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USPTO Patent Rankings Data through Sept 30, 2025
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C. N. Chuan

TSMC: 1 patents #8,466 of 12,232Top 70%
New Taipei, TW: #6,529 of 10,472 inventorsTop 65%
Overall (All Time): #3,626,290 of 4,157,543Top 90%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6113480 Apparatus for polishing semiconductor wafers and method of testing same T. J. Hu 2000-09-05