Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12304258 | Multifunctional ball mount with high structural strength | — | 2025-05-20 |
| 10908870 | Audio playing method, apparatus, device and server | Xiantang Chang, Lifeng Zhao | 2021-02-02 |
| 10783884 | Electronic device-awakening method and apparatus, device and computer-readable storage medium | Rongjie Chen, Lifeng Zhao, Xiantang Chang | 2020-09-22 |