Michael A. De Rooij

Person

Palm Springs, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Half-bridge circuits with symmetrical layout of parallel transistor...
- Patent number 12,218,593
- Issue date Feb 4, 2025
- Efficient Power Conversion Corporation
- John S. Glaser
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Active bootstrapping drivers
- Patent number 12,113,524
- Issue date Oct 8, 2024
- Efficient Power Conversion Corporation
- Edward Lee
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multi-level converter with voltage divider for pre-charging flying...
- Patent number 11,646,656
- Issue date May 9, 2023
- Efficient Power Conversion Corporation
- Yuanzhe Zhang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
GaN driver using active pre-driver with feedback
- Patent number 11,038,503
- Issue date Jun 15, 2021
- Efficient Power Conversion Corporation
- Edward Lee
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low parasitic inductance structure for power switched circuits
- Patent number 11,019,718
- Issue date May 25, 2021
- Efficient Power Conversion Corporation
- John S. Glaser
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Common gate amplifier with high isolation from output to input
- Patent number 10,931,244
- Issue date Feb 23, 2021
- Efficient Power Conversion Corporation
- John S. Glaser
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic field pulse current sensing for timing-sensitive circuits
- Patent number 10,901,011
- Issue date Jan 26, 2021
- Efficient Power Conversion Corporation
- John S. Glaser
- G01 - MEASURING TESTING
Information Patent Grant
Multi-coil large area wireless power system
- Patent number 10,892,650
- Issue date Jan 12, 2021
- Efficient Power Conversion Corporation
- Michael A. de Rooij
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Large area scalable highly resonant wireless power coil
- Patent number 10,862,337
- Issue date Dec 8, 2020
- Efficient Power Conversion Corporation
- Michael A. de Rooij
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Wireless power receiver synchronization detection circuit
- Patent number 10,840,742
- Issue date Nov 17, 2020
- Efficient Power Conversion Corporation
- Michael A. de Rooij
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Cascaded bootstrapping GaN power switch and driver
- Patent number 10,790,811
- Issue date Sep 29, 2020
- Efficient Power Conversion Corporation
- Edward Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
GaN FET gate driver for self-oscillating converters
- Patent number 10,784,794
- Issue date Sep 22, 2020
- Efficient Power Conversion Corporation
- Michael A. de Rooij
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Low voltage drop cascaded synchronous bootstrap supply circuit
- Patent number 10,637,456
- Issue date Apr 28, 2020
- Efficient Power Conversion Corporation
- David C. Reusch
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Bootstrap capacitor over-voltage management circuit for GaN transis...
- Patent number 10,454,472
- Issue date Oct 22, 2019
- Efficient Power Conversion Corporation
- David C. Reusch
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
GaN transistors with polysilicon layers used for creating additiona...
- Patent number 10,312,260
- Issue date Jun 4, 2019
- Efficient Power Conversion Corporation
- Jianjun Cao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Enhancement mode FET gate driver IC
- Patent number 10,243,546
- Issue date Mar 26, 2019
- Efficient Power Conversion Corporation
- Michael A. de Rooij
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High efficiency voltage mode class D topology
- Patent number 10,230,341
- Issue date Mar 12, 2019
- Efficient Power Conversion Corporation
- Michael A. de Rooij
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low distortion RF switch
- Patent number 10,218,353
- Issue date Feb 26, 2019
- Efficient Power Conversion Corporation
- John S. Glaser
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High voltage zero QRR bootstrap supply
- Patent number 10,084,445
- Issue date Sep 25, 2018
- Efficient Power Conversion Corporation
- Michael A. de Rooij
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High efficiency voltage mode class D topology
- Patent number 9,887,677
- Issue date Feb 6, 2018
- Efficient Power Conversion Corporation
- Michael A. de Rooij
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
GaN transistors with polysilicon layers used for creating additiona...
