InHwan Oh

Person

Cupertino, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
AC/DC converter with active capacitor bank
- Patent number 11,362,592
- Issue date Jun 14, 2022
- Apple Inc.
- Inhwan Oh
- G05 - CONTROLLING REGULATING
Information Patent Grant
Low-profile power converter
- Patent number 11,121,573
- Issue date Sep 14, 2021
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
AC-DC converter with boost front end having flat current and active...
- Patent number 11,095,206
- Issue date Aug 17, 2021
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Continuous conduction boost converter with zero voltage switching a...
- Patent number 10,985,646
- Issue date Apr 20, 2021
- Apple Inc.
- InHwan (Simon) Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Active burst ZVS boost PFC converter
- Patent number 10,917,006
- Issue date Feb 9, 2021
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Frequency doubling resonant converter
- Patent number 10,778,108
- Issue date Sep 15, 2020
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Quasi-resonant power converter with reduced dynamic switching losses
- Patent number 10,742,118
- Issue date Aug 11, 2020
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Interphase transformer based rectifier for wireless power transfer
- Patent number 10,707,699
- Issue date Jul 7, 2020
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Asymmetric duty control of a half bridge power converter
- Patent number 10,601,250
- Issue date Mar 24, 2020
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power converter with output voltage control
- Patent number 10,505,445
- Issue date Dec 10, 2019
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Primary side control of primary resonant flyback converters
- Patent number 10,218,256
- Issue date Feb 26, 2019
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Variable frequency and burst mode operation of primary resonant fly...
- Patent number 10,170,974
- Issue date Jan 1, 2019
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Synchronous buck converter with current sensing
- Patent number 10,148,178
- Issue date Dec 4, 2018
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Over voltage protection for a communication line of a bus
- Patent number 9,977,475
- Issue date May 22, 2018
- Apple Inc.
- InHwan Oh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Reducing output voltage undershoot in isolated power converters
- Patent number 9,774,266
- Issue date Sep 26, 2017
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Hysteretic-mode pulse frequency modulated (HM-PFM) resonant AC to D...
- Patent number 9,768,700
- Issue date Sep 19, 2017
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Hysteretic-mode pulse frequency modulated (HM-PFM) resonant AC to D...
- Patent number 9,391,524
- Issue date Jul 12, 2016
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
AC-DC resonant converter that provides high efficiency and high pow...
- Patent number 9,001,539
- Issue date Apr 7, 2015
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for current control with LED driver
- Patent number 8,803,438
- Issue date Aug 12, 2014
- Marvell World Trade Ltd.
- Pantas Sutardja
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for LED lighting
- Patent number 8,786,205
- Issue date Jul 22, 2014
- Marvell World Trade Ltd.
- Wanfeng Zhang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
FORWARD MODE SOFT SWITCHING POWER CONVERTER
- Publication number 20230275516
- Publication date Aug 31, 2023
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
AC/DC CONVERTER WITH ACTIVE CAPACITOR BANK
- Publication number 20220190731
- Publication date Jun 16, 2022
- Apple Inc.
- InHwan Oh
- G01 - MEASURING TESTING
Information Patent Application
Active Clamp Resonant Flyback Converter with Integrated Boost Stage
- Publication number 20210399643
- Publication date Dec 23, 2021
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
AC-DC Converter with Boost Front End Having Flat Current and Active...
- Publication number 20210099076
- Publication date Apr 1, 2021
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Frequency Doubling Resonant Converter
- Publication number 20200266719
- Publication date Aug 20, 2020
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Continuous Conduction Boost Converter with Zero Voltage Switching a...
- Publication number 20200059151
- Publication date Feb 20, 2020
- Apple Inc.
- InHwan (Simon) Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Forward Mode Soft Switching Resonant Converter
- Publication number 20190267901
- Publication date Aug 29, 2019
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PRIMARY RESONANT FLYBACK CONVERTERS
- Publication number 20190260282
- Publication date Aug 22, 2019
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INTERPHASE TRANSFORMER BASED RECTIFIER FOR WIRELESS POWER TRANSFER
- Publication number 20190097458
- Publication date Mar 28, 2019
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PRIMARY SIDE CONTROL OF PRIMARY RESONANT FLYBACK CONVERTERS
- Publication number 20190036442
- Publication date Jan 31, 2019
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER FACTOR CORRECTED PRIMARY RESONANT FLYBACK CONVERTERS
- Publication number 20190036447
- Publication date Jan 31, 2019
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Synchronous Buck Converter with Current Sensing
- Publication number 20180091054
- Publication date Mar 29, 2018
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Single-Isolation Wireless Power Converter
- Publication number 20180083490
- Publication date Mar 22, 2018
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power Converter with Output Voltage Control
- Publication number 20180041073
- Publication date Feb 8, 2018
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Quasi-Resonant Power Converter with Reduced Dynamic Switching Losses
- Publication number 20180041116
- Publication date Feb 8, 2018
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
HYSTERETIC-MODE PULSE FREQUENCY MODULATED (HM-PFM) RESONANT AC TO D...
- Publication number 20160294291
- Publication date Oct 6, 2016
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
OVER VOLTAGE PROTECTION FOR A COMMUNICATION LINE OF A BUS
- Publication number 20160091940
- Publication date Mar 31, 2016
- Apple Inc.
- InHwan Oh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
REDUCING OUTPUT VOLTAGE UNDERSHOOT IN ISOLATED POWER CONVERTERS
- Publication number 20160094145
- Publication date Mar 31, 2016
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
HYSTERETIC-MODE PULSE FREQUENCY MODULATED (HM-PFM) RESONANT AC TO D...
- Publication number 20140160805
- Publication date Jun 12, 2014
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
AC-DC RESONANT CONVERTER THAT PROVIDES HIGH EFFICIENCY AND HIGH POW...
- Publication number 20140140113
- Publication date May 22, 2014
- Apple Inc.
- InHwan Oh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD AND APPARATUS FOR CURRENT CONTROL WITH LED DRIVER
- Publication number 20130162156
- Publication date Jun 27, 2013
- Marvell World Trade Ltd.
- Pantas SUTARDJA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD AND APPARATUS FOR LED LIGHTING
- Publication number 20130049626
- Publication date Feb 28, 2013
- Wanfeng ZHANG
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Person

