Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Nona DeCastro

TETekion: 1 patents #25 of 34Top 75%
Chicago, IL: #7,538 of 13,327 inventorsTop 60%
Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,355,123 of 4,157,543Top 85%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7368200 Composite polymer electrolyte membranes and electrode assemblies for reducing fuel crossover in direct liquid feed fuel cells Yimin Zhu, Ruiming Zhang, Bogdan Gurau, Sharon Blair 2008-05-06