Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12294847 | Tweeter and automobile audio system | Yuewu Shen, Guoqiang Chai, Yuping Xie, Peng Gao | 2025-05-06 |
| 11962987 | Magnetic circuit of loudspeaker and loudspeaker | Yuewu Shen, Shenggang Tao, Xiaoqing Wang, Guoqiang Chai | 2024-04-16 |
| 11950072 | Mid-range loudspeaker | Guoqiang Chai, Yuewu Shen | 2024-04-02 |