James SIGAMANI

Person

Pasig City, PH

People

Patents Grantslast 30 patents

Information Patent Grant
Multi-phase voltage converter current balancing
- Patent number 12,101,032
- Issue date Sep 24, 2024
- Astec International Limited
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Three-phase LLC power supply circuit for high voltage bus input
- Patent number 11,848,616
- Issue date Dec 19, 2023
- Astec International Limited
- James Sigamani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Controlling reverse current in switched mode power supplies to achi...
- Patent number 11,817,783
- Issue date Nov 14, 2023
- Astec International Limited
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Transformers having integrated magnetic structures for power conver...
- Patent number 11,749,433
- Issue date Sep 5, 2023
- Astec International Limited
- James Sigamani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Current balancing in coupled transformers
- Patent number 11,736,024
- Issue date Aug 22, 2023
- AES Global Holdings PTE Ltd.
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switch-mode power supplies including three-level LLC circuits
- Patent number 11,652,424
- Issue date May 16, 2023
- Astec International Limited
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switch-mode power supplies including three-level LLC circuits for l...
- Patent number 11,601,060
- Issue date Mar 7, 2023
- Astec International Limited
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Three-phase LLC power supply circuit for high voltage bus input
- Patent number 11,557,976
- Issue date Jan 17, 2023
- Astec International Limited
- James Sigamani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switch-mode power supplies including three-level LLC circuits
- Patent number 11,283,365
- Issue date Mar 22, 2022
- Astec International Limited
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Controlling reverse current in switched mode power supplies to achi...
- Patent number 11,251,705
- Issue date Feb 15, 2022
- Astec International Limited
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switch-mode power supplies including three-level LLC circuits
- Patent number 11,146,176
- Issue date Oct 12, 2021
- Astec International Limited
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Low common mode noise transformers and switch-mode DC-DC power conv...
- Patent number 11,121,633
- Issue date Sep 14, 2021
- Astee International Limited
- James Sigamani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switch-mode power supplies including three-level LLC circuits for l...
- Patent number 11,108,329
- Issue date Aug 31, 2021
- Astec International Limited
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Low common mode noise transformers and switch-mode DC-DC power conv...
- Patent number 10,742,123
- Issue date Aug 11, 2020
- Astec International Limited
- James Sigamani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Modifiable DC-DC power converters for providing different output vo...
- Patent number 10,476,393
- Issue date Nov 12, 2019
- Astec International Limited
- James Sigamani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
DC-DC power converters and methods of operating DC-DC power converters
- Patent number 10,224,828
- Issue date Mar 5, 2019
- Astec International Limited
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control circuits and methods for transitioning between power conver...
- Patent number 9,906,121
- Issue date Feb 27, 2018
- Astec International Limited
- Yancy Fontanilla Boncato
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multiphase DC/DC converters and control circuits for controlling co...
- Patent number 9,906,135
- Issue date Feb 27, 2018
- Astec International Limited
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multi-stage power converters and methods for varying a regulated vo...
- Patent number 9,450,496
- Issue date Sep 20, 2016
- Astec International Limited
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multiphase DC/DC converters and control circuits for controlling co...
- Patent number 9,240,724
- Issue date Jan 19, 2016
- Astec International Limited
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control circuits for power converters
- Patent number 9,065,325
- Issue date Jun 23, 2015
- Astec International Limited
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control circuits for power converters
- Patent number 8,861,230
- Issue date Oct 14, 2014
- Astec International Limited
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power systems for photovoltaic and DC input sources
- Patent number 8,842,451
- Issue date Sep 23, 2014
- Astec International Limited
- Vijay G. Phadke
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-AC inverters
- Patent number 8,488,350
- Issue date Jul 16, 2013
- Astec International Limited
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Reverse current control system for a power converter
- Patent number 7,616,464
- Issue date Nov 10, 2009
- Astec International Limited
- Vijay Phadke
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
MULTI-PHASE VOLTAGE CONVERTER CURRENT BALANCING
- Publication number 20240072673
- Publication date Feb 29, 2024
- Astec International Limited
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INTEGRATED CURRENT BALANCING IN COUPLED TRANSFORMERS
- Publication number 20230387810
- Publication date Nov 30, 2023
- Astec International Limited
- James Sigamani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Current Balancing in Coupled Transformers
