Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10448305 | Method, system and device for maintaining user service continuity | Yanmei Yang | 2019-10-15 |
| 10064116 | Method, system and device for maintaining user service continuity | Yanmei Yang | 2018-08-28 |
| 9736747 | Method, system and device for maintaining user service continuity | Yanmei Yang | 2017-08-15 |
| 8442535 | Method, system and device for maintaining user service continuity | Yanmei Yang | 2013-05-14 |