OC

Osbert Cheng

UM United Microelectronics: 1 patents #2,686 of 4,560Top 60%
Overall (All Time): #3,544,591 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6388756 Optical method of measuring trench depth Jau-Hwang Ho 2002-05-14