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Allen Chang
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Fremont, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Fault tolerant power supply incorporating intelligent load switch t...
Patent number
9,846,469
Issue date
Dec 19, 2017
Alpha and Omega Semiconductor Incorporated
Mark Tomas
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Fault tolerant power supply incorporating intelligent gate driver-s...
Patent number
9,705,395
Issue date
Jul 11, 2017
Alpha and Omega Semiconductor Incorporated
Mark Tomas
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Switching regulator with adaptive PWM/PFM modulator
Patent number
9,401,637
Issue date
Jul 26, 2016
Alpha and Omega Semiconductor Incorporated
Zhinan Wei
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Fault tolerant power supply incorporating intelligent load switch t...
Patent number
9,367,111
Issue date
Jun 14, 2016
Alpha and Omega Semiconductor Incorporated
Mark Tomas
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Fault tolerant power supply incorporating intelligent gate driver-s...
Patent number
9,106,075
Issue date
Aug 11, 2015
Alpha and Omega Semiconductor Incorporated
Mark Tomas
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Boost converter with integrated high power discrete FET and low vol...
Patent number
8,823,337
Issue date
Sep 2, 2014
Alpha and Omega Semiconductor Incorporated
Allen Chang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
High voltage and high power boost converter with co-packaged Schott...
Patent number
8,643,160
Issue date
Feb 4, 2014
Alpha and Omega Semiconductor Incorporated
Allen Chang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Flexible low current oscillator for multiphase operations
Patent number
8,610,509
Issue date
Dec 17, 2013
Alpha and Omega Semiconductor Incorporated
Behzad Mohtashemi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Boost converter with integrated high power discrete FET and low vol...
Patent number
8,456,141
Issue date
Jun 4, 2013
Alpha & Omega Semiconductor, Inc.
Allen Chang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Stacked-die package for battery power management
Patent number
8,344,519
Issue date
Jan 1, 2013
Alpha and Omega Semiconductor Incorporated
Jun Lu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
High voltage and high power boost converter with co-packaged Schott...
Patent number
8,207,602
Issue date
Jun 26, 2012
Alpha and Omega Semiconductor Incorporated
Allen Chang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Multi-die DC-DC buck power converter with efficient packaging
Patent number
8,148,817
Issue date
Apr 3, 2012
Alpha & Omega Semiconductor, Inc.
François Hébert
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Use of discrete conductive layer in semiconductor device to re-rout...
Patent number
8,049,315
Issue date
Nov 1, 2011
Alpha & Omega Semiconductors, Ltd.
Jun Lu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Boost converter with integrated high power discrete FET and low vol...
Patent number
8,008,897
Issue date
Aug 30, 2011
Alpha and Omega Semiconductor, Ltd.
Allen Chang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Stacked-die package for battery power management
Patent number
7,898,092
Issue date
Mar 1, 2011
Alpha & Omega Semiconductor,
Jun Lu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Flexible low current oscillator for multiphase operations
Patent number
7,893,778
Issue date
Feb 22, 2011
Alpha and Omega Semiconductor Incorporated
Behzad Mohtashemi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Use of discrete conductive layer in semiconductor device to re-rout...
Patent number
7,884,454
Issue date
Feb 8, 2011
Alpha and Omega Semiconductor, Ltd.
Jun Lu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Multi mode modulator and method with improved dynamic load regulation
Patent number
7,872,546
Issue date
Jan 18, 2011
Alpha and Omega Semiconductor Incorporated
Behzad Mohtashemi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Multi-die DC-DC buck power converter with efficient packaging
Patent number
7,825,508
Issue date
Nov 2, 2010
Alpha Omega Semiconductor, Inc.
François Hébert
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High voltage and high power boost converter with co-packaged Schott...
Patent number
7,750,447
Issue date
Jul 6, 2010
Alpha and Omega Semiconductor, Ltd.
Allen Chang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Current limiting load switch with dynamically generated tracking re...
Patent number
7,728,655
Issue date
Jun 1, 2010
Alpha & Omega Semiconductor, Inc.
Kevin Ng
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Current limited bilateral MOSFET switch with reduced switch resista...
Patent number
7,457,092
Issue date
Nov 25, 2008
Alpha & Omega Semiconductor, LLD.
Allen Chang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
FAULT TOLERANT POWER SUPPLY INCORPORATING INTELLIGENT LOAD SWITCH T...
Publication number
20160259390
Publication date
Sep 8, 2016
ALPHA & OMEGA SEMICONDUCTOR INCORPORATED
Mark Tomas
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
FAULT TOLERANT POWER SUPPLY INCORPORATING INTELLIGENT GATE DRIVER-S...
Publication number
20150311780
Publication date
Oct 29, 2015
ALPHA & OMEGA SEMICONDUCTOR INCORPORATED
Mark Tomas
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
FAULT TOLERANT POWER SUPPLY INCORPORATING INTELLIGENT LOAD SWITCH T...
