Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12409528 | Finishing device and method for distributed aero-engine bearing rings | Xuenan LI, Zhiwei Du, Wenhui Li, Xiuhong Li | 2025-09-09 |
| 12312500 | Polishing paste for superfinishing of bearing steel, and preparation method and use thereof | Xiuhong Li, Xingfu Wang, Xunzheng Zhai, Zhiqiang Liang, Wenhui Li +3 more | 2025-05-27 |
| 9137268 | Method, terminal, and server for obtaining heartbeat period | — | 2015-09-15 |
| 9100271 | Routing method, routing apparatus, and communications system | — | 2015-08-04 |
| 9019852 | Method and device for adjusting service processing resources of a multi-mode base station system | — | 2015-04-28 |
| 8903432 | Wireless paging method | — | 2014-12-02 |
| 8521863 | Method and device for operating resource on shared network element | — | 2013-08-27 |
| 8428575 | Dial testing system and method | Dongyong Zhu | 2013-04-23 |
| 8238914 | Handoff method, switching device and terminal | — | 2012-08-07 |
| 7991132 | Billing method and system, and billing server | — | 2011-08-02 |