Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6735455 | Portable information terminal and power supply control method therefor | Syuji Yamaguchi | 2004-05-11 |
| 6728226 | Multicast message communicating method, multicast message communicating system, base station thereof, and mobile station thereof | — | 2004-04-27 |