Publication number
20140277802
Publication date
Sep 18, 2014
ALPHA & OMEGA SEMICONDUCTOR INCORPORATED
Mark Tomas
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SWITCHING REGULATOR WITH ADAPTIVE PWM/PFM MODULATOR
Publication number
20140266090
Publication date
Sep 18, 2014
ALPHA & OMEGA SEMICONDUCTOR INCORPORATED
Zhinan Wei
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
FAULT TOLERANT POWER SUPPLY INCORPORATING INTELLIGENT GATE DRIVER-S...
Publication number
20140268939
Publication date
Sep 18, 2014
ALPHA & OMEGA SEMICONDUCTOR INCORPORATED
Mark Tomas
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
BOOST CONVERTER WITH INTEGRATED HIGH POWER DISCRETE FET AND LOW VOL...
Publication number
20130265015
Publication date
Oct 10, 2013
Allen Chang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
HIGH VOLTAGE AND HIGH POWER BOOST CONVETER WITH CO-PACKAGED SCHOTTK...
Publication number
20120313613
Publication date
Dec 13, 2012
ALPHA & OMEGA SEMICONDUCTOR INCORPORATED
Allen Chang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
BOOST CONVERTER WITH INTEGRATED HIGH POWER DISCRETE FET AND LOW VOL...
Publication number
20110316090
Publication date
Dec 29, 2011
ALPHA & OMEGA SEMICONDUCTOR, LTD.
Allen Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
STACKED-DIE PACKAGE FOR BATTERY POWER MANAGEMENT
Publication number
20110278709
Publication date
Nov 17, 2011
ALPHA & OMEGA SEMICONDUCTOR INCORPORATED
Jun Lu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
USE OF DISCRETE CONDUCTIVE LAYER IN SEMICONDUCTOR DEVICE TO RE-ROUT...
Publication number
20110108998
Publication date
May 12, 2011
ALPHA & OMEGA SEMICONDUCTOR INCORPORATED
Jun Lu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FLEXIBLE LOW CURRENT OSCILLATOR FOR MULTIPHASE OPERATIONS
Publication number
20110095833
Publication date
Apr 28, 2011
ALPHA & OMEGA SEMICONDUCTOR INCORPORATED
Behzad Mohtashemi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Multi-die DC-DC Buck Power Converter with Efficient Packaging
Publication number
20110012194
Publication date
Jan 20, 2011
Francois Hebert
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MULTI MODE MODULATOR AND METHOD WITH IMPROVED DYNAMIC LOAD REGULATION
Publication number
20110006853
Publication date
Jan 13, 2011
Behzad Mohtashemi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
HIGH VOLTAGE AND HIGH POWER BOOST CONVETER WITH CO-PACKAGED SCHOTTK...
Publication number
20100225296
Publication date
Sep 9, 2010
ALPHA & OMEGA SEMICONDUCTOR INCORPORATED
Allen Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Current Limiting Load Switch with Dynamically Generated Tracking Re...
Publication number
20100090755
Publication date
Apr 15, 2010
Kevin Ng
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
STACKED-DIE PACKAGE FOR BATTERY POWER MANAGEMENT
Publication number
20090128968
Publication date
May 21, 2009
ALPHA & OMEGA SEMICONDUCTOR, LTD.
Jun Lu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
USE OF DISCRETE CONDUCTIVE LAYER IN SEMICONDUCTOR DEVICE TO RE-ROUT...
Publication number
20090008758
Publication date
Jan 8, 2009
ALPHA & OMEGA SEMICONDUCTOR INCORPORATED
Jun Lu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BOOST CONVERTER WITH INTEGRATED HIGH POWER DISCRETE FET AND LOW VOL...
Publication number
20080304305
Publication date
Dec 11, 2008
ALPHA & OMEGA SEMICONDUCTOR, LTD.
Allen Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HIGH VOLTAGE AND HIGH POWER BOOST CONVETER WITH CO-PACKAGED SCHOTTK...
Publication number
20080304306
Publication date
Dec 11, 2008
ALPHA & OMEGA SEMICONDUCTOR, LTD.
Allen Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Multi-die DC-DC Buck Power Converter with Efficient Packaging
Publication number
20080024102
Publication date
Jan 31, 2008
Francois Hebert
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Multi-die DC-DC Boost Power Converter with Efficient Packaging
Publication number
20080023825
Publication date
Jan 31, 2008
Francois Hebert
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Current limited bilateral MOSFET switch with reduced switch resista...
Publication number
20070127182
Publication date
Jun 7, 2007
Alpha & Omega Semiconductor, LTD.
Allen Chang
H03 - BASIC ELECTRONIC CIRCUITRY