Inventor · Northfield, OH, US

Fangming Du

28Patents
5h-index
30Co-inventors
65Inventor score

Filing activity: Mar 11, 2003 → Aug 9, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US7265175B2 Flame retardant nanocomposite Chemistry; Metallurgy 34 Expired
US7285591B2 Polymer-nanotube composites, fibers, and processes Chemistry; Metallurgy 19 Expired
US7148269B2 Interfacial polymer incorporation of nanotubes Emerging Cross-Sectional Technologies 16 Expired
US9388336B2 Processes for preparing color stable manganese-doped complex fluoride phosphors Emerging Cross-Sectional Technologies 14 Active
US10793773B2 Color stable red-emitting phosphors Electricity 11 Active
US9868898B2 Processes for preparing color stable red-emitting phosphors Electricity 2 Active
US9537061B2 Phosphor compositions and lighting apparatus thereof Emerging Cross-Sectional Technologies 2 Active
US10047286B2 Color stable red-emitting phosphors Electricity 2 Active
US9269559B1 Compositions and methods for modifying lumen maintenance characteristics of phosphor-containing coatings Chemistry; Metallurgy 1 Active
US10072206B2 Processes for preparing color stable red-emitting phosphors Chemistry; Metallurgy 1 Active
US9018830B2 Strontium phosphor blends having high CRI Electricity 1 Active
US8461753B2 Fluorescent lamp with multi-layer phosphor coating Electricity 1 Active
US7759413B2 Dispersion method Chemistry; Metallurgy 1 Active
US9605199B1 Oxy-bromide phosphors and uses thereof Electricity 1 Active
US9142397B2 High color rendering index fluorescent lamp with multi-layer phosphor coating Electricity 1 Active
US8866372B2 Phosphor system for improved efficacy lighting sources Electricity 0 Active
US9404034B2 Coating systems and fluorescent lamps provided therewith Electricity 0 Active
US8704438B2 Lamp with phosphor composition for improved lumen performance, and method for making same Electricity 0 Active
US11060023B2 Coated manganese doped phosphors Chemistry; Metallurgy 0 Active
US9633830B2 Phosphor-containing coating systems and fluorescent lamps equipped therewith Electricity 0 Active
US9117650B2 Fluorescent lamp with high color rendering index and coating systems therefor Electricity 0 Active
US9890328B2 Phosphor compositions and lighting apparatus thereof Physics 0 Active
US10563121B2 Red-emitting phosphors and associated devices Electricity 0 Active
US8987984B2 Fluorescent lamp including phosphor composition with special BAMn phosphor, (Ba,Sr,Ca)(Mg1-x Mnx)Al10O17:Eu2+ Electricity 0 Active
US10883045B2 Phosphor materials including fluidization materials for light sources Electricity 0 Active

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