SK

Sheng-Hsiung Kao

UN Unknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #3,475,767 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6719473 Light emitting pen for illumination at night and for writting — 2004-04-13