Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10468957 | Linear vibration motor | Baoyu Liu | 2019-11-05 |
| 10244323 | Vibration sound-producing apparatus | Hongchao Sun, Chao Xu | 2019-03-26 |
| 10244326 | Miniature sounder | Zedong Zheng, Zhenhua Liu, Hongtao Liu | 2019-03-26 |
| 10171914 | Vibration sound-generating device | Chao Wang | 2019-01-01 |