Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6798760 | Radio communication system, method thereof, radio communication apparatus and method thereof | — | 2004-09-28 |
| 6788938 | Construction method of radio network system and radio transmission device | Shigeru Sugaya, Hidemasa Yoshida | 2004-09-07 |