Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9543798 | Electric motor | James Ching Sik Lau, Chun Cheung, Duncan Yiu Lung Wong | 2017-01-10 |
| 9154013 | Electric motor | James Ching Sik Lau, Cheong Wing YUEN, Yu Ying LI, Yang Hou | 2015-10-06 |
| 9077230 | Electric motor with heat dissipating device | James Ching Sik Lau | 2015-07-07 |
| 9035529 | Commutator having a plurality of commutator segments and method for making the same | Raven Wai Kei Mok, Zhi Yang Yao, Chung Fai Choi, Wilfried Gorlt, James Ching Sik Lau +2 more | 2015-05-19 |
| 8710707 | Electric motor | James Ching Sik Lau, Kwong Yip Poon | 2014-04-29 |
| 8593022 | Electric motor with heat dissipation structure | James Ching Sik Lau, Chun Kei Yu | 2013-11-26 |
| 8471430 | Electric motor | James Ching Sik Lau, Chun Kei Yu | 2013-06-25 |