CY

Cheong Wing YUEN

JA Johnson Electric International Ag: 1 patents #163 of 404Top 45%
JS Johnson Electric S.A.: 1 patents #231 of 526Top 45%
Overall (All Time): #1,854,666 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11431234 Rotor assembly for DC motor Chi Yan Tam, Chi-Hung Chan 2022-08-30
9154013 Electric motor James Ching Sik Lau, Xiao Jun Yang, Yu Ying LI, Yang Hou 2015-10-06