Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12356134 | Headset and control method with usage status detection | Zhizhong Zhang, Qingsong Yu, Dahai Xu | 2025-07-08 |
| 12225340 | Wireless earphone, mobile phone and sonic ranging method | Zhizhong Zhang, Qingsong Yu | 2025-02-11 |
| D1047960 | Loudspeaker | Gan Ding, Jinghuan Zhu | 2024-10-22 |