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Ching-I Chang

UM United Microelectronics: 1 patents #2,686 of 4,560Top 60%
📍 Baoshan, TW: #2,187 of 3,661 inventorsTop 60%
Overall (All Time): #3,576,604 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6207566 Method for forming a metal plug on a semiconductor wafer — 2001-03-27