Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10382943 | Data service processing method, apparatus, and system in roaming scenario | Yijun Yu | 2019-08-13 |
| 9992109 | Data transmission method, apparatus and system | Frank Mademann, Yanping Zhang, Wanqiang Zhang | 2018-06-05 |
| 9801108 | Method for handover without default bearer and device | Wanqiang Zhang, Yijun Yu | 2017-10-24 |
| 8418526 | System and method for testing gas migration process in coal-rock mass | Manchao He, Haijiang Zhang, Dejian Li | 2013-04-16 |