Issued Patents All Time
Showing 76–87 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4328302 | Lithographic silver halide photographic light-sensitive material | Tatsuo Nishimura, Yoshiharu Fuseya, Yukihide Urata, Tadao Shishido, Yasuo Kasama | 1982-05-04 |
| 4323643 | Silver halide photographic light-sensitive materials | Shigeo Hirano, Yoshitaka Akimura | 1982-04-06 |
| 4311781 | Highly-sensitive high-contrast photographic materials | Shunji Takada, Yoshitaka Akimura, Nobuo Sakai | 1982-01-19 |
| 4310622 | Photographic development process | Shinzaburo Onda, Eiichi Okutsu, Isamu Itoh | 1982-01-12 |
| 4276374 | Silver halide photographic emulsion with thioether sensitizer | Nobuaki Miyasaka, Yoshiharu Fuseya | 1981-06-30 |
| 4272614 | Silver halide photographic light-sensitive material | Shigeo Hirano | 1981-06-09 |
| 4272606 | Method of forming a high-contrast photographic image | Shunji Takada, Yoshitaka Akimura, Yoshiharu Fuseya | 1981-06-09 |
| 4243739 | Silver halide photographic light-sensitive material | Shunji Takada, Yoshitaka Akimura, Shigeo Hirano | 1981-01-06 |
| 4241164 | Highly-sensitive high-contrast photographic materials | Shunji Takada, Yoshitaka Akimura, Nobuo Sakai | 1980-12-23 |
| 4237214 | Process for forming contrasty image | Shunji Takada, Yoshitaka Akimura, Nobuyuki Tsujino | 1980-12-02 |
| 4224401 | Silver halide photographic emulsions and image forming process | Shunji Takada, Yoshitaka Akimura, Nobuyuki Tsujino | 1980-09-23 |
| 4221857 | Process for producing a high contrast photographic image | Eiichi Okutsu, Yoshitaka Akimura, Shunji Takada | 1980-09-09 |