Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881799 | Varifocal lens device | Yoshimi Ohno, Takayuki Hatase | 1989-11-21 |
| 4831405 | Auto-focus arithmetic device | Susumu Iguchi, Yoshimi Ohno, Kazumasa Aoki, Takayuki Hatase | 1989-05-16 |
| 4818921 | Apparatus for controlling a motor in a camera | Susumu Iguchi, Yoshimi Ohno, Kazumasa Aoki, Takayuki Hatase | 1989-04-04 |