Issued Patents All Time
Showing 76–95 of 95 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8660091 | Handling call transfer in a communication network | Ralf Keller | 2014-02-25 |
| 8619626 | Method and apparatus for instance identifier based on a unique device identifier | Sean Kendall Schneyer, Alf Heidermark | 2013-12-31 |
| 8594334 | Key management method | Mattias Johansson, Karl Norrman | 2013-11-26 |
| 8578456 | Authentication in an IP multimedia subsystem network where an in-use line identifier (LID) does not match a registered LID | David Castellanos, John Michael Walker | 2013-11-05 |
| 8549615 | Method and apparatuses for end-to-edge media protection in an IMS system | Luis Barriga, Rolf Blom, Yi Cheng, Mats Näslund, Karl Norrman | 2013-10-01 |
| 8539564 | IP multimedia security | Mats Näslund, Rolf Blom, Yi Cheng, Karl Norrman | 2013-09-17 |
| 8499340 | IMS network identity management | Carolina Canales Valenzuela | 2013-07-30 |
| 8483182 | Single radio voice call continuity handover of calls with video media from a circuit switched access network | Ralf Keller | 2013-07-09 |
| 8477765 | Method and apparatus for correlating signalling in a communications network | Bo Astrom, Carl-Henrik Hagenfeldt, Alf Heidermark, Ralf Keller | 2013-07-02 |
| 8463264 | Early IMS security | Fredrik Alriksson | 2013-06-11 |
| 8374173 | Packet switched to circuit switched access handovers in an IMS architecture | Ivo Sedlacek, Jan Holm | 2013-02-12 |
| 8260957 | Group access to IP multimedia subsystem service | Hans-Erik Van Elburg, Patrick Timmers | 2012-09-04 |
| 8196194 | Method and network for securely delivering streaming data | Rolf Blom, Karl Norrman, Göran Selander, Mats Näslund | 2012-06-05 |
| 8180878 | Methods and apparatuses for terminating an IP multimedia subsystem service when IP address is no longer allocated to the user | David Castellanos, John Michael Walker | 2012-05-15 |
| 8175278 | Key management messages for secure broadcast | Mattias Johansson | 2012-05-08 |
| 8135386 | Method and apparatus for instance identifier based on a unique device identifier | Sean Kendall Schneyer, Alf Heidermark | 2012-03-13 |
| 7987366 | Key management for network elements | Rolf Blom, Mats Näslund, Elisabetta Carrara, Karl Norrman | 2011-07-26 |
| 7949135 | Key distribution in systems for selective access to information | Gunnar Kreitz | 2011-05-24 |
| 7917946 | Method and network for securely delivering streaming data | Rolf Blom, Karl Norrman, Göran Selander, Mats Näslund | 2011-03-29 |
| 7773598 | Arrangement and a method relating to flow of packets in communications systems | Henrik Basilier | 2010-08-10 |