Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5796685 | Digital servo circuit generating mirror detecting signal | Yasuyuki Suda | 1998-08-18 |
| 5703849 | Tracking servo correction control circuit | — | 1997-12-30 |
| 5682307 | Circuits and methods for controlling a tracking actuator of an optical disk player | Takeshi Sasaki | 1997-10-28 |
| 5623465 | Optical disk player with a digital servo-control circuit incorporating a time sharing multifunctional digital filter | Takeshi Sasaki | 1997-04-22 |
| 5590103 | Tracking servo circuit for an optical disc player | — | 1996-12-31 |
| 5475664 | Focus servo circuit apparatus with automatic bias adjustments | Kazutoshi Shimizume, Mamoru Akita, Shigeru Inohana | 1995-12-12 |
| 5325346 | Digital servo apparatus for optical disc player | Kiyomasa Hasegawa, Takeshi Sasaki | 1994-06-28 |