Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10418919 | Electric tool and motor drive system | Hai Bo MA, Song Chen, Siu Chung Yip, Yong Sheng GAO, Jian Xun ZOU | 2019-09-17 |
| 10256750 | Electronic device having delay circuit for synchronous starting of two operating components | Hai Bo MA, Ka Lung Ng, Yu Quan Liang | 2019-04-09 |
| 9819290 | Power tool and motor drive circuit thereof | Hai Bo MA, Yong Li, Yong Sheng GAO, Jin Yun Gan, Wei Long Lan | 2017-11-14 |