WS

Walance Sun

Overall (All Time): #3,313,132 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7855399 Protection device of programmable semiconductor surge suppressor having deep-well structure Ken Ou, Shouming Zhang, Man Oi Cleo Ng 2010-12-21