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USPTO Patent Rankings Data through Dec 31, 2025
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Robert Nark — 1 Patent in 2022

CECelgard: 1 patents #5 of 26Top 20%
Fort Mill, SC: #26 of 63 inventorsTop 45%
South Carolina: #497 of 1,643 inventorsTop 35%
Overall (2022): #282,025 of 548,613Top 55%
1 Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11495865 Microlayer membranes, improved battery separators, and related methods Kang Karen Xiao, Eric J. Penegar, Takahiko Kondo, Eric White, Xiaomin Zhang +3 more 2022-11-08