YC

Yueh-Lin Chou

UM United Microelectronics: 2 patents #1,942 of 4,560Top 45%
WM Worldwide Semiconductor Manufacturing: 2 patents #19 of 58Top 35%
Overall (All Time): #1,246,748 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7498105 Method for checking phase shift angle of phase shift mask, lithography process and phase shift mask Yung-Feng Cheng, Chin-Lung Lin 2009-03-03
6492069 Method for forming an attenuated phase-shifting mask Ching-Liang Wu, Jen-Hui Tseng 2002-12-10
6015641 Reduction of optical proximity effect of bit line pattern in DRAM devices 2000-01-18
5478679 Half-tone self-aligning phase shifting mask Wen-An Loong, Shyi-Long Shy, Hong-Tsz Pan, Ming-Tzong Yang, Guey-Chi Guo 1995-12-26