Issued Patents All Time
Showing 51–75 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4681838 | Silver halide photographic emulsion and process for production thereof | Tadao Shishido, Yoshiaki Suzuki | 1987-07-21 |
| 4678745 | Process for producing silver halide emulsion and silver halide photographic light-sensitive material containing the same | Sumito Yamada, Shigeharu Urabe | 1987-07-07 |
| 4665017 | Process for preparing silver halide emulsion and silver halide photographic light-sensitive material | Tadao Shishido, Yoshiaki Suzuki | 1987-05-12 |
| 4634660 | Development-processing method for silver halide photographic light-sensitive material | Koki Nakamura, Shoji Ishiguro | 1987-01-06 |
| 4631253 | Method for forming silver halide emulsion comprising forming silver halide grains in the presence of mesoionic 1,2,4-triazolium-3-thiolate compound | Koki Nakamura, Shoji Ishiguro | 1986-12-23 |
| 4607004 | Silver halide color photographic light-sensitive material | Shinpei Ikenoue, Haruhiko Iwano, Morio Yagihara | 1986-08-19 |
| 4604339 | Method of developing silver halide photographic light-sensitive material | Tadao Sugimoto, Hideo Ikeda, Koki Nakamura | 1986-08-05 |
| 4581322 | Image forming method | Shoji Ishiguro, Morio Yagihara, Yoshio Inagaki, Kanji Meguro | 1986-04-08 |
| 4568635 | Silver halide light-sensitive material | Hiroyuki Yamagami, Kazunori Hasebe, Naoyasu Deguchi, Koki Nakamura | 1986-02-04 |
| 4539291 | Direct positive silver halide photographic materials | Nobuaki Inoue, Koki Nakamura | 1985-09-03 |
| 4528264 | Silver halide photographic light-sensitive materials | Shoji Ishiguro, Yoshiharu Fuseya, Tetsuro Kojima | 1985-07-09 |
| 4521508 | Silver halide photographic light-sensitive materials | Tadao Sugimoto, Hideo Ikeda, Koki Nakamura | 1985-06-04 |
| 4520099 | Silver halide photographic light-sensitive materials | Yoshitaka Akimura, Koki Nakamura | 1985-05-28 |
| 4469783 | Silver halide photographic emulsions | Kenichi Kuwabara, Satoshi Kubota | 1984-09-04 |
| 4469784 | Silver halide emulsions | Tatsuo Heki | 1984-09-04 |
| 4452882 | Silver halide photographic materials and process of developing them | Yoshitaka Akimura, Eiichi Okutsu, Shigenori Moriuchi, Naomi Saeki, Taiji Hashimura | 1984-06-05 |
| 4419443 | Silver halide photographic light-sensitive material | Yoshiharu Fuseya, Shinpei Ikenoue | 1983-12-06 |
| 4418140 | Process for the development of color photographic light-sensitive material | Shoji Ishiguro, Tadao Shishido, Tatsuo Nishimura | 1983-11-29 |
| 4385108 | Method of forming negative dot images | Yoshihiro Takagi, Yoshitaka Akimura, Eiichi Okutsu | 1983-05-24 |
| 4377635 | Photographic light-sensitive material | Nobuaki Inoue, Yoshiharu Fuseya | 1983-03-22 |
| 4377634 | Method for forming high contrast photographic image | Shunji Takada, Yoshitaka Akimura, Yoshiharu Fuseya | 1983-03-22 |
| 4349623 | Silver halide photographic materials | Shinpei Ikenoue, Yoshiharu Fuseya | 1982-09-14 |
| 4334010 | Silver halide photographic light-sensitive element | Shoji Ishiguro, Tadao Shishido, Yoshiharu Fuseya, Teruaki Tsujikawa | 1982-06-08 |
| 4334014 | Silver halide photographic light-sensitive elements | Tadao Shishido, Shoji Ishiguro, Jisaburo Ueyanagi | 1982-06-08 |
| 4332878 | Photographic image-forming method | Yoshitaka Akimura, Shigeo Hirano, Eiichi Okutsu | 1982-06-01 |