Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873543 | Automatic focusing camera | Minoru Matsuzaki, Youji Watanabe | 1989-10-10 |
| 4853733 | Program rewritable camera | Youji Watanabe, Minoru Matsuzaki | 1989-08-01 |
| 4816858 | Automatic focusing cameras | Youji Watanabe, Minoru Matsuzaki | 1989-03-28 |