Issued Patents 2019
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10433055 | Speaker system with moving voice coil | Guodong Zhao, Pengcheng Ji | 2019-10-01 |
| 10397718 | Vibration diaphragm and manufacturing method thereof | Guodong Zhao, Pengcheng Ji | 2019-08-27 |
| 10299033 | Loudspeaker module | Tongyan Xu, Pengcheng Ji | 2019-05-21 |
| 10291991 | Electrical-acoustic transformation device and electronic device | Lianwen Shan, Hairong Wang, Longhao Cui | 2019-05-14 |
| 10264377 | Method and system for simultaneously verifying amplitude and temperature parameters of electrical-acoustic conversion device | Kang PING, Jie Wei | 2019-04-16 |
| 10225664 | Electrical-acoustic transformation device | Lianwen Shan, Hairong Wang, Longhao Cui | 2019-03-05 |
| 10219080 | Electrical-acoustic transformation device | Lianwen Shan, Hairong Wang, Longhao Cui | 2019-02-26 |
| 10178477 | Vibrating diaphragm assembly | Hairong Wang, Lianwen Shan | 2019-01-08 |