Issued Patents All Time
Showing 26–50 of 117 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11627458 | Key derivation algorithm negotiation method and apparatus | Li Hu | 2023-04-11 |
| 11622268 | Secure communication method and secure communications apparatus | He Li, Huan Li | 2023-04-04 |
| 11611930 | Access method, device, and system | Ruchuan Du | 2023-03-21 |
| 11595206 | Key update method and apparatus | He Li | 2023-02-28 |
| 11589274 | Security protection method, apparatus, and system | He Li | 2023-02-21 |
| 11582602 | Key obtaining method and device, and communications system | Kai Pan, He Li | 2023-02-14 |
| 11576089 | Method and apparatus for negotiating security during handover between different radio access technologies | Xiaoying Xu | 2023-02-07 |
| 11576038 | Key generation method, apparatus, and system | Kai Pan | 2023-02-07 |
| 11564100 | Security protection method and apparatus | He Li | 2023-01-24 |
| 11564099 | RRC connection resume method and apparatus | Li Hu, Bingzhao Li, Xiaoying Xu, He Li | 2023-01-24 |
| 11546771 | Communication method, communications apparatus, and system | He Li, Yizhuang Wu | 2023-01-03 |
| 11533609 | Message protection method and apparatus | Kai Pan, He Li | 2022-12-20 |
| 11523308 | Methods, apparatuses, and systems for voice service handover | Xiaoying Xu, Xing Liu, Qinghai Zeng, Yang Zhao | 2022-12-06 |
| 11503469 | User authentication method and apparatus | Kai Pan, He Li | 2022-11-15 |
| 11483705 | Method and device for generating access stratum key in communications system | Dongmei Zhang, Yang Cui | 2022-10-25 |
| 11463873 | Communication method and device | Li Hu | 2022-10-04 |
| 11445370 | Method and device for verifying key requester | He Li | 2022-09-13 |
| 11432218 | Handover method and system, and device | Ruchuan Du, Caixia Qi | 2022-08-30 |
| 11310323 | Message processing method, apparatus, and system | Yiping Cheng, Caixia Qi | 2022-04-19 |
| 11310266 | Mobile communication method, apparatus, and device | Qi Li, Lin Shu | 2022-04-19 |
| 11284456 | Method and apparatus for obtaining identifier of terminal device | He Li, Huan Li | 2022-03-22 |
| 11272360 | Communication method and related apparatus | He Li, Li Hu | 2022-03-08 |
| 11259185 | Communication method and device | Li Hu, He Li, Kai Pan | 2022-02-22 |
| 11259219 | Communication method, apparatus, and system | Kai Pan | 2022-02-22 |
| 11240019 | Method, device, and system for deriving keys | Aiqin Zhang, Xiaoyu Bi | 2022-02-01 |