Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6674734 | Scheme to relocate H. 323 gatekeeper during a call when endpoint changes its zone | Liangchi Hsu, Stefano Faccin, Rene Purnadi, Rajeev Koodli | 2004-01-06 |
| 6594276 | Apparatus and associated method for communicating multimedia information upon a communication link | — | 2003-07-15 |
| 6556820 | Mobility management for terminals with multiple subscriptions | Heikki Lindholm | 2003-04-29 |
| 6542931 | Using sparse feedback to increase bandwidth efficiency in high delay, low bandwidth environment | Haihong Zheng, Zhigang Liu, Christoph Clanton | 2003-04-01 |
| 6505044 | Indicator in the mobility management (MM) procedures to specify the procedure type executed in the core network (CN) entities | Juha Bäck, Heikki Einola, Tony Hulkkonen, Seppo Huotari, Lauri Lahtinen +3 more | 2003-01-07 |
| 6466585 | Apparatus and associated method for communicating multimedia information upon a communication link | — | 2002-10-15 |
| 6438370 | Location update method and inter core network entity handover method | Heikki Einola, Jaakko Rajaniemi | 2002-08-20 |
| 6300887 | Efficient handoff procedure for header compression | — | 2001-10-09 |
| 6230005 | Method and apparatus for providing overlay to support third generation cellular services | Liangchi Hsu, Atte Lansisalmi | 2001-05-08 |
| 6205128 | Enhanced handoff signaling for high speed data and multimedia | — | 2001-03-20 |