YC

Ya-Lun Cheng

UM United Microelectronics: 3 patents #1,523 of 4,560Top 35%
Overall (All Time): #1,590,197 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7306681 Method of cleaning a semiconductor substrate Yi-Chia Lee, Yu-Ren Wang, Neng-Hui Yang 2007-12-11
7037793 Method of forming a transistor using selective epitaxial growth Chin-Cheng Chien, Yu Chen 2006-05-02
6991991 Method for preventing to form a spacer undercut in SEG pre-clean process Chin-Cheng Chien, Neng-Hui Yang, Yu Chen 2006-01-31