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USPTO Patent Rankings Data through Dec 31, 2025
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Fangkai Han — 2 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Shanghai, CN: #6,982 of 19,267 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Fangkai Han has been granted 2 US patents while listed as an inventor at Unknown. All of these patents were granted in 2025. Fangkai Han ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Fangkai Han in Shanghai, CN.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12376807 Collimator for dental X-ray imaging apparatus Jue Li 2025-08-05
12268537 Visible light projection indicator for dental X-ray imaging apparatus and method of using same Jue Li 2025-04-08

Nearby-Ranked Inventors

Leonard Mattheis2
Yiqi SHI2
Roberto DiCecco2
Haoneng Xu2
Emily Chew2
So Young Bae2
Julian Alexander Georgi2
Yoshihiro Asahara2
Assaf Ariel2