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USPTO Patent Rankings Data through Sept 30, 2025
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Soon Chang Roh — 1 Patent

Overall (All Time): #2,709,378 of 4,157,543Top 70%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10916981 Permanent magnet rotating device having minimized cogging torque, permanent magnet generator using same, and permanent magnet motor 2021-02-09