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Robert Stephen Wrathall
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Scotts Valley, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Electrical circuits for power factor correction by measurement and...
Patent number
11,637,493
Issue date
Apr 25, 2023
Robert S. Wrathall
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electrical circuits for power factor correction by measurement and...
Patent number
11,552,554
Issue date
Jan 10, 2023
Robert S. Wrathall
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electrical circuits for power factor correction by measurement and...
Patent number
10,998,815
Issue date
May 4, 2021
Robert S. Wrathall
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Systems for controlling high frequency voltage mode switching regul...
Patent number
9,397,570
Issue date
Jul 19, 2016
ADVANCED ANALOGIC TECHNOLOGIES INCORPORATED
Robert Stephen Wrathall
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Switching regulator with reduced body diode conduction
Patent number
9,350,236
Issue date
May 24, 2016
Advanced Analogic Technologies Incorporated
Kevin Peter D'Angelo
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method for generating an internal compensation network of a pole an...
Patent number
8,896,281
Issue date
Nov 25, 2014
Advanced Analogic Technologies Incorporated
Robert Wrathall
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method for reducing body diode conduction in NMOS synchronous recti...
Patent number
8,803,494
Issue date
Aug 12, 2014
Advanced Analogic Technologies Incorporated
Kevin D'Angelo
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Boost-buck power factor correction
Patent number
8,619,442
Issue date
Dec 31, 2013
Robert S. Wrathall
G05 - CONTROLLING REGULATING
Information
Patent Grant
Systems and methods for high speed power factor correction
Patent number
8,542,503
Issue date
Sep 24, 2013
Robert Stephen Wrathall
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Reverse current comparator for switching regulators
Patent number
8,482,270
Issue date
Jul 9, 2013
Advanced Analogic Technologies Incorporated
Robert Stephen Wrathall
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Reverse current comparator circuit and method for switching regulators
Patent number
8,354,831
Issue date
Jan 15, 2013
Advanced Analogic Technologies, Inc.
Robert Wrathall
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power factor correction by measurement and removal of overtones
Patent number
8,018,744
Issue date
Sep 13, 2011
Robert S. Wrathall
G05 - CONTROLLING REGULATING
Information
Patent Grant
Power factor correction by measurement and removal of overtones
Patent number
7,719,862
Issue date
May 18, 2010
Robert S. Wrathall
G05 - CONTROLLING REGULATING
Information
Patent Grant
Load sensing circuit for a power MOSFET switch
Patent number
6,809,560
Issue date
Oct 26, 2004
Micrel, Inc.
Robert S. Wrathall
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Amplifier circuit for adding a laplace transform zero in a linear i...
Patent number
6,737,841
Issue date
May 18, 2004
Micrel, Inc.
Robert S. Wrathall
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Error amplifier circuit
Patent number
6,724,257
Issue date
Apr 20, 2004
Micrel, Inc.
Robert S. Wrathall
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Adding a laplace transform zero to a linear integrated circuit for...
Patent number
6,424,132
Issue date
Jul 23, 2002
Micrel, Incorporated
Robert S. Wrathall
G05 - CONTROLLING REGULATING
Information
Patent Grant
Selective substrate implant process for decoupling analog and digit...
Patent number
6,395,591
Issue date
May 28, 2002
Micrel, Incorporated
Stephen McCormack
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gate driver circuit for high and low side switches with primary and...
Patent number
6,307,409
Issue date
Oct 23, 2001
Micrel, Incorporated
Robert S. Wrathall
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Adding a laplace transform zero to a linear integrated circuit for...
Patent number
6,304,067
Issue date
Oct 16, 2001
Micrel, Incorporated
Robert S. Wrathall
G05 - CONTROLLING REGULATING
Information
Patent Grant
Compact low dropout voltage regulator using enhancement and depleti...
Patent number
6,005,378
Issue date
Dec 21, 1999
Impala Linear Corporation
Kevin P. D'Angelo
G05 - CONTROLLING REGULATING
Information
Patent Grant
Temperature monitoring circuit with thermal hysteresis
Patent number
6,002,244
Issue date
Dec 14, 1999
Impala Linear Corporation
Robert S. Wrathall
G05 - CONTROLLING REGULATING
Information
Patent Grant
Step-up/step-down voltage regulator using an MOS synchronous rectifier
Patent number
5,929,615
Issue date
Jul 27, 1999
Impala Linear Corporation
Kevin P. D'Angelo
G05 - CONTROLLING REGULATING
Information
Patent Grant
Voltage regulator having error and transconductance amplifiers to d...
