Inventor · Witten, DE

Thomas Justel

45Patents
12h-index
60Co-inventors
84Inventor score

Filing activity: Aug 21, 1997 → Sep 13, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6234648A Lighting system Emerging Cross-Sectional Technologies 583 Expired
US6084250A White light emitting diode Electricity 234 Expired
US6234645A LED lighting system for producing white light Emerging Cross-Sectional Technologies 225 Expired
US6717353B1 Phosphor converted light emitting device Emerging Cross-Sectional Technologies 179 Expired
US5955836A Organic electroluminescent component with exciplex formed from a mixed layer of a mixture of hole transporting and electron transporting organic material Electricity 72 Expired
US6398970B1 Device for disinfecting water comprising a UV-C gas discharge lamp Chemistry; Metallurgy 64 Expired
US6350534B1 Organic light-emitting diode with terbium complex Emerging Cross-Sectional Technologies 24 Expired
US7061024B2 Light-emitting device comprising an EU(II)-activated phosphor Electricity 20 Expired
US7753553B2 Illumination system comprising color deficiency compensating luminescent material Electricity 15 Active
US7700002B2 Illumination system comprising a radiation source and fluorescent material Chemistry; Metallurgy 14 Active
US7982229B2 Light emitting device with conversion structure Electricity 14 Active
US6051925A Diode-addressed color display with molecular phosphor Chemistry; Metallurgy 13 Expired
US5998047A Aluminate phosphor with a polyphosphate coating Emerging Cross-Sectional Technologies 12 Expired
US6165631A Diode-addressed color display with lanthanoid phosphors Emerging Cross-Sectional Technologies 12 Expired
US6572785B2 Plasma picture screen with red phosphor Electricity 9 Expired
US9987499B2 UV radiation device Performing Operations; Transporting 9 Active
US6184618A Luminescent material Electricity 8 Expired
US6654079B2 Liquid crystal color display screen comprising a phosphor layer Physics 8 Expired
US7611641B2 Illumination system comprising a radiation source and a fluorescent material Electricity 8 Expired
US6559598B2 Plasma picture screen with UV light emitting layer Electricity 8 Expired
US7591962B2 Low-pressure mercury vapor discharge lamp comprising UV-A phosphor Chemistry; Metallurgy 7 Expired
US7298077B2 Device for generating UV radiation Chemistry; Metallurgy 6 Expired
US6602617B1 Plasma picture screen with coated phosphor Emerging Cross-Sectional Technologies 6 Expired
US6600260B2 Gas discharge lamp with down conversion luminophore Electricity 5 Expired
US6208069A Low-pressure mercury discharge lamp for tanning Electricity 4 Expired

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