Inventor · Stoughton, WI, US

Ken Johnson

9Patents
2h-index
6Co-inventors
40Inventor score

Filing activity: Nov 29, 2002 → Oct 30, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US7901715B2 NGNA compositions and methods of use Human Necessities 5 Active
US7314649B2 White pigment for use in formulations including white pearlescent paint Emerging Cross-Sectional Technologies 2 Expired
US12122687B2 Method for nitrogen removal and nitrogen salts recovery using carboxylated cellulose extracted by nitro-oxidation Emerging Cross-Sectional Technologies 1 Active
US9144577B2 NGNA compositions and methods of use Human Necessities 0 Active
US8741361B2 NGNA compositions and methods of use Human Necessities 0 Active
US8535732B2 NGNA compositions and methods of use Human Necessities 0 Expired
US12384856B2 Compositions and methods for removal of negatively charged impurities using metal-cellulose fiber composite Chemistry; Metallurgy 0 Active
US7064159B2 Pearlescent white paint composition containing a film-former and a solid material comprising mica, titanium dioxide and aluminum, and process for using same Emerging Cross-Sectional Technologies 0 Expired
US7404987B2 White pearlescent paint compositions and coatings Emerging Cross-Sectional Technologies 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.