- Patent number 9,837,438
- Issue date Dec 5, 2017
- Efficient Power Conversion Corporation
- Jianjun Cao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High voltage zero QRR bootstrap supply
- Patent number 9,667,245
- Issue date May 30, 2017
- Efficient Power Conversion Corporation
- Michael A. De Rooij
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method for operating a non-isolated switching converter having sync...
- Patent number 9,634,555
- Issue date Apr 25, 2017
- Efficient Power Conversion Corporation
- Michael A. De Rooij
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Device and method for bias control of class A power RF amplifier
- Patent number 9,484,862
- Issue date Nov 1, 2016
- Efficient Power Conversion Corporation
- Michael A. de Rooij
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Parallel connection methods for high performance transistors
- Patent number 9,331,061
- Issue date May 3, 2016
- Efficient Power Conversion Corporation
- Michael A. De Rooij
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Integral module power conditioning system
- Patent number 8,922,972
- Issue date Dec 30, 2014
- General Electric Company
- Charles Steven Korman
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Reactive power compensation in solar power system
- Patent number 8,406,019
- Issue date Mar 26, 2013
- General Electric Company
- Luis Jose Garces
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Quasi-AC, photovoltaic module for unfolder photovoltaic inverter
- Patent number 8,378,656
- Issue date Feb 19, 2013
- General Electric Company
- Michael Andrew de Rooij
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System, method, and aparatus for extracting power from a photovolta...
- Patent number 8,227,683
- Issue date Jul 24, 2012
- General Electric Company
- John Stanley Glaser
- G05 - CONTROLLING REGULATING
Information Patent Grant
Smart capacitor
- Patent number 8,040,642
- Issue date Oct 18, 2011
- General Electric Company
- Michael Andrew de Rooij
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
SYNCHRONIZING TURN-ON/TURN-OFF TIMES OF PARALLEL POWER FETs
- Publication number 20240372545
- Publication date Nov 7, 2024
- Efficient Power Conversion Corporation
- Edward Lee
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DRIVER CIRCUIT FOR GaN FET SOLID STATE RELAY
- Publication number 20240048142
- Publication date Feb 8, 2024
- Efficient Power Conversion Corporation
- Michael A. de Rooij
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
UNIVERSAL POWER FET DRIVER IC ARCHITECTURE
- Publication number 20240007104
- Publication date Jan 4, 2024
- Efficient Power Conversion Corporation
- Edward Lee
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ACTIVE BOOTSTRAPPING DRIVERS
- Publication number 20230179203
- Publication date Jun 8, 2023
- Efficient Power Conversion Corporation
- Edward Lee
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
HALF-BRIDGE SWITCHING CIRCUITS WITH PARALLEL SWITCHES
- Publication number 20230083279
- Publication date Mar 16, 2023
- Efficient Power Conversion Corporation
- John S. Glaser
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MULTI-LEVEL CONVERTER WITH VOLTAGE DIVIDER FOR PRE-CHARGING FLYING...
- Publication number 20210135567
- Publication date May 6, 2021
- Efficient Power Conversion Corporation
- Yuanzhe Zhang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LOW PARASITIC INDUCTANCE STRUCTURE FOR POWER SWITCHED CIRCUITS
- Publication number 20200367354
- Publication date Nov 19, 2020
- Efficient Power Conversion Corporation
- John S. Glaser
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETIC FIELD PULSE CURRENT SENSING FOR TIMING-SENSITIVE CIRCUITS
- Publication number 20200141983
- Publication date May 7, 2020
- Efficient Power Conversion Corporation
- John S. Glaser
- G01 - MEASURING TESTING
Information Patent Application
CASCADED BOOTSTRAPPING GaN POWER SWITCH AND DRIVER
- Publication number 20200076415
- Publication date Mar 5, 2020
- Efficient Power Conversion Corporation
- Edward Lee
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
COMMON GATE AMPLIFIER WITH HIGH ISOLATION FROM OUTPUT TO INPUT
- Publication number 20190393846
- Publication date Dec 26, 2019
- Efficient Power Conversion Corporation
- John S. Glaser
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
WIRELESS POWER RECEIVER SYNCHRONIZATION DETECTION CIRCUIT
- Publication number 20190386518
