YC

Yung Pun Cheng

UN Unknown: 1 patents #213 of 2,616Top 9%
Overall (2011): #120,688 of 364,097Top 35%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7936119 Wide-angle LED lighting lamp with high heat-dissipation efficiency and uniform illumination 2011-05-03