Inventor · Bischofswerda, DE

Peter Erk

41Patents
6h-index
144Co-inventors
72Inventor score

Filing activity: Nov 23, 1987 → Sep 2, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US8231809B2 Use of rylene derivatives as photosensitizers in solar cells Emerging Cross-Sectional Technologies 52 Active
US5472494A Pigment preparation with perylene derivatives as dispersants Chemistry; Metallurgy 37 Expired
US7910736B2 Method for producing organic field-effect transistors Electricity 21 Active
US8362026B2 Crystalline form of 2-chloro-5-[3,6-dihydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)-1-(2H)-pyrimidinyl]-4-fluoro-N-[[methyl(1-methyl-ethyl)amino]sulfonyl]benzamide Chemistry; Metallurgy 16 Active
US6541032B1 Use of finely divided dye-containing polymers PD as color-imparting constituent in cosmetic compositions Human Necessities 15 Expired
US7416601B2 Black perylene pigments Chemistry; Metallurgy 6 Expired
US9087991B2 Photovoltaic element Emerging Cross-Sectional Technologies 6 Active
US6827478B2 Method and device for carrying out the automated preparation and characterization of liquid multi-constituent systems Emerging Cross-Sectional Technologies 5 Expired
US9001029B2 Detector for optically detecting at least one object Emerging Cross-Sectional Technologies 5 Active
US7145010B2 Tert-alkylphenoxy-substituted polycyclic compounds Chemistry; Metallurgy 4 Expired
US7087239B2 Crystalline hydrates of anilide derivatives Chemistry; Metallurgy 4 Expired
US8791046B2 Crystalline modification of fipronil Human Necessities 4 Active
US7795145B2 Patterning crystalline compounds on surfaces Electricity 3 Active
US8063092B2 Crystalline modification of fipronil Human Necessities 3 Active
US7790888B2 Method for producing tris-ortho-metallated complexes and use of such complexes in OLEDs Chemistry; Metallurgy 3 Active
US8017556B2 Crystalline form of [3-(4,5-dihydro-3-isoxazolyl)-2-methyl-4-(methylsulfonyl)phenyl]-(5-hydroxy-1-methyl-1H-pyrazol-4-yl)methanone Chemistry; Metallurgy 3 Active
US8658290B2 Use of halogenated phthalocyanines Emerging Cross-Sectional Technologies 3 Active
US9451772B2 Crystalline modification of fipronil Human Necessities 2 Active
US8501046B2 Use of rylene derivatives as photosensitizers in solar cells Emerging Cross-Sectional Technologies 2 Active
US9054325B2 Rylene monoimide derivatives and use thereof as photosensitizers in solar cells and photodetectors Emerging Cross-Sectional Technologies 2 Active
US8357695B2 Hydrates of 2-chloro-5-[3,6-dihydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)-1-(2H)-pyrimidinyl]-4-fluoro-N-[[methyl(1-methylethyl)amino]sulfonyl]benzamide Human Necessities 2 Active
US8859607B2 Crystalline complexes of agriculturally active organic compounds Chemistry; Metallurgy 2 Active
US7501384B2 Crystalline modification of the anhydrate of boscalid Human Necessities 2 Expired
US5432277A Metal-free phthalocyanine of the .gamma.-form Chemistry; Metallurgy 1 Expired
US9917260B2 Compounds with terminal heteroarylcyanovinylene groups and their use in organic solar cells Emerging Cross-Sectional Technologies 1 Active

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