- Publication date Dec 19, 2019
- Efficient Power Conversion Corporation
- Michael A. de Rooij
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
GaN FET GATE DRIVER FOR SELF-OSCILLATING CONVERTERS
- Publication number 20190068075
- Publication date Feb 28, 2019
- Efficient Power Conversion Corporation
- Michael A. de Rooij
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MULTI-COIL LARGE AREA WIRELESS POWER SYSTEM
- Publication number 20190068000
- Publication date Feb 28, 2019
- Efficient Power Conversion Corporation
- Michael A. de Rooij
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LOW VOLTAGE DROP CASCADED SYNCHRONOUS BOOTSTRAP SUPPLY CIRCUIT
- Publication number 20190028094
- Publication date Jan 24, 2019
- Efficient Power Conversion Corporation
- David C. Reusch
- G05 - CONTROLLING REGULATING
Information Patent Application
LARGE AREA SCALABLE HIGHLY RESONANT WIRELESS POWER COIL
- Publication number 20180269727
- Publication date Sep 20, 2018
- Efficient Power Conversion Corporation
- Michael A. de Rooij
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LOW DISTORTION RF SWITCH
- Publication number 20180191344
- Publication date Jul 5, 2018
- Efficient Power Conversion Corporation
- John S. Glaser
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
BOOTSTRAP CAPACITOR OVER-VOLTAGE MANAGEMENT CIRCUIT FOR GaN TRANSIS...
- Publication number 20180159529
- Publication date Jun 7, 2018
- Efficient Power Conversion Corporation
- David C. Reusch
- G05 - CONTROLLING REGULATING
Information Patent Application
HIGH EFFICIENCY VOLTAGE MODE CLASS D TOPOLOGY
- Publication number 20180131335
- Publication date May 10, 2018
- Efficient Power Conversion Corporation
- Michael A. de Rooij
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ENHANCEMENT MODE FET GATE DRIVER IC
- Publication number 20170346475
- Publication date Nov 30, 2017
- Efficient Power Conversion Corporation
- Michael A. de Rooij
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GaN TRANSISTORS WITH POLYSILICON LAYERS USED FOR CREATING ADDITIONA...
- Publication number 20170330898
- Publication date Nov 16, 2017
- Efficient Power Conversion Corporation
- Jianjun Cao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH VOLTAGE ZERO QRR BOOTSTRAP SUPPLY
- Publication number 20170230046
- Publication date Aug 10, 2017
- Effcient Power Conversion Corporation
- Michael A. de Rooij
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
HIGH VOLTAGE ZERO QRR BOOTSTRAP SUPPLY
- Publication number 20160105173
- Publication date Apr 14, 2016
- Efficient Power Conversion Corporation
- Michael A. De Rooij
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
GAN TRANSISTORS WITH POLYSILICON LAYERS USED FOR CREATING ADDITIONA...
- Publication number 20160086980
- Publication date Mar 24, 2016
- Efficient Power Conversion Corporation
- Jianjun Cao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH EFFICIENCY VOLTAGE MODE CLASS D TOPOLOGY
- Publication number 20150069855
- Publication date Mar 12, 2015
- Efficient Power Conversion Corporation
- Michael A. De Rooij
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DEVICE AND METHOD FOR BIAS CONTROL OF CLASS A POWER RF AMPLIFIER
- Publication number 20150061777
- Publication date Mar 5, 2015
- Efficient Power Conversion Corporation
- Michael A. de Rooij
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHOD FOR OPERATING A NON-ISOLATED SWITCHING CONVERTER HAVING SYNC...
- Publication number 20150049528
- Publication date Feb 19, 2015
- Efficient Power Conversion Corporation
- Michael A. De Rooij
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PARALLEL CONNECTION METHODS FOR HIGH PERFORMANCE TRANSISTORS
- Publication number 20130049814
- Publication date Feb 28, 2013
- Michael A. De Rooij
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INTEGRAL MODULE POWER CONDITIONING SYSTEM
- Publication number 20130039028
- Publication date Feb 14, 2013
- GENERAL ELECTRIC COMPANY
- Charles Steven Korman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEM, METHOD, AND APARATUS FOR EXTRACTING POWER FROM A PHOTOVOLTA...
- Publication number 20110036387
- Publication date Feb 17, 2011
- GENERAL ELECTRIC COMPANY
- John Stanley Glaser
- G05 - CONTROLLING REGULATING
Information Patent Application
PLANAR, HIGH VOLTAGE EMBEDDED TRANSFORMER FOR ANALOG AND DIGITAL DA...
- Publication number 20100328012
- Publication date Dec 30, 2010
- GENERAL ELECTRIC COMPANY
- Michael Andrew de Rooij
- H01 - BASIC ELECTRIC ELEMENTS

