Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10291991 | Electrical-acoustic transformation device and electronic device | Lianwen Shan, Xinfeng Yang, Longhao Cui | 2019-05-14 |
| 10225664 | Electrical-acoustic transformation device | Lianwen Shan, Xinfeng Yang, Longhao Cui | 2019-03-05 |
| 10219080 | Electrical-acoustic transformation device | Lianwen Shan, Xinfeng Yang, Longhao Cui | 2019-02-26 |
| 10178477 | Vibrating diaphragm assembly | Lianwen Shan, Xinfeng Yang | 2019-01-08 |