Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |