Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10341496 | Policy control method and system, and relevant apparatus | Xiaoqian Chai, Jiao Kang | 2019-07-02 |
| 9992349 | Policy control method and system, and relevant apparatus | Xiaoqian Chai, Jiao Kang | 2018-06-05 |
| 9197577 | Policy control method and system, and relevant apparatus | Xiaoqian Chai, Jiao Kang | 2015-11-24 |
| 8488597 | Apparatus for collecting charging information of a data service and charging method thereof | Yanbo Nie, Xuanyi Huan, Li Wang | 2013-07-16 |
| 8402132 | Method, system and device for device capabilities exchange | Jiao Kang, Chun Li, Xin Shi | 2013-03-19 |
| 8358616 | Peer-to-peer communication charging method, communication system and charging device | Chun Li | 2013-01-22 |
| 8331903 | Charging method and system for push-to-talk over cellular system | Jiao Kang, Xiaoqian Chai | 2012-12-11 |
| 8311016 | Charging method and network system thereof, packet data network gateway and charging system thereof | Chun Li, Jiao Kang, Xin Shi | 2012-11-13 |
| 8285252 | Charging method, system and apparatus | Chun Li, Jiao Kang | 2012-10-09 |
| 8249639 | Method and system for charging of push to talk over cellular service and communication system | Chun Li | 2012-08-21 |
| 8064877 | Charging method and network system thereof, packet data network gateway and charging system thereof | Chun Li, Jiao Kang, Xin Shi | 2011-11-22 |
| 7752128 | Charging network, charging agent apparatus and charging method | — | 2010-07-06 |