Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689704 | Recording medium, recording/playback device which uses commands in character string form for audio system control | Katsuya Hori | 1997-11-18 |
| 5666347 | Optical disk and disk chucking mechanism | Katsuaki Tsurushima | 1997-09-09 |