IC

I-l Cheng

TSMC: 1 patents #8,466 of 12,232Top 70%
📍 Tainan, TW: #2,005 of 4,566 inventorsTop 45%
Overall (All Time): #2,019,864 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9530813 Seal ring structure with rounded corners for semiconductor devices Volume Chien, Yun-Wei Cheng, Shiu-Ko JangJian, Chi-Cherng Jeng, Hsin-Chi Chen 2016-12-27
8007576 Chrome-free corrosion inhibitor composition Jyh-Rong Liang, Po-Ya Hsu, Ming-Chuan WANG, Chia-Chih Ou, Wen-Chieh Lin 2011-08-30