Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6418130 | Reuse of security associations for improving hand-over performance | Yi Cheng, Lars Bjorup, Martin Jakob Rinman | 2002-07-09 |
| 6370380 | Method for secure handover | Arne Norefors, Yi Cheng, Lorens Almehag | 2002-04-09 |