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USPTO Patent Rankings Data through Sept 30, 2025
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Tzu-Ching Chuang

UMUnited Microelectronics: 1 patents #2,686 of 4,560Top 60%
Overall (All Time): #3,277,835 of 4,157,543Top 80%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7656704 Multi-level operation in nitride storage memory cell Po-An Chen, Yu-Kuo Yang, Hsiu-Han Liao 2010-02-02