide emulsion and photographic silver halide light-sensitive material using same | — | 1990-04-03 |
| 4863845 | Internal latent image type direct positive silver halide emulsions and process for producing the same | Ashita Murai, Tatsuo Heki | 1989-09-05 |
| 4845023 | Silver halide photographic light-sensitive material | — | 1989-07-04 |
| 4801524 | Process for preparing silver halide emulsion and photographic light-sensitive material containing said emulsion | Tadao Shishido, Yoshiaki Suzuki | 1989-01-31 |
| 4783398 | Photographic silver halide emulsion containing tabular grains of high chloride content | Shunji Takada, Tadashi Ikeda | 1988-11-08 |
| 4738918 | Process for processing silver halide photographic material | Shoji Ishiguro, Shigeo Hirano, Nobuyuki Iwasaki | 1988-04-19 |
| 4713321 | Process for preparing silver halide emulsion utilizing a photographically useful additive capable of being deactivated and a deactivating agent therefor and silver halide photographic material prepared by the process | Tadao Shishido, Yoshiaki Suzuki | 1987-12-15 |