Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866688 | Composite tracking servo system for optical disc apparatus with track offset correction | Masatoshi Ohtake, Seiji Yonezawa, Toshiaki Tsuyoshi, Kazuo Ichino, Yukio Fukui +2 more | 1989-09-12 |
| 4855988 | Optical information recording and reproducing apparatus with amplitude limitation of a detected signal in a write operation mode | Toshiya Shinbayashi | 1989-08-08 |
| 4826207 | Compound suspension system | Hiroshi Yoshioka, Tsunehiko Fukatsu, Nobuharu Kuriki, Yasushi Aoki, Tsutomu Naitou +1 more | 1989-05-02 |