Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5150344 | Tracking servo system | Hidehiro Ishii, Noriyoshi Takeya, Tatsuya Fukuda | 1992-09-22 |
| 5146443 | Servo apparatus for optical disk player having both open loop coarse gain control and closed loop fine gain control | Noriyoshi Takeya | 1992-09-08 |