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Joseph A. Smart
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Auburn, NY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Thick pseudomorphic nitride epitaxial layers
Patent number
10,446,391
Issue date
Oct 15, 2019
Crystal IS, Inc.
James R. Grandusky
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for producing large, single-crystals of alumin...
Patent number
9,970,127
Issue date
May 15, 2018
Crystal IS, Inc.
Leo Schowalter
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method and apparatus for producing large, single-crystals of alumin...
Patent number
9,447,521
Issue date
Sep 20, 2016
Crystal IS, Inc.
Leo Schowalter
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Thick pseudomorphic nitride epitaxial layers
Patent number
9,437,430
Issue date
Sep 6, 2016
Crystal IS, Inc.
Leo J. Schowalter
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for producing large, single-crystals of alumin...
Patent number
8,896,020
Issue date
Nov 25, 2014
Crystal IS, Inc.
Leo Schowalter
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method and apparatus for producing large, single-crystals of alumin...
Patent number
8,545,629
Issue date
Oct 1, 2013
Crystal IS, Inc.
Leo J. Schowalter
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Nitride semiconductor heterostructures and related methods
Patent number
8,222,650
Issue date
Jul 17, 2012
Crystal IS, Inc.
Leo J. Schowalter
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thick pseudomorphic nitride epitaxial layers
Patent number
8,080,833
Issue date
Dec 20, 2011
Crystal IS, Inc.
James R. Grandusky
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High voltage GaN-based transistor structure
Patent number
7,968,391
Issue date
Jun 28, 2011
RF Micro Devices, Inc.
Joseph Smart
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride semiconductor heterostructures and related methods
Patent number
7,638,346
Issue date
Dec 29, 2009
Crystal IS, Inc.
Leo J. Schowalter
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High voltage GaN-based transistor structure
Patent number
7,459,356
Issue date
Dec 2, 2008
RF Micro Devices, Inc.
Joseph Smart
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Surface passivation of GaN devices in epitaxial growth chamber
Patent number
7,408,182
Issue date
Aug 5, 2008
RF Micro Devices, Inc.
Joseph Smart
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Single step, high temperature nucleation process for a lattice mism...
Patent number
7,250,360
Issue date
Jul 31, 2007
Cornell Research Foundation, Inc.
James R. Shealy
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Surface passivation of GaN devices in epitaxial growth chamber
Patent number
7,052,942
Issue date
May 30, 2006
RF Micro Devices, Inc.
Joseph Smart
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Epitaxy/substrate release layer
Patent number
7,033,961
Issue date
Apr 25, 2006
RF Micro Devices, Inc.
Joseph Smart
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High voltage GaN-based transistor structure
Patent number
7,026,665
Issue date
Apr 11, 2006
RF Micro Devices, Inc.
Joseph Smart
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Single step process for epitaxial lateral overgrowth of nitride bas...
Patent number
6,478,871
Issue date
Nov 12, 2002
Cornell Research Foundation, Inc.
James R. Shealy
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
THICK PSEUDOMORPHIC NITRIDE EPITAXIAL LAYERS
Publication number
20200058491
Publication date
Feb 20, 2020
Crystal IS, Inc.
James R. Grandusky
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD AND APPARATUS FOR PRODUCING LARGE, SINGLE-CRYSTALS OF ALUMIN...
Publication number
20170159207
Publication date
Jun 8, 2017
Crystal IS, Inc.
Leo Schowalter
C30 - CRYSTAL GROWTH
Information
Patent Application
SEMICONDUCTOR DEVICES WITH IMPROVED RELIABILITY AND OPERATING LIFE...
Publication number
20150279945
Publication date
Oct 1, 2015
ELEMENT SIX TECHNOLOGIES US CORPORATION
Daniel Francis
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD AND APPARATUS FOR PRODUCING LARGE, SINGLE-CRYSTALS OF ALUMIN...
Publication number
20150079329
Publication date
Mar 19, 2015
Crystal IS, Inc.
Leo Schowalter
C30 - CRYSTAL GROWTH
Information
Patent Application
METHOD AND APPARATUS FOR PRODUCING LARGE, SINGLE-CRYSTALS OF ALUMIN...
Publication number
20140061666
Publication date
Mar 6, 2014
Leo Schowalter
C30 - CRYSTAL GROWTH
Information
Patent Application
THICK PSEUDOMORPHIC NITRIDE EPITAXIAL LAYERS
Publication number
20120104355
Publication date
May 3, 2012
James R. Grandusky
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
THICK PSEUDOMORPHIC NITRIDE EPITAXIAL LAYERS
Publication number
20100264460
Publication date
Oct 21, 2010
James R. Grandusky
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NITRIDE SEMICONDUCTOR HETEROSTRUCTURES AND RELATED METHODS
Publication number
20100135349
Publication date
Jun 3, 2010
Crystal IS, Inc.
Leo J. Schowalter
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NITRIDE SEMICONDUCTOR HETEROSTRUCTURES AND RELATED METHODS
Publication number
20090283028
Publication date
Nov 19, 2009
Crystal IS, Inc.
Leo J. Schowalter
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Thick Pseudomorphic Nitride Epitaxial Layers
Publication number
20080187016
Publication date
Aug 7, 2008
Leo J. Schowalter
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method and apparatus for producing large, single-crystals of alumin...
Publication number
20070101932
Publication date
May 10, 2007
Crystal IS, Inc.
Leo J. Schowalter
C30 - CRYSTAL GROWTH
Information
Patent Application
Single step, high temperature nucleation process for a lattice mism...
Publication number
20060199364
Publication date
Sep 7, 2006
James R. Shealy
H01 - BASIC ELECTRIC ELEMENTS