Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6198928 | Handover method, and a cellular radio system | Hannu Hakkinen, Seppo Hamalainen | 2001-03-06 |
| 6094576 | Connection establishment method and radio system | Hannu Hakkinen, Zhi-Chun Honkasalo, Anu Virtanen, Mikko Rinne | 2000-07-25 |
| 5815801 | Method for estimating the quality of a connection, and a receiver | Seppo Hamalainen | 1998-09-29 |