- Publication number 20230261581
- Publication date Aug 17, 2023
- AES Global Holdings PTE Ltd.
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
THREE-PHASE LLC POWER SUPPLY CIRCUIT FOR HIGH VOLTAGE BUS INPUT
- Publication number 20230155512
- Publication date May 18, 2023
- Astec International Limited
- James Sigamani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SWITCH-MODE POWER SUPPLIES INCLUDING THREE-LEVEL LLC CIRCUITS
- Publication number 20220216801
- Publication date Jul 7, 2022
- Astec International Limited
- James SIGAMANI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
THREE-PHASE LLC POWER SUPPLY CIRCUIT FOR HIGH VOLTAGE BUS INPUT
- Publication number 20220173662
- Publication date Jun 2, 2022
- Astec International Limited
- James SIGAMANI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CONTROLLING REVERSE CURRENT IN SWITCHED MODE POWER SUPPLIES TO ACHI...
- Publication number 20220158557
- Publication date May 19, 2022
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROLLING REVERSE CURRENT IN SWITCHED MODE POWER SUPPLIES TO ACHI...
- Publication number 20210408918
- Publication date Dec 30, 2021
- Astec International Limited
- James SIGAMANI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LOW COMMON MODE NOISE TRANSFORMERS AND SWITCH-MODE DC-DC POWER CONV...
- Publication number 20210408919
- Publication date Dec 30, 2021
- Astec International Limited
- James SIGAMANI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SWITCH-MODE POWER SUPPLIES INCLUDING THREE-LEVEL LLC CIRCUITS FOR L...
- Publication number 20210351703
- Publication date Nov 11, 2021
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCH-MODE POWER SUPPLIES INCLUDING THREE-LEVEL LLC CIRCUITS
- Publication number 20210273567
- Publication date Sep 2, 2021
- Astec International Limited
- James SIGAMANI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCH-MODE POWER SUPPLIES INCLUDING THREE-LEVEL LLC CIRCUITS FOR L...
- Publication number 20210273566
- Publication date Sep 2, 2021
- Astec International Limited
- James SIGAMANI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCH-MODE POWER SUPPLIES INCLUDING THREE-LEVEL LLC CIRCUITS
- Publication number 20210273578
- Publication date Sep 2, 2021
- Astec International Limited
- James SIGAMANI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Transformers Having Integrated Magnetic Structures For Power Conver...
- Publication number 20200286670
- Publication date Sep 10, 2020
- Astec International Limited
- James SIGAMANI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Low Common Mode Noise Transformers And Switch-Mode DC-DC Power Conv...
- Publication number 20200287467
- Publication date Sep 10, 2020
- Astec International Limited
- James SIGAMANI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MODIFIABLE DC-DC POWER CONVERTERS FOR PROVIDING DIFFERENT OUTPUT VO...
- Publication number 20170155332
- Publication date Jun 1, 2017
- Astec International Limited
- James SIGAMANI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROL CIRCUITS AND METHODS FOR TRANSITIONING BETWEEN POWER CONVER...
- Publication number 20170104407
- Publication date Apr 13, 2017
- Astec International Limited
- Yancy Fontanilla BONCATO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Multiphase DC/DC Converters And Control Circuits For Controlling Co...
- Publication number 20160013724
- Publication date Jan 14, 2016
- Astec International Limited
- James SIGAMANI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power Converters And Methods Of Improving Efficiency Thereof
- Publication number 20140307483
- Publication date Oct 16, 2014
- Astec International Limited
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MULTIPHASE DC/DC CONVERTERS
- Publication number 20140268891
- Publication date Sep 18, 2014
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROL CIRCUITS FOR POWER CONVERTERS
- Publication number 20140126257
- Publication date May 8, 2014
- Astec International Limited
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROL CIRCUITS FOR POWER CONVERTERS
- Publication number 20130322122
- Publication date Dec 5, 2013
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power Systems for Photovoltaic and DC Input Sources
- Publication number 20120127764
- Publication date May 24, 2012
- Astec International Limited
- Vijay G. Phadke
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Photovoltaic Power Converters and Closed Loop Maximum Power Point T...
- Publication number 20120075898
- Publication date Mar 29, 2012
- Astec International Limited
- James Sigamani
- G05 - CONTROLLING REGULATING
Information Patent Application
DC-AC Inverters
- Publication number 20110075455
- Publication date Mar 31, 2011
- James Sigamani
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Variable Output Voltage Power Converter
- Publication number 20090085543
- Publication date Apr 2, 2009
- Astec International Limited
- James Sigamani
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Tapped inductor buck dc-dc converter
- Publication number 20070229047
- Publication date Oct 4, 2007
- James Sigamani
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Technique to improve dynamic response of two-stage converters
- Publication number 20070133232
- Publication date Jun 14, 2007
- James Sigamani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Reverse current control system for a power converter
- Publication number 20070041221
- Publication date Feb 22, 2007
- Astec International Limited
- Vijay Phadke
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

