YC

Yau-Zen Chang

CU Chang Gung University: 2 patents #52 of 368Top 15%
Overall (All Time): #2,093,994 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8298245 Three-dimensional positioning device for minimally invasive surgery Shih-Tseng Li, Heng-Liang Liu, Shun-Chung Chuang 2012-10-30
8229167 Optical tracking device and positioning method thereof Shih-Tseng Lee, Chan-Peng Lo 2012-07-24