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USPTO Patent Rankings Data through Sept 30, 2025
DH

DuckChun Ham

Overall (All Time): #3,245,773 of 4,157,543Top 80%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7918431 Levitation type support unit 2011-04-05