Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10341780 | Miniature speaker | Zhibing Wang, Gang Chen, Minghui Shao | 2019-07-02 |
| 9838796 | Electroacoustic transducer | Di Wu | 2017-12-05 |
| 9307306 | Micro loudspeaker and electronic device using same | Yunhai Li, Shanglei Ning | 2016-04-05 |
| 7903970 | Optical network evaluation systems and methods | Chuanyi Ji | 2011-03-08 |