Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10462564 | Operating a headset that includes microphone line and pushbutton keys | Wenpang David Wang, Christopher Michael Graves | 2019-10-29 |
| 10374606 | High voltage level shifter with short propagation delay | Danyang Zhu, Jie Feng, Xiaonan Wang | 2019-08-06 |
| 10230372 | High voltage level shifter with short propagation delay | Danyang Zhu, Jie Feng, Xiaonan Wang | 2019-03-12 |
| 9979397 | High voltage level shifter with short propagation delay | Danyang Zhu, Jie Feng, Xiaonan Wang | 2018-05-22 |
| 9479882 | Initial command to switch transistors disconnecting keys from microphone line | Wenpang David Wang, Christopher Michael Graves | 2016-10-25 |