Inventor · Darmstadt, DE

Holger Winkler

32Patents
9h-index
47Co-inventors
71Inventor score

Filing activity: Aug 21, 2002 → Dec 21, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US7291394B2 Composite material containing a core-covering particle Emerging Cross-Sectional Technologies 41 Expired
US7241502B2 Moulded bodies consisting of core-shell particles Emerging Cross-Sectional Technologies 17 Expired
US8088304B2 Luminophores made of doped garnet for pcLEDs Electricity 16 Active
US8519609B2 Process for the preparation of coated phosphors Emerging Cross-Sectional Technologies 16 Active
US8946982B2 Coated phosphor particles with refractive index adaption Chemistry; Metallurgy 15 Active
US9028716B2 Nitridosilicates co-doped with zirconium and hafnium Electricity 13 Active
US9139763B2 Surface-modified phosphors Chemistry; Metallurgy 11 Active
US8721925B2 Co-doped silicooxynitrides Chemistry; Metallurgy 11 Active
US9157025B2 Phosphor mixtures comprising europium-doped ortho-silicates Electricity 11 Active
US10202669B2 Process for the production of a PGM-enriched alloy Emerging Cross-Sectional Technologies 7 Active
US8350465B2 Doped garnet fluorescent substance having red shift for pc LEDs Emerging Cross-Sectional Technologies 6 Active
US8801968B2 Surface-modified conversion phosphors Electricity 6 Active
US8297846B2 Bearing arrangement for a pivot bearing Mechanical Engineering; Lighting; Heating 3 Active
US9093623B2 Casting composition as diffusion barrier for water molecules Electricity 2 Active
US9580649B2 Process for production of phosphors Electricity 2 Active
US9567519B2 Composite ceramic which comprises a conversion phosphor and a material having a negative coefficient of thermal expansion Emerging Cross-Sectional Technologies 2 Active
US9856417B2 Eu-activated luminophores Mechanical Engineering; Lighting; Heating 1 Active
US8256920B2 Illumination unit consisting of discharge lamp, LEDs and conversion phosphors Mechanical Engineering; Lighting; Heating 1 Active
US7186460B2 Extension and upsetting sensor Emerging Cross-Sectional Technologies 1 Expired
US9758722B2 Eu2+-activated phosphors Electricity 0 Active
US8858834B2 Co-doped 1-1-2 nitrides Electricity 0 Active
US10662500B2 Process for the recovery of precious metal from petrochemical process residues Emerging Cross-Sectional Technologies 0 Active
US9657222B2 Silicate phosphors Electricity 0 Active
US9102873B2 SM-activated aluminate and borate phosphors Electricity 0 Active
US12060624B2 Method for producing a PGM collector alloy Emerging Cross-Sectional Technologies 0 Active

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