Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8139735 | IMS gateway systems and methods | Yigang Cai, Sheng-Chang Chen, Qinghong He, Ling Jiang, Ke Pei +3 more | 2012-03-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8139735 | IMS gateway systems and methods | Yigang Cai, Sheng-Chang Chen, Qinghong He, Ling Jiang, Ke Pei +3 more | 2012-03-20 |