Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10264377 | Method and system for simultaneously verifying amplitude and temperature parameters of electrical-acoustic conversion device | Xinfeng Yang, Jie Wei | 2019-04-16 |
| 9877127 | Method and system for testing temperature tolerance limit of loudspeaker | Xinfeng Yang, Dong Qiu | 2018-01-23 |