Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4247620 | Light-sensitive silver halide photographic material and method for processing the same | Toshio Nagatani, Kazuo Takahashi | 1981-01-27 |
| 4221864 | Light-sensitive silver halide photographic materials | Tateshi Iytaka, Syunji Matsuo, Toshio Nagatani, Kazuo Takahashi | 1980-09-09 |
| 4211835 | Light-sensitive silver halide photographic material and method of processing the same | Yoshio Nishina, Syunji Matsuo, Toshio Nagatani, Kazuo Takahashi | 1980-07-08 |
| 4192682 | Process of forming a high-contrast silver image | Yoshio Nishina, Syunji Matsuo, Toshio Nagatani, Kazuo Takahashi | 1980-03-11 |