CC

Chung-Jun Cheng

UM United Microelectronics: 1 patents #2,686 of 4,560Top 60%
Overall (All Time): #3,386,746 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7223157 Chemical-mechanical polishing apparatus and method of conditioning polishing pad Sheng-Yu Chen, Te-Sung Hung, Chi-Piao Cheng, Po-Yuan Cheng 2007-05-29