Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5161141 | Optical disk system having a stably driven servomechanism for a laser system for reading signal tracks | — | 1992-11-03 |
| 5122718 | Gain/phase compensation circuit for use in servo control system of optical disk device | — | 1992-06-16 |
| 4769613 | Digitalized amplitude detection circuit for analog input signal | Yasuharu Tomimitsu | 1988-09-06 |