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USPTO Patent Rankings Data through Sept 30, 2025
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Anja Couperus

SBSigma Coatings B.V.: 1 patents #1 of 3Top 35%
Hoevelaken, NL: #1 of 2 inventorsTop 50%
Overall (2002): #81,703 of 266,432Top 35%
1 Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6365648 Pigment concentrate Tjerk Groenman, Stephane Carlier 2002-04-02