Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343892 | Method and apparatus for silver recovery during photographic processing | Kazushige Uenaka, Shinichi Kashiwagi, Kazuo Shirasu, Yoshio Usui, Akira Abe +2 more | 1982-08-10 |