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USPTO Patent Rankings Data through Sept 30, 2025
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I-Fa Chen

UNUnknown: 1 patents #29,356 of 83,584Top 40%
New Taipei, TW: #6,529 of 10,472 inventorsTop 65%
Overall (All Time): #3,076,012 of 4,157,543Top 75%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9166699 Infrared reception circuit and infrared reception method 2015-10-20