WL

Wen-An Loong

UM United Microelectronics: 1 patents #2,686 of 4,560Top 60%
Overall (All Time): #3,787,417 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5478679 Half-tone self-aligning phase shifting mask Shyi-Long Shy, Hong-Tsz Pan, Ming-Tzong Yang, Guey-Chi Guo, Yueh-Lin Chou 1995-12-26