Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10291991 | Electrical-acoustic transformation device and electronic device | Lianwen Shan, Xinfeng Yang, Hairong Wang | 2019-05-14 |
| 10225664 | Electrical-acoustic transformation device | Lianwen Shan, Xinfeng Yang, Hairong Wang | 2019-03-05 |
| 10219080 | Electrical-acoustic transformation device | Lianwen Shan, Xinfeng Yang, Hairong Wang | 2019-02-26 |