List of Cree Inc. patents

Patents where

Current Assignee

Name

Wolfspeed

Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 7943406 LED fabrication via ion implant isolation	Patent 7943406 was granted and assigned to Wolfspeed on May, 2011 by the United States Patent and Trademark Office.		Wolfspeed	United States Patent and Trademark Office	7943406	May 17, 2011
‌ US Patent 9062830 High efficiency solid state lamp and bulb	Patent 9062830 was granted and assigned to Wolfspeed on June, 2015 by the United States Patent and Trademark Office.		Wolfspeed	United States Patent and Trademark Office	9062830	June 23, 2015
‌ US Patent 7238560 Methods of fabricating nitride-based transistors with a cap layer and a recessed gate	Patent 7238560 was granted and assigned to Wolfspeed on July, 2007 by the United States Patent and Trademark Office.		Wolfspeed	United States Patent and Trademark Office	7238560	July 3, 2007
‌ US Patent 9057511 High efficiency solid state lamp and bulb	Patent 9057511 was granted and assigned to Wolfspeed on June, 2015 by the United States Patent and Trademark Office.		Wolfspeed	United States Patent and Trademark Office	9057511	June 16, 2015
‌ US Patent 10576585 Laser-assisted method for parting crystalline material	Patent 10576585 was granted and assigned to Wolfspeed on March, 2020 by the United States Patent and Trademark Office.	Wolfspeed	Wolfspeed	United States Patent and Trademark Office	10576585	March 3, 2020
‌ US Patent 10416377 Luminaire with controllable light emission	Patent 10416377 was granted and assigned to Wolfspeed on September, 2019 by the United States Patent and Trademark Office.	Wolfspeed	Wolfspeed	United States Patent and Trademark Office	10416377	September 17, 2019
‌ US Patent 7312474 Group III nitride based superlattice structures	Patent 7312474 was granted and assigned to Wolfspeed on December, 2007 by the United States Patent and Trademark Office.		Wolfspeed	United States Patent and Trademark Office	7312474	December 25, 2007
‌ US Patent 10562130 Laser-assisted method for parting crystalline material	Patent 10562130 was granted and assigned to Wolfspeed on February, 2020 by the United States Patent and Trademark Office.	Wolfspeed	Wolfspeed	United States Patent and Trademark Office	10562130	February 18, 2020
‌ US Patent 8637883 Low index spacer layer in LED devices	Patent 8637883 was granted and assigned to Wolfspeed on January, 2014 by the United States Patent and Trademark Office.		Wolfspeed	United States Patent and Trademark Office	8637883	January 28, 2014
‌ US Patent 9888546 Lighting fixture sensor network	Patent 9888546 was granted and assigned to Wolfspeed on February, 2018 by the United States Patent and Trademark Office.	Wolfspeed	Wolfspeed	United States Patent and Trademark Office	9888546	February 6, 2018
‌ US Patent 9024517 LED lamp with remote phosphor and diffuser configuration utilizing red emitters	Patent 9024517 was granted and assigned to Wolfspeed on May, 2015 by the United States Patent and Trademark Office.		Wolfspeed	United States Patent and Trademark Office	9024517	May 5, 2015
‌ US Patent 10164158 Molded chip fabrication method and apparatus	Patent 10164158 was granted and assigned to Wolfspeed on December, 2018 by the United States Patent and Trademark Office.		Wolfspeed	United States Patent and Trademark Office	10164158	December 25, 2018
‌ US Patent 9105817 Molded chip fabrication method and apparatus	Patent 9105817 was granted and assigned to Wolfspeed on August, 2015 by the United States Patent and Trademark Office.	Wolfspeed	Wolfspeed	United States Patent and Trademark Office	9105817	August 11, 2015
‌ US Patent 7598567 Power switching semiconductor devices including rectifying junction-shunts	Patent 7598567 was granted and assigned to Cree Inc. on October, 2009 by the United States Patent and Trademark Office.		Wolfspeed	United States Patent and Trademark Office	7598567	October 6, 2009
‌ US Patent 9012938 High reflective substrate of light emitting devices with improved light output	Patent 9012938 was granted and assigned to Wolfspeed on April, 2015 by the United States Patent and Trademark Office.		Wolfspeed	United States Patent and Trademark Office	9012938	April 21, 2015
‌ US Patent 7147715 Growth of ultra-high purity silicon carbide crystals in an ambient containing hydrogen	Patent 7147715 was granted and assigned to Wolfspeed on December, 2006 by the United States Patent and Trademark Office.		Wolfspeed	United States Patent and Trademark Office	7147715	December 12, 2006
‌ US Patent 8632196 LED lamp incorporating remote phosphor and diffuser with heat dissipation features	Patent 8632196 was granted and assigned to Wolfspeed on January, 2014 by the United States Patent and Trademark Office.		Wolfspeed	United States Patent and Trademark Office	8632196	January 21, 2014
‌ US Patent 10009971 Lighting apparatus using multiple LED strings with current mirror circuitry and methods of operating same	Patent 10009971 was granted and assigned to Wolfspeed on June, 2018 by the United States Patent and Trademark Office.	Wolfspeed	Wolfspeed	United States Patent and Trademark Office	10009971	June 26, 2018
‌ US Patent 9625636 Optical waveguide bodies and luminaires utilizing same	Patent 9625636 was granted and assigned to Wolfspeed on April, 2017 by the United States Patent and Trademark Office.	Wolfspeed	Wolfspeed	United States Patent and Trademark Office	9625636	April 18, 2017
‌ US Patent 8686429 LED structure with enhanced mirror reflectivity	Patent 8686429 was granted and assigned to Wolfspeed on April, 2014 by the United States Patent and Trademark Office.		Wolfspeed	United States Patent and Trademark Office	8686429	April 1, 2014
‌ US Patent 7518451 High efficiency switch-mode power amplifier	Patent 7518451 was granted and assigned to Cree Inc. on April, 2009 by the United States Patent and Trademark Office.		Wolfspeed	United States Patent and Trademark Office	7518451	April 14, 2009
‌ US Patent 7432142 Methods of fabricating nitride-based transistors having regrown ohmic contact regions	Patent 7432142 was granted and assigned to Wolfspeed on October, 2008 by the United States Patent and Trademark Office.		Wolfspeed	United States Patent and Trademark Office	7432142	October 7, 2008
‌ US Patent 7420222 Light emitting diodes including transparent oxide layers	Patent 7420222 was granted and assigned to Cree Inc. on September, 2008 by the United States Patent and Trademark Office.		Wolfspeed	United States Patent and Trademark Office	7420222	September 2, 2008
‌ US Patent 7875910 Integrated nitride and silicon carbide-based devices	Patent 7875910 was granted and assigned to Wolfspeed on January, 2011 by the United States Patent and Trademark Office.		Wolfspeed	United States Patent and Trademark Office	7875910	January 25, 2011
‌ US Patent 8975827 Lighting fixture for distributed control	Patent 8975827 was granted and assigned to Wolfspeed on March, 2015 by the United States Patent and Trademark Office.	Wolfspeed	Wolfspeed	United States Patent and Trademark Office	8975827	March 10, 2015

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