Issued Patents All Time
Showing 76–89 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8837500 | Service data flow direction/redirection | Yigang Cai | 2014-09-16 |
| 8768388 | Method and apparatus for UE reachability subscription/notification to facilitate improved message delivery | Nigel Berry | 2014-07-01 |
| 8700034 | Querying a subscriber server for identities of multiple serving elements of user equipment (UE) | Yigang Cai | 2014-04-15 |
| 8619988 | Method and apparatus for virtual Wi-Fi service with authentication and accounting control | Yigang Cai | 2013-12-31 |
| 8554174 | Selective first delivery attempt (FDA) processing for text messages | Yigang Cai | 2013-10-08 |
| 8438231 | Telecommunication messaging through a social networking service | Yigang Cai | 2013-05-07 |
| 8391899 | Text message delivery to a mobile device in a wireless communication network | Yigang Cai | 2013-03-05 |
| 8375090 | Advertisement blocking in IMS networks | Yigang Cai | 2013-02-12 |
| 8347362 | Usage control services performed in an end user device | Yigang Cai | 2013-01-01 |
| 8223947 | Method and system for remote call forwarding set-up and modification | Ahmed Zaki | 2012-07-17 |
| 8195209 | Text messaging over an eHRPD network | Yigang Cai | 2012-06-05 |
| 8131266 | Short message service communication security | Yigang Cai | 2012-03-06 |
| 8019073 | Systems and methods for implementing split numbering plan area codes in an IMS network | Ahmed Zaki | 2011-09-13 |
| 7720474 | Method and apparatus for call delivery | Sudha Gouthama, Robin Jeffrey Thompson, Mark A. Ristich, Angelica T. Remoquillo, E-Ling Lou | 2010-05-18 |