JL

James Ching Sik Lau

JS Johnson Electric S.A.: 2 patents #29 of 147Top 20%
Overall (2017): #143,964 of 506,227Top 30%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9599165 Retainer for a rolling bearing Ming Lu, Xi Yang, Chi Keung Law 2017-03-21
9543798 Electric motor Chun Cheung, Duncan Yiu Lung Wong, Xiao Jun Yang 2017-01-10