CC

Chi Hung Cheung

PI Pi International: 1 patents #1 of 1Top 100%
📍 Sha Tin, CN: #27 of 157 inventorsTop 20%
Overall (2011): #336,286 of 364,097Top 95%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7944713 Electric power conversion circuit having transfer gain variable by pulse-width modulation 2011-05-17