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Joseph John Sumakeris
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Apex, NC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Reduction of carrot defects in silicon carbide epitaxy
Patent number
9,903,046
Issue date
Feb 27, 2018
Cree, Inc.
Michael John O'Loughlin
C30 - CRYSTAL GROWTH
Information
Patent Grant
High power silicon carbide (SiC) PiN diodes having low forward volt...
Patent number
9,455,356
Issue date
Sep 27, 2016
Cree, Inc.
Mrinal Das
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Methods for controllably induction heating an article
Patent number
9,155,131
Issue date
Oct 6, 2015
Cree, Inc.
Joseph John Sumakeris
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Stable power devices on low-angle off-cut silicon carbide crystals
Patent number
8,536,582
Issue date
Sep 17, 2013
Cree, Inc.
Qingchun Zhang
C30 - CRYSTAL GROWTH
Information
Patent Grant
Deposition systems and susceptor assemblies for depositing a film o...
Patent number
8,430,960
Issue date
Apr 30, 2013
Cree, Inc.
Joseph John Sumakeris
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Directed reagents to improve material uniformity
Patent number
8,052,794
Issue date
Nov 8, 2011
The United States of America as represented by the Secretary of the Navy
Joseph John Sumakeris
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Minimizing degradation of SiC bipolar semiconductor devices
Patent number
7,880,171
Issue date
Feb 1, 2011
Cree, Inc.
Joseph J. Sumakeris
C30 - CRYSTAL GROWTH
Information
Patent Grant
Minimizing degradation of SiC bipolar semiconductor devices
Patent number
7,427,326
Issue date
Sep 23, 2008
Cree, Inc.
Joseph J. Sumakeris
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Housing assembly for an induction heating device including liner or...
Patent number
7,390,367
Issue date
Jun 24, 2008
Cree, Inc.
Joseph John Sumakeris
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method to reduce stacking fault nucleation sites and reduce Vf dri...
Patent number
7,279,115
Issue date
Oct 9, 2007
Cree, Inc.
Joseph John Sumakeris
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Reduction of carrot defects in silicon carbide epitaxy
Patent number
7,230,274
Issue date
Jun 12, 2007
Cree, Inc.
Michael John O'Loughlin
C30 - CRYSTAL GROWTH
Information
Patent Grant
Sequential lithographic methods to reduce stacking fault nucleation...
Patent number
7,226,805
Issue date
Jun 5, 2007
Cree, Inc.
Christer Hallin
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Methods for controlling formation of deposits in a deposition syste...
Patent number
7,118,781
Issue date
Oct 10, 2006
Cree, Inc.
Joseph John Sumakeris
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Silicon carbide semiconductor structures including multiple epitaxi...
Patent number
7,109,521
Issue date
Sep 19, 2006
Cree, Inc.
Christer Hallin
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method to reduce stacking fault nucleation sites and reduce forward...
Patent number
7,018,554
Issue date
Mar 28, 2006
Cree, Inc.
Joseph John Sumakeris
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Methods of forming power semiconductor devices using boule-grown si...
Patent number
6,974,720
Issue date
Dec 13, 2005
Cree, Inc.
Joseph John Sumakeris
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Induction heating devices and methods for controllably heating an a...
Patent number
6,896,738
Issue date
May 24, 2005
Cree, Inc.
Joseph John Sumakeris
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Minimizing degradation of SiC bipolar semiconductor devices
Patent number
6,849,874
Issue date
Feb 1, 2005
Cree, Inc.
Joseph J. Sumakeris
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gas driven planetary rotation apparatus and methods for forming sil...
Patent number
6,797,069
Issue date
Sep 28, 2004
Cree, Inc.
Michael James Paisley
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Silicon carbide inversion channel mosfets
Patent number
6,653,659
Issue date
Nov 25, 2003
Cree, Inc.
Sei-Hyung Ryu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gas-driven rotation apparatus and method for forming silicon carbid...
Patent number
6,569,250
Issue date
May 27, 2003
Cree, Inc.
Michael Paisley
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Susceptor designs for silicon carbide thin films
Patent number
6,530,990
Issue date
Mar 11, 2003
Cree, Inc.
Hua-Shuang Kong
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Methods of fabricating silicon carbide inversion channel devices wi...
Patent number
6,429,041
Issue date
Aug 6, 2002
Cree, Inc.
Sei-Hyung Ryu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Susceptor designs for silicon carbide thin films
Patent number
6,217,662
Issue date
Apr 17, 2001
Cree, Inc.
Hua-Shuang Kong
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
Information
Patent Application
DIRECTED REAGENTS TO IMPROVE MATERIAL UNIFORMITY
Publication number
20120052660
Publication date
Mar 1, 2012
Cree, Inc.