James SIGAMANI

Person

Patents Grantslast 30 patents

Multi-phase voltage converter current balancing

Three-phase LLC power supply circuit for high voltage bus input

Controlling reverse current in switched mode power supplies to achi...

Transformers having integrated magnetic structures for power conver...

Current balancing in coupled transformers

Switch-mode power supplies including three-level LLC circuits

Switch-mode power supplies including three-level LLC circuits for l...

Three-phase LLC power supply circuit for high voltage bus input

Switch-mode power supplies including three-level LLC circuits

Controlling reverse current in switched mode power supplies to achi...

Switch-mode power supplies including three-level LLC circuits

Low common mode noise transformers and switch-mode DC-DC power conv...

Switch-mode power supplies including three-level LLC circuits for l...

Low common mode noise transformers and switch-mode DC-DC power conv...

Modifiable DC-DC power converters for providing different output vo...

DC-DC power converters and methods of operating DC-DC power converters

Control circuits and methods for transitioning between power conver...

Multiphase DC/DC converters and control circuits for controlling co...

Multi-stage power converters and methods for varying a regulated vo...

Multiphase DC/DC converters and control circuits for controlling co...

Control circuits for power converters

Control circuits for power converters

Power systems for photovoltaic and DC input sources

DC-AC inverters

Reverse current control system for a power converter

Patents Applicationslast 30 patents

MULTI-PHASE VOLTAGE CONVERTER CURRENT BALANCING

INTEGRATED CURRENT BALANCING IN COUPLED TRANSFORMERS

Current Balancing in Coupled Transformers

THREE-PHASE LLC POWER SUPPLY CIRCUIT FOR HIGH VOLTAGE BUS INPUT

SWITCH-MODE POWER SUPPLIES INCLUDING THREE-LEVEL LLC CIRCUITS

THREE-PHASE LLC POWER SUPPLY CIRCUIT FOR HIGH VOLTAGE BUS INPUT

CONTROLLING REVERSE CURRENT IN SWITCHED MODE POWER SUPPLIES TO ACHI...

CONTROLLING REVERSE CURRENT IN SWITCHED MODE POWER SUPPLIES TO ACHI...

LOW COMMON MODE NOISE TRANSFORMERS AND SWITCH-MODE DC-DC POWER CONV...

SWITCH-MODE POWER SUPPLIES INCLUDING THREE-LEVEL LLC CIRCUITS FOR L...

SWITCH-MODE POWER SUPPLIES INCLUDING THREE-LEVEL LLC CIRCUITS

SWITCH-MODE POWER SUPPLIES INCLUDING THREE-LEVEL LLC CIRCUITS FOR L...

SWITCH-MODE POWER SUPPLIES INCLUDING THREE-LEVEL LLC CIRCUITS

Transformers Having Integrated Magnetic Structures For Power Conver...

Low Common Mode Noise Transformers And Switch-Mode DC-DC Power Conv...

MODIFIABLE DC-DC POWER CONVERTERS FOR PROVIDING DIFFERENT OUTPUT VO...

CONTROL CIRCUITS AND METHODS FOR TRANSITIONING BETWEEN POWER CONVER...

Multiphase DC/DC Converters And Control Circuits For Controlling Co...

Power Converters And Methods Of Improving Efficiency Thereof

MULTIPHASE DC/DC CONVERTERS

CONTROL CIRCUITS FOR POWER CONVERTERS

CONTROL CIRCUITS FOR POWER CONVERTERS

Power Systems for Photovoltaic and DC Input Sources

Photovoltaic Power Converters and Closed Loop Maximum Power Point T...

DC-AC Inverters

Variable Output Voltage Power Converter

Tapped inductor buck dc-dc converter

Technique to improve dynamic response of two-stage converters

Reverse current control system for a power converter