Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831405 | Auto-focus arithmetic device | Daisuke Hata, Susumu Iguchi, Yoshimi Ohno, Takayuki Hatase | 1989-05-16 |
| 4818921 | Apparatus for controlling a motor in a camera | Daisuke Hata, Susumu Iguchi, Yoshimi Ohno, Takayuki Hatase | 1989-04-04 |