Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12432022 | Acknowledgement packet processing method, communications apparatus, and storage medium | Tong Li, Kai Zheng, Junsen Chen, Shengjun Chen | 2025-09-30 |
| 10341496 | Policy control method and system, and relevant apparatus | Xiaoqian Chai, Mingjun Shan | 2019-07-02 |
| 9992349 | Policy control method and system, and relevant apparatus | Xiaoqian Chai, Mingjun Shan | 2018-06-05 |
| 9524327 | Method and system for data synchronization, and apparatus thereof | Xiangzhou Guo, Linyi Tian | 2016-12-20 |
| 9197577 | Policy control method and system, and relevant apparatus | Xiaoqian Chai, Mingjun Shan | 2015-11-24 |
| 8635266 | Method and system for data synchronization, and apparatus thereof | Xiangzhou Guo, Linyi Tian | 2014-01-21 |
| 8402132 | Method, system and device for device capabilities exchange | Mingjun Shan, Chun Li, Xin Shi | 2013-03-19 |
| 8331903 | Charging method and system for push-to-talk over cellular system | Mingjun Shan, Xiaoqian Chai | 2012-12-11 |
| 8311016 | Charging method and network system thereof, packet data network gateway and charging system thereof | Chun Li, Mingjun Shan, Xin Shi | 2012-11-13 |
| 8301118 | Method, system and apparatus for locking information | Kepeng Li, Xiaoqian Chi, Xiaoyi Dong, Jiangshui He | 2012-10-30 |
| 8285252 | Charging method, system and apparatus | Chun Li, Mingjun Shan | 2012-10-09 |
| 8116737 | Method, system and apparatus for locking information | Kepeng Li, Xiaoqian Chai, Xiaoyi Dong, Jiangshui He | 2012-02-14 |
| 8064877 | Charging method and network system thereof, packet data network gateway and charging system thereof | Chun Li, Mingjun Shan, Xin Shi | 2011-11-22 |
| 8051186 | Method for device capability negotiation, method, system and device for synchronization | Linyi Tian, Xiangzhou Guo | 2011-11-01 |