PC

Pen Han Chang

📍 Danei, TW: #570 of 1,188 inventorsTop 50%
Overall (All Time): #3,379,736 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7186146 Electric appliance/extension cord assembly with electromagnetic radiation-shielding function Pen Yen Chang, Kuo-Hung Liao 2007-03-06