Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11560413 | Modified cystic fibrosis transmembrane conductance regulator (CFTR) polypeptides with increased stability and uses thereof | John C. Kappes, Christie G. Brouillette, Ina L. Urbatsch | 2023-01-24 |
| 9344581 | VoIP client and call implementation method for VoIP client, and user terminal | Jianjun Zhu | 2016-05-17 |
| 9253820 | Method and system for implementing multimedia call | Jianjun Zhu | 2016-02-02 |
| 8130766 | System and method for implementing multimedia calls across a private network boundary | — | 2012-03-06 |
| 7756142 | Signaling agent realizing method based on media gateway control protocol | Kezhi Qiao, Gang Cao | 2010-07-13 |