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USPTO Patent Rankings Data through Sept 30, 2025
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Song yop HAHN

Seoul, KR: #24,369 of 39,741 inventorsTop 65%
Overall (All Time): #2,881,482 of 4,157,543Top 70%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9923361 3 phase electric leakage current circuit breaker with electric shock protection 2018-03-20