Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336450 | Focus detecting apparatus | Ken Utagawa, Akira Ogasawara, Hiroshi Shirasu | 1982-06-22 |
| 4319238 | Camera display device | Akira Ogasawara, Ken Utagawa, Hiroshi Shirasu | 1982-03-09 |