Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881799 | Varifocal lens device | Yoshimi Ohno, Daisuke Hata | 1989-11-21 |
| 4861146 | Variable focal lens device | Yoshimi Ohno | 1989-08-29 |
| 4831405 | Auto-focus arithmetic device | Daisuke Hata, Susumu Iguchi, Yoshimi Ohno, Kazumasa Aoki | 1989-05-16 |
| 4825237 | Automatic focusing device for use in a camera | Yoshimi Ohno | 1989-04-25 |
| 4818921 | Apparatus for controlling a motor in a camera | Daisuke Hata, Susumu Iguchi, Yoshimi Ohno, Kazumasa Aoki | 1989-04-04 |