Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6493452 | Speaker unit | Hiroshi Koizumi, Hachishiro Kobayashi | 2002-12-10 |
| 6366625 | Control information assigning method, control method, transmitting method, receiving method, transmitter and receiver | Tomoya Yamaura, Kazuyuki Sakoda, Mitsuhiro Suzuki | 2002-04-02 |