Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9036622 | Media negotiation method for IP multimedia link | — | 2015-05-19 |
| 9032082 | Method and device configured for processing an SDP request in a media path optimization process | — | 2015-05-12 |
| 8948087 | Method and system for implementing domain selection during the terminated call | Ying Hu, Zhijun Li, Changle Zou, Zhihai Wang | 2015-02-03 |
| 8948743 | Method and system for implementing local call local switch | Quanjun Tao, Jing Li | 2015-02-03 |
| 8934454 | Method and system for switching circuit switch domain service to packet switch domain | — | 2015-01-13 |
| 8891388 | Path node determining method, media path establishing method, and signaling media gateway | — | 2014-11-18 |
| 8799475 | Realizing method of playing multimedia information during course of session ending | Yiwen Liu | 2014-08-05 |
| 8730916 | Method for realizing single radio voice call continuity and single radio voice call continuity system | — | 2014-05-20 |
| 8730917 | Method and system for realizing single radio voice call continuity | — | 2014-05-20 |
| 8670411 | Method for realizing single radio voice call continuity and single radio voice call continuity system | Zhenwu Hao, Quanjun Tao | 2014-03-11 |
| 8665793 | Method and system for implementing single radio voice call continuity | — | 2014-03-04 |
| 8560700 | IMS media codec negotiation method and system | — | 2013-10-15 |
| 8538441 | Method and system for implementing the local switch of the local call | Quanjun Tao, Jing Li | 2013-09-17 |
| 6098063 | Device and method for identifying causes of web breaks in a printing system on web manufacturing attributes | Did-Bun Wong, Robert B. Evans | 2000-08-01 |
| 6009421 | Device and method for decreasing web breaks in a printing system based on web tension ratios | Did-Bun Wong, Robert B. Evans | 1999-12-28 |
| 5764810 | Screenless conversion of continuous tone images with alterable dot spacing patterns | — | 1998-06-09 |
| 5335089 | Electronic high-fidelity screenless conversion system and method using a separable filter | Michael Rodriguez | 1994-08-02 |
| 5331430 | Electronic high-fidelity screenless conversion system | Michael Rodriguez | 1994-07-19 |
| 5031173 | Decoder for added asynchronous bit sequences | Robert T. Short, Craig K. Rushforth | 1991-07-09 |
| 4908836 | Method and apparatus for decoding multiple bit sequences that are transmitted simultaneously in a single channel | Craig K. Rushforth, Robert T. Short | 1990-03-13 |