Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841325 | Automatic focusing device for camera | Kunihisa Hoshino, Ken Utagawa | 1989-06-20 |
| 4812868 | Detecting apparatus for focus in camera | Ken Utagawa | 1989-03-14 |
| 4804991 | Auto focusing light device | Kenji Ishizuki, Nobuyoshi Hagiuda, Norikazu Yokonuma | 1989-02-14 |
| 4796045 | Photo-taking lens assembly having an automatically and manually movable lens | Yoshiharu Shiokama, Hitoshi Imanari, Sachio Ohmori | 1989-01-03 |