CC

C.M. CHI

UM United Microelectronics: 1 patents #2,686 of 4,560Top 60%
Overall (All Time): #3,547,319 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6401728 Method for cleaning interior of etching chamber Yu C. Chow, W. H. Cheng, Chia-Fu Yeh, Cobby Lee 2002-06-11