Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11470528 | Technique for preparing user equipment mobility | Ralf Keller, Ann-Christine Sander | 2022-10-11 |
| 11445560 | Method of establishing a voice over internet protocol, VoIP, call between a calling user equipment, UE, and a called UE | Ralf Keller, Venkata Ramesh Balabhadruni, Jinyin Zhu | 2022-09-13 |
| 11323922 | Managing user equipment roaming status changes in a radio access network | Jerker Mattias Zetterlund, Andreas Anulf, Jan Dahl, Magnus Hallenstål, Ralf Keller +1 more | 2022-05-03 |