Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819923 | Method for communication of neighbor cell information | — | 2004-11-16 |
| 6741858 | Method of changing communication channel in mobile system | Tapani Virtanen, Juha Bäck | 2004-05-25 |