Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10491080 | Brush assembly | Rui Feng Qin, Ji Yu Liang, Kwok Kuen Tse, Xin Hui Guan | 2019-11-26 |
| 10008911 | Brush assembly | Rui Feng Qin, Ji Yu Liang, Kwok Kuen Tse, Xin Hui Guan | 2018-06-26 |
| 9762103 | Brush motor | Ji Yu Liang, Xin Hui Guan | 2017-09-12 |
| 9627934 | Rotor windings for DC motor | Rui Feng Qin, Fei Liu, Ji Yu Liang, Xin Hui Guan | 2017-04-18 |