WA

Won-Suk Ahn

Samsung: 2 patents #37,631 of 75,807Top 50%
Overall (All Time): #2,134,161 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7527901 Method of repairing phase shift mask Jeong Yun Lee, Seong-woon Choi, Il-Yong Jang, Sung-Jae Han 2009-05-05
7521156 Photo mask and method of correcting the transmissivity of a photo mask Moon Gyu Sung, Seong-woon Choi, Sung-Yong Cho, Jeong Yun Lee 2009-04-21