Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847648 | Varifocal camera | Kunihisa Yamaguchi, Kohichi Nishi, Kosaku Sawabe | 1989-07-11 |
| 4831399 | Finder switching apparatus for camera | Kohichi Nishi, Kunihisa Yamaguchi | 1989-05-16 |