Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10158980 | Method, device and system for maintaining continuity of group communication service | Jianhua Liu, Yali Zhao | 2018-12-18 |
| 10057822 | Method and apparatus for handing over device | Jiamin Liu, Li Chen | 2018-08-21 |