Issued Patents 2025
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12432479 | Earphone and mobile terminal | Xiangao Song, Chengxia Ji, Yong Zheng, Zhengxue Li | 2025-09-30 |
| 12415037 | Needleless injection device and method using the same | Suheng Liu | 2025-09-16 |
| 12342143 | Method and system for switching sound channel of headset, and headset terminal | Xiangao Song, Guoli Ping, Zheng Ju, Yong Zheng | 2025-06-24 |
| 12300208 | Sound masking method and apparatus, and terminal device | Xiangao Song, Jiahe Liu, Junping GAO | 2025-05-13 |