JL

J. S. Lai

UM United Microelectronics: 1 patents #2,686 of 4,560Top 60%
Overall (All Time): #3,658,597 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5944593 Retainer ring for polishing head of chemical-mechanical polish machines Daniel T. Chiu, C.S. Yang, Peng-Yih Peng, J. Y. Wu 1999-08-31