Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12294847 | Tweeter and automobile audio system | Guoqiang Chai, Yuping Xie, Peng Gao, Bo Gu | 2025-05-06 |
| 11962987 | Magnetic circuit of loudspeaker and loudspeaker | Shenggang Tao, Bo Gu, Xiaoqing Wang, Guoqiang Chai | 2024-04-16 |
| 11950072 | Mid-range loudspeaker | Guoqiang Chai, Bo Gu | 2024-04-02 |
| 11849277 | Loudspeaker system | Shenggang Tao, Jianfeng Tang, Xiaoqing Wang, Guoqiang Chai | 2023-12-19 |
| 11089400 | Coaxial loudspeaker | Shenggang Tao, Kaihua Qian, Xiaoqing Wang, Guoqiang Chai | 2021-08-10 |