Patent assignee · US · COMPANY

Cree, Inc.

2,339Patents
1,949Active
2,339Granted
65Portfolio score

Filing activity: Apr 15, 1996 → Aug 31, 2020 · 773 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US8372204B2 Susceptor for MOCVD reactor Electricity 529 Active
US7009199B2 Electronic devices having a header and antiparallel connected light emitting diodes for producing light from AC current Electricity 391 Expired
US6791119B2 Light emitting diodes including modifications for light extraction Electricity 387 Expired
US6120600A Double heterojunction light emitting diode with gallium nitride active layer Electricity 377 Expired
US6201262A Group III nitride photonic devices on silicon carbide substrates with conductive buffer interlay structure Electricity 354 Expired
US6217662A Susceptor designs for silicon carbide thin films Chemistry; Metallurgy 330 Expired
US6316793A Nitride based transistors on semi-insulating silicon carbide substrates Electricity 326 Expired
US7122844B2 Susceptor for MOCVD reactor Electricity 309 Expired
US7564180B2 Light emission device and method utilizing multiple emitters and multiple phosphors Emerging Cross-Sectional Technologies 288 Expired
US6187606A Group III nitride photonic devices on silicon carbide substrates with conductive buffer interlayer structure Electricity 285 Expired
US7005679B2 Multiple component solid state white light Emerging Cross-Sectional Technologies 283 Expired
US6548333B2 Aluminum gallium nitride/gallium nitride high electron mobility transistors having a gate contact on a gallium nitride based cap segment Electricity 255 Expired
US7238560B2 Methods of fabricating nitride-based transistors with a cap layer and a recessed gate Electricity 237 Expired
US6958497B2 Group III nitride based light emitting diode structures with a quantum well and superlattice, group III nitride based quantum well structures and group III nitride based superlattice structures Performing Operations; Transporting 229 Expired
US7226805B2 Sequential lithographic methods to reduce stacking fault nucleation sites Emerging Cross-Sectional Technologies 226 Active
US6849882B2 Group-III nitride based high electron mobility transistor (HEMT) with barrier/spacer layer Electricity 211 Expired
US6821804B2 Enhanced light extraction in LEDs through the use of internal and external optical elements Emerging Cross-Sectional Technologies 206 Expired
US6853010B2 Phosphor-coated light emitting diodes including tapered sidewalls, and fabrication methods therefor Electricity 206 Expired
US7821023B2 Solid state lighting component Electricity 200 Active
US7910945B2 Nickel tin bonding system with barrier layer for semiconductor wafers and devices Electricity 198 Active
US7118262B2 Reflective optical elements for semiconductor light emitting devices Emerging Cross-Sectional Technologies 197 Expired
US6979863B2 Silicon carbide MOSFETs with integrated antiparallel junction barrier Schottky free wheeling diodes and methods of fabricating the same Electricity 197 Expired
US7919791B2 Doped group III-V nitride materials, and microelectronic devices and device precursor structures comprising same Electricity 190 Expired
US6218680A Semi-insulating silicon carbide without vanadium domination Chemistry; Metallurgy 183 Expired
US7456499B2 Power light emitting die package with reflecting lens and the method of making the same Electricity 171 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.