YC

Yi-Ching Cheng

Overall (2018): #185,596 of 503,207Top 40%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9897133 Carbon fiber washer Chun-Han Lai, Po-Chen Sung, Chang-Mou Wu, Wen-You Lai, Po-Chun Lin 2018-02-20