Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6317394 | Optical pickup position control device | Terufumi Hino | 2001-11-13 |
| 6278202 | Power supply circuit and a disk drive device provided with the power supply circuit | Masahiro Sakagawa | 2001-08-21 |
| 6195319 | Optical pickup position control device | Terufumi Hino | 2001-02-27 |
| 4390834 | Digital volume control | — | 1983-06-28 |
| 4382158 | Tone control of the operational type | Keizo Okuno | 1983-05-03 |