Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6463410 | Audio signal processing apparatus | Shoji Ueno, Yoshiaki Tanaka | 2002-10-08 |
| 6393203 | Signal compressing apparatus | Shoji Ueno, Yoshiaki Tanaka | 2002-05-21 |
| 6381403 | Audio disk of improved data structure and reproduction apparatus thereof | Yoshiaki Tanaka, Shoji Ueno | 2002-04-30 |