Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4329417 | Silver halide photographic material and method of forming high contrast silver images | Toshio Nagatani, Kazuo Takahashi | 1982-05-11 |
| 4318979 | Light-sensitive silver halide photographic material | Chika Honda | 1982-03-09 |