Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831405 | Auto-focus arithmetic device | Daisuke Hata, Yoshimi Ohno, Kazumasa Aoki, Takayuki Hatase | 1989-05-16 |
| 4818921 | Apparatus for controlling a motor in a camera | Daisuke Hata, Yoshimi Ohno, Kazumasa Aoki, Takayuki Hatase | 1989-04-04 |
| RE32850 | Film feeding system of a camera | Kunihiko Araki, Tadafumi Ohguro, Yoshimi Ono, Koichi Nishi, Yoshio Fukushima +2 more | 1989-01-31 |