Patents Grantslast 30 patents

AC/DC converter with active capacitor bank

Low-profile power converter

AC-DC converter with boost front end having flat current and active...

Continuous conduction boost converter with zero voltage switching a...

Active burst ZVS boost PFC converter

Frequency doubling resonant converter

Quasi-resonant power converter with reduced dynamic switching losses

Interphase transformer based rectifier for wireless power transfer

Asymmetric duty control of a half bridge power converter

Power converter with output voltage control

Primary side control of primary resonant flyback converters

Variable frequency and burst mode operation of primary resonant fly...

Synchronous buck converter with current sensing

Over voltage protection for a communication line of a bus

Reducing output voltage undershoot in isolated power converters

Hysteretic-mode pulse frequency modulated (HM-PFM) resonant AC to D...

Hysteretic-mode pulse frequency modulated (HM-PFM) resonant AC to D...

AC-DC resonant converter that provides high efficiency and high pow...

Method and apparatus for current control with LED driver

Method and apparatus for LED lighting

Patents Applicationslast 30 patents

FORWARD MODE SOFT SWITCHING POWER CONVERTER

AC/DC CONVERTER WITH ACTIVE CAPACITOR BANK

Active Clamp Resonant Flyback Converter with Integrated Boost Stage

AC-DC Converter with Boost Front End Having Flat Current and Active...

Frequency Doubling Resonant Converter

Continuous Conduction Boost Converter with Zero Voltage Switching a...

Forward Mode Soft Switching Resonant Converter

PRIMARY RESONANT FLYBACK CONVERTERS

INTERPHASE TRANSFORMER BASED RECTIFIER FOR WIRELESS POWER TRANSFER

PRIMARY SIDE CONTROL OF PRIMARY RESONANT FLYBACK CONVERTERS

POWER FACTOR CORRECTED PRIMARY RESONANT FLYBACK CONVERTERS

Synchronous Buck Converter with Current Sensing

Single-Isolation Wireless Power Converter

Power Converter with Output Voltage Control

Quasi-Resonant Power Converter with Reduced Dynamic Switching Losses

HYSTERETIC-MODE PULSE FREQUENCY MODULATED (HM-PFM) RESONANT AC TO D...

OVER VOLTAGE PROTECTION FOR A COMMUNICATION LINE OF A BUS

REDUCING OUTPUT VOLTAGE UNDERSHOOT IN ISOLATED POWER CONVERTERS

HYSTERETIC-MODE PULSE FREQUENCY MODULATED (HM-PFM) RESONANT AC TO D...

AC-DC RESONANT CONVERTER THAT PROVIDES HIGH EFFICIENCY AND HIGH POW...

METHOD AND APPARATUS FOR CURRENT CONTROL WITH LED DRIVER

METHOD AND APPARATUS FOR LED LIGHTING