Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694380 | Disc player apparatus having a disc rotational speed controller | Kazutoshi Shimizume, Mamoru Akita | 1997-12-02 |
| 5636192 | Disc player apparatus having a signal processing circuit which produces a reproduction clock synchronism with a reproduced signal | Kazutoshi Shimizume, Mamoru Akita | 1997-06-03 |