Michael A. De Rooij

Person

Patents Grantslast 30 patents

Half-bridge circuits with symmetrical layout of parallel transistor...

Active bootstrapping drivers

Multi-level converter with voltage divider for pre-charging flying...

GaN driver using active pre-driver with feedback

Low parasitic inductance structure for power switched circuits

Common gate amplifier with high isolation from output to input

Magnetic field pulse current sensing for timing-sensitive circuits

Multi-coil large area wireless power system

Large area scalable highly resonant wireless power coil

Wireless power receiver synchronization detection circuit

Cascaded bootstrapping GaN power switch and driver

GaN FET gate driver for self-oscillating converters

Low voltage drop cascaded synchronous bootstrap supply circuit

Bootstrap capacitor over-voltage management circuit for GaN transis...

GaN transistors with polysilicon layers used for creating additiona...

Enhancement mode FET gate driver IC

High efficiency voltage mode class D topology

Low distortion RF switch

High voltage zero QRR bootstrap supply

High efficiency voltage mode class D topology

GaN transistors with polysilicon layers used for creating additiona...

High voltage zero QRR bootstrap supply

Method for operating a non-isolated switching converter having sync...

Device and method for bias control of class A power RF amplifier

Parallel connection methods for high performance transistors

Integral module power conditioning system

Reactive power compensation in solar power system

Quasi-AC, photovoltaic module for unfolder photovoltaic inverter

System, method, and aparatus for extracting power from a photovolta...

Smart capacitor

Patents Applicationslast 30 patents

SYNCHRONIZING TURN-ON/TURN-OFF TIMES OF PARALLEL POWER FETs

DRIVER CIRCUIT FOR GaN FET SOLID STATE RELAY

UNIVERSAL POWER FET DRIVER IC ARCHITECTURE

ACTIVE BOOTSTRAPPING DRIVERS

HALF-BRIDGE SWITCHING CIRCUITS WITH PARALLEL SWITCHES

MULTI-LEVEL CONVERTER WITH VOLTAGE DIVIDER FOR PRE-CHARGING FLYING...

LOW PARASITIC INDUCTANCE STRUCTURE FOR POWER SWITCHED CIRCUITS

MAGNETIC FIELD PULSE CURRENT SENSING FOR TIMING-SENSITIVE CIRCUITS

CASCADED BOOTSTRAPPING GaN POWER SWITCH AND DRIVER

COMMON GATE AMPLIFIER WITH HIGH ISOLATION FROM OUTPUT TO INPUT

WIRELESS POWER RECEIVER SYNCHRONIZATION DETECTION CIRCUIT

GaN FET GATE DRIVER FOR SELF-OSCILLATING CONVERTERS

MULTI-COIL LARGE AREA WIRELESS POWER SYSTEM

LOW VOLTAGE DROP CASCADED SYNCHRONOUS BOOTSTRAP SUPPLY CIRCUIT

LARGE AREA SCALABLE HIGHLY RESONANT WIRELESS POWER COIL

LOW DISTORTION RF SWITCH

BOOTSTRAP CAPACITOR OVER-VOLTAGE MANAGEMENT CIRCUIT FOR GaN TRANSIS...

HIGH EFFICIENCY VOLTAGE MODE CLASS D TOPOLOGY

ENHANCEMENT MODE FET GATE DRIVER IC

GaN TRANSISTORS WITH POLYSILICON LAYERS USED FOR CREATING ADDITIONA...

HIGH VOLTAGE ZERO QRR BOOTSTRAP SUPPLY

HIGH VOLTAGE ZERO QRR BOOTSTRAP SUPPLY

GAN TRANSISTORS WITH POLYSILICON LAYERS USED FOR CREATING ADDITIONA...

HIGH EFFICIENCY VOLTAGE MODE CLASS D TOPOLOGY

DEVICE AND METHOD FOR BIAS CONTROL OF CLASS A POWER RF AMPLIFIER

METHOD FOR OPERATING A NON-ISOLATED SWITCHING CONVERTER HAVING SYNC...

PARALLEL CONNECTION METHODS FOR HIGH PERFORMANCE TRANSISTORS

INTEGRAL MODULE POWER CONDITIONING SYSTEM

SYSTEM, METHOD, AND APARATUS FOR EXTRACTING POWER FROM A PHOTOVOLTA...

PLANAR, HIGH VOLTAGE EMBEDDED TRANSFORMER FOR ANALOG AND DIGITAL DA...