Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10834209 | Session establishment method and apparatus | Fenqin Zhu | 2020-11-10 |
| 10812609 | Service subscription method and system for reporting service change in communications system | — | 2020-10-20 |
| 10674349 | Subscription update method, device, and system | Caixia Qi, Fenqin Zhu | 2020-06-02 |