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Inventor

Fangming Du

Inventor
Northfield, OH, US

Overview

25→
Patents
2006–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 25 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere28%
H01JElectric discharge tubes or discharge lamps14%
H01LSemiconductor devices11%
H10HInorganic light-emitting semiconductor devices having potential barriers11%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%
B82YSpecific uses or applications of nanostructures6%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications3%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form1%
PatentTitleYear
10,851,293Phosphor materials for light sources and method for manufacturing the same202010,793,773Color stable red-emitting phosphors202010,563,121Red-emitting phosphors and associated devices202010,072,206Processes for preparing color stable red-emitting phosphors201810,047,286Color stable red-emitting phosphors20189,938,457Methods for fabricating devices containing red line emitting phosphors20189,890,328'Phosphor compositions and lighting apparatus thereof'20189,868,898'Processes for preparing color stable red-emitting phosphors'20189,633,830'Phosphor-containing coating systems and fluorescent lamps equipped therewith'20179,605,199'Oxy-bromide phosphors and uses thereof'20179,537,061'Phosphor compositions and lighting apparatus thereof'20179,404,034'Coating systems and fluorescent lamps provided therewith'20169,388,336'Processes for preparing color stable manganese-doped complex fluoride phosphors'20169,269,559'Compositions and methods for modifying lumen maintenance characteristics of phosphor-containing coatings'20169,142,397'High color rendering index fluorescent lamp with multi-layer phosphor coating'20159,117,650'Fluorescent lamp with high color rendering index and coating systems therefor'20159,018,830'Strontium phosphor blends having high CRI'20158,987,984'Fluorescent lamp including phosphor composition with special BAMn phosphor, (Ba,Sr,Ca)(Mg1-x Mnx)Al10O17:Eu2+'20158,866,372'Phosphor system for improved efficacy lighting sources'20148,704,438'Lamp with phosphor composition for improved lumen performance, and method for making same'20148,461,753'Fluorescent lamp with multi-layer phosphor coating'20137,759,413'Dispersion method'20107,285,591'Polymer-nanotube composites, fibers, and processes'20077,265,175'Flame retardant nanocomposite'20077,148,269'Interfacial polymer incorporation of nanotubes'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2010Patents assigned to UNIV PENNSYLVANIA (4)· patent assignee history
2006–2010Based in Upper Darby, PA, US· patent location history
2013–2020Patents assigned to GEN ELECTRIC (19)· patent assignee history
2013–2015Patents assigned to BEERS WILLIAM WINDER (4)· patent assignee history
2013–2015Patents assigned to DU FANGMING (4)· patent assignee history
2013–2020Based in Northfield, OH, US· patent location history
2014–2015Patents assigned to COHEN WILLIAM ERWIN (3)· patent assignee history
2016–2017Based in Cleveland, OH, US· patent location history
2017–2018Based in Hudson, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN ELECTRIC192013–2020
BEERS WILLIAM WINDER42013–2015
DU FANGMINGself42013–2015
UNIV PENNSYLVANIA42006–2010
COHEN WILLIAM ERWIN32014–2015
Locations
LocationPatentsSpan
Northfield, OH, US132013–2020
Hudson, OH, US62017–2018
Upper Darby, Pennsylvania, US42006–2010
Cleveland, OH, US22016–2017