Patent number
5,889,393
Issue date
Mar 30, 1999
Impala Linear Corporation
Robert S. Wrathall
G05 - CONTROLLING REGULATING
Information
Patent Grant
Method of forming electrostatic discharge protection device for int...
Patent number
5,877,534
Issue date
Mar 2, 1999
Siliconix Incorporated
Richard K. Williams
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Current sense circuit having multiple pilot and reference transistors
Patent number
5,867,014
Issue date
Feb 2, 1999
Impala Linear Corporation
Robert S. Wrathall
G05 - CONTROLLING REGULATING
Information
Patent Grant
Method for forming electrostatic discharge protection device for in...
Patent number
5,677,205
Issue date
Oct 14, 1997
Siliconix Incorporated
Richard K. Williams
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electrostatic discharge protection device for integrated circuit
Patent number
5,654,574
Issue date
Aug 5, 1997
Siliconix Incorporated
Richard K. Williams
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Band gap voltage compensation circuit
Patent number
5,596,265
Issue date
Jan 21, 1997
Siliconix Incorporated
Robert S. Wrathall
G05 - CONTROLLING REGULATING
Information
Patent Grant
Voltage regulator having improved stability
Patent number
5,559,424
Issue date
Sep 24, 1996
Siliconix Incorporated
Robert S. Wrathall
G05 - CONTROLLING REGULATING
Patents Applications
last 30 patents
Information
Patent Application
Systems and Methods of Unwanted Harmonic Content Removal for Power...
Publication number
20230208284
Publication date
Jun 29, 2023
Robert S. Wrathall
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ELECTRICAL CIRCUITS FOR POWER FACTOR CORRECTION BY MEASUREMENT AND...
Publication number
20220166307
Publication date
May 26, 2022
Robert S. Wrathall
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ELECTRICAL CIRCUITS FOR POWER FACTOR CORRECTION BY MEASUREMENT AND...
Publication number
20220166306
Publication date
May 26, 2022
Robert S. Wrathall
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SYSTEMS FOR CONTROLLING HIGH FREQUENCY VOLTAGE MODE SWITCHING REGUL...
Publication number
20150015221
Publication date
Jan 15, 2015
ADVANCED ANALOGIC TECHNOLOGIES INCORPORATED
Robert Stephen Wrathall
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SWITCHING REGULATOR WITH REDUCED BODY DIODE CONDUCTION
Publication number
20140333272
Publication date
Nov 13, 2014
ADVANCED ANALOGIC TECHNOLOGIES INCORPORATED
Kevin D'Angelo
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
USING POWER FACTOR CONTROL TO OPTIMIZE POWER GENERATION AND ALLOCATION
Publication number
20140071723
Publication date
Mar 13, 2014
Robert S. Wrathall
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Systems and Methods for High Speed Power Factor Correction
Publication number
20120195082
Publication date
Aug 2, 2012
Robert Stephen Wrathall
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
BOOST-BUCK POWER FACTOR CORRECTION
Publication number
20120044725
Publication date
Feb 23, 2012
Robert S. Wrathall
G05 - CONTROLLING REGULATING
Information
Patent Application
Method for Generating an Internal Compensation Network of a Pole an...
Publication number
20090206808
Publication date
Aug 20, 2009
Advanced Analogic Technologies, Inc.
Robert Wrathall
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method for Reducing Body Diode Conduction in NMOS Synchronous Recti...
Publication number
20080253152
Publication date
Oct 16, 2008
Advanced Analogic Technologies, Inc.
Kevin D'Angelo
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Power factor correction by measurement and removal of overtones
Publication number
20080246445
Publication date
Oct 9, 2008
Robert S. Wrathall
G05 - CONTROLLING REGULATING
Information
Patent Application
Reverse Current Comparator Circuit and Method for Switching Regulators
Publication number
20080197827
Publication date
Aug 21, 2008
Advanced Analogic Technologies, Inc.
Robert Wrathall
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Reverse Current Comparator for Switching Regulators
Publication number
20070257651
Publication date
Nov 8, 2007
Advanced Analogic Technologies, Inc.
Robert Stephen Wrathall
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Error amplifier circuit
Publication number
20040021518
Publication date
Feb 5, 2004
Robert S. Wrathall
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
AMPLIFIER CIRCUIT FOR ADDING A LAPLACE TRANSFORM ZERO IN A LINEAR I...
Publication number
20040021450
Publication date
Feb 5, 2004
Robert S. Wrathall
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ADDING A LAPLACE TRANSFORM ZERO TO LINEAR INTEGRATED CIRCUIT FOR FR...
Publication number
20020093321
Publication date
Jul 18, 2002
Robert S. Wrathall
G05 - CONTROLLING REGULATING