Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5001690 | Tilt servo circuit for an optical disc playback device | Shingo Kamiya | 1991-03-19 |
| 4697259 | Disc automatically setting device of a disc player | — | 1987-09-29 |
| 4301485 | Tape speed switching device in cassette tape recorder-player | — | 1981-11-17 |
| 4263631 | Operating mechanisms of tape recorders | — | 1981-04-21 |