Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D928264 | Hoverboard | Qin Ke, Matao Cao | 2021-08-17 |
| D926902 | Hoverboard | Qin Ke, Matao Cao | 2021-08-03 |
| 10220823 | Brake booster | — | 2019-03-05 |
| 9701296 | Power assist device and brake system | — | 2017-07-11 |
| D780626 | Two-wheeled self-balancing vehicle | Yucheng Li, Pingzhi Li | 2017-03-07 |
| 9428169 | Electric brake booster | — | 2016-08-30 |
| 6556778 | Active current-limiting control for dc motor speed regulation | Ashraf Zeid | 2003-04-29 |