Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4211835 | Light-sensitive silver halide photographic material and method of processing the same | Syunji Matsuo, Toshio Nagatani, Kazuo Takahashi, Takeshi Habu | 1980-07-08 |
| 4192682 | Process of forming a high-contrast silver image | Syunji Matsuo, Toshio Nagatani, Kazuo Takahashi, Takeshi Habu | 1980-03-11 |