Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876564 | Drive device for photographic lens | Takashi Amikura, Masamichi Toyama, Kouichi Ueda, Susumu Kozuki | 1989-10-24 |
| 4871906 | Focus detecting device using correlation | Kouichi Ueda, Hirofumi Suda, Masamichi Toyama, Kunihiko Yamada | 1989-10-03 |