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USPTO Patent Rankings Data through Sept 30, 2025
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Chenhsin Lien — 3 Patents

UMUnited Microelectronics: 3 patents #1,523 of 4,560Top 35%
Overall (All Time): #1,591,702 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7009252 ESD protection devices and methods for reducing trigger voltage Shi-Tron Lin, Wei-Fan Chen 2006-03-07
6864536 Electrostatic discharge protection circuit Shi-Tron Lin, Wei-Fan Chen, Wan-Yun Lin 2005-03-08
6573568 ESD protection devices and methods for reducing trigger voltage Shi-Tron Lin, Wei-Fan Chen 2003-06-03