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USPTO Patent Rankings Data through Sept 30, 2025
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Sei-Hyung Ryu — 4 Patents in 2021

CRCree: 4 patents #8 of 96Top 9%
Cary, NC: #58 of 600 inventorsTop 10%
North Carolina: #397 of 5,924 inventorsTop 7%
Overall (2021): #40,542 of 548,734Top 8%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11184001 Power switching devices with high dV/dt capability and methods of making such devices Qingchun Zhang, Adam Barkley, Brett Hull 2021-11-23
11075295 Wide bandgap semiconductor device 2021-07-27
11057033 Hybrid power module Edward Robert Van Brunt, Adam Barkley, Zachary Cole, Kraig J. Olejniczak 2021-07-06
11024731 Power module for supporting high current densities Jason Henning, Qingchun Zhang, Anant Agarwal, John Williams Palmour, Scott Allen 2021-06-01