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USPTO Patent Rankings Data through Sept 30, 2025
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Ching Chan

PCPuc Perfect Union Co.: 1 patents #1 of 1Top 100%
New Taipei, TW: #682 of 1,914 inventorsTop 40%
Overall (2022): #503,490 of 548,613Top 95%
1 Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D948460 Electric fan controller 2022-04-12