Joseph John SUMAKERIS
C30 - CRYSTAL GROWTH
Information
Patent Application
STABLE POWER DEVICES ON LOW-ANGLE OFF-CUT SILICON CARBIDE CRYSTALS
Publication number
20100133550
Publication date
Jun 3, 2010
Qingchun Zhang
C30 - CRYSTAL GROWTH
Information
Patent Application
Methods for Controllably Induction Heating an Article
Publication number
20090136686
Publication date
May 28, 2009
Cree, Inc.
Joseph John Sumakeris
C30 - CRYSTAL GROWTH
Information
Patent Application
Susceptor Designs for Silicon Carbide Thin Films
Publication number
20080257262
Publication date
Oct 23, 2008
Cree, Inc.
Hua-Shuang Kong
C30 - CRYSTAL GROWTH
Information
Patent Application
HOUSING ASSEMBLY FOR AN INDUCTION HEATING DEVICE INCLUDING LINER OR...
Publication number
20080127894
Publication date
Jun 5, 2008
Joseph John Sumakeris
C30 - CRYSTAL GROWTH
Information
Patent Application
REDUCTION OF CARROT DEFECTS IN SILICON CARBIDE EPITAXY
Publication number
20080054412
Publication date
Mar 6, 2008
Cree, Inc.
Michael John O'Loughlin
C30 - CRYSTAL GROWTH
Information
Patent Application
METHOD TO REDUCE STACKING FAULT NUCLEATION SITES AND REDUCE VF DRIF...
Publication number
20070221614
Publication date
Sep 27, 2007
Joseph John Sumakeris
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
High power silicon carbide (SiC) PiN diodes having low forward volt...
Publication number
20070200115
Publication date
Aug 30, 2007
Cree, Inc.
Mrinal Das
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Minimizing Degradation of SiC Bipolar Semiconductor Devices
Publication number
20070117336
Publication date
May 24, 2007
Cree, Inc.
Joseph J. Sumakeris
C30 - CRYSTAL GROWTH
Information
Patent Application
REDUCTION OF CARROT DEFECTS IN SILICON CARBIDE EPITAXY
Publication number
20070108450
Publication date
May 17, 2007
Michael John O'Loughlin
C30 - CRYSTAL GROWTH
Information
Patent Application
Deposition systems and susceptor assemblies for depositing a film o...
Publication number
20070101939
Publication date
May 10, 2007
Cree, Inc.
Joseph John Sumakeris
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Directed reagents to improve material uniformity
Publication number
20070065577
Publication date
Mar 22, 2007
Joseph John Sumakeris
C30 - CRYSTAL GROWTH
Information
Patent Application
Sequential Lithographic Methods to Reduce Stacking Fault Nucleation...
Publication number
20060243985
Publication date
Nov 2, 2006
Cree, Inc.
Christer Hallin
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHODS FOR CONTROLLING FORMATION OF DEPOSITS IN A DEPOSITION SYSTE...
Publication number
20060216416
Publication date
Sep 28, 2006
Joseph John Sumakeris
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Sequential lithographic methods to reduce stacking fault nucleation...
Publication number
20050205872
Publication date
Sep 22, 2005
Christer Hallin
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Minimizing degradation of SiC bipolar semiconductor devices
Publication number
20050116234
Publication date
Jun 2, 2005
Joseph J. Sumakeris
C30 - CRYSTAL GROWTH
Information
Patent Application
Minimizing degradation of SiC bipolar semiconductor devices
Publication number
20050118746
Publication date
Jun 2, 2005
Joseph J. Sumakeris
C30 - CRYSTAL GROWTH
Information
Patent Application
Methods of forming power semiconductor devices using boule-grown si...
Publication number
20050082542
Publication date
Apr 21, 2005
Joseph John Sumakeris
C30 - CRYSTAL GROWTH
Information
Patent Application
Method To Reduce Stacking Fault Nucleation Sites And Reduce Forward...
Publication number
20050064723
Publication date
Mar 24, 2005
Cree, Inc.
Joseph John Sumakeris
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Gas driven planetary rotation apparatus and methods for forming sil...
Publication number
20030188687
Publication date
Oct 9, 2003
Michael James Paisley
C30 - CRYSTAL GROWTH
Information
Patent Application
Minimizing degradation of SiC bipolar semiconductor devices
Publication number
20030080842
Publication date
May 1, 2003
Joseph J. Sumakeris
C30 - CRYSTAL GROWTH
Information
Patent Application
Induction heating devices and methods for controllably heating an a...
Publication number
20030079689
Publication date
May 1, 2003
Joseph John Sumakeris
C30 - CRYSTAL GROWTH
Information
Patent Application
Silicon carbide inversion channel mosfets
Publication number
20020149022
Publication date
Oct 17, 2002
Sei-Hyung Ryu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Gas-driven rotation apparatus and method for forming silicon carbid...
Publication number
20020090454
Publication date
Jul 11, 2002
Michael Paisley
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Susceptor designs for silicon carbide thin films
Publication number
20010009141
Publication date
Jul 26, 2001
Hua-Shuang Kong
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...