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USPTO Patent Rankings Data through Sept 30, 2025
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Clark David Nelson — 2 Patents in 2021

CSCurrent Lighting Solutions: 2 patents #4 of 67Top 6%
Powell, OH: #8 of 61 inventorsTop 15%
Ohio: #1,189 of 7,535 inventorsTop 20%
Overall (2021): #171,008 of 548,734Top 35%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11060023 Coated manganese doped phosphors Fangming Du, Sara Ann Krosschell 2021-07-13
10883045 Phosphor materials including fluidization materials for light sources William Winder Beers, Fangming Du 2021-01-05