Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6026071 | Optical disk player | — | 2000-02-15 |
| 5910938 | Light signal detection circuit | — | 1999-06-08 |
| 5805558 | Light signal detection circuit with dual light detecting means and arrangement thereof | — | 1998-09-08 |
| 5764606 | Tracking control apparatus for a multi-layer optical disc and method therefor | Atsushi Fukumoto, Yoshiaki Kato | 1998-06-09 |
| 5550797 | Optical reproduction signal processing circuit for producing an RF signal and a servo signal with a high signal to noise ratio even though the RF signal component and the servo signal component partially overlap in frequency distribution | Shunji Yoshimura, Kyoko Suzuki | 1996-08-27 |