Guichao Hua

Person

Zhejiang, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Constant current drive for LED light source
- Patent number 9,398,665
- Issue date Jul 19, 2016
- Inventronics (Hangzhou), Inc.
- Guichao Hua
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Auxiliary power supply circuit of two wire dimmer
- Patent number 9,380,678
- Issue date Jun 28, 2016
- Inventronics (Hangzhou), Inc.
- Delai Jiang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Device and system for load driving
- Patent number 9,215,767
- Issue date Dec 15, 2015
- Inventronics (Hangzhou), Inc.
- Guichao Hua
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Load driving device and system, limiting point control method and d...
- Patent number 9,185,756
- Issue date Nov 10, 2015
- Inventronics (Hangzhou), Inc.
- Liang'an Ge
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Multi-path constant current driving circuit
- Patent number 9,155,141
- Issue date Oct 6, 2015
- Inventronics (Hangzhou), Inc.
- Liang'an Ge
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High output current split package A/C adapter
- Patent number 8,867,250
- Issue date Oct 21, 2014
- Inventronics (Hangzhou), Inc.
- Guichao Hua
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Constant-current LED driver circuit and output voltage adjustable c...
- Patent number 8,866,409
- Issue date Oct 21, 2014
- Inventronics (Hangzhou), Inc.
- Liang'an Ge
- G05 - CONTROLLING REGULATING
Information Patent Grant
High efficiency constant current LED driver
- Patent number 8,853,957
- Issue date Oct 7, 2014
- Inventronics (Hangzhou), Inc.
- Liangan Ge
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
LED lamp system utilizing a hollow liquid-cooled device
- Patent number 8,783,910
- Issue date Jul 22, 2014
- Thinklux (Zhejiang) Lighting Technology Co., Ltd.
- Guichao Hua
- F21 - LIGHTING
Information Patent Grant
Constant current control circuit with multiple outputs for LED driver
- Patent number 8,674,621
- Issue date Mar 18, 2014
- Inventronics (Hangzhou), Inc.
- Liangan Ge
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circuit to improve light load power factor of power supply
- Patent number 8,659,919
- Issue date Feb 25, 2014
- Inventronics (Hangzhou), Inc.
- Guichao Hua
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multi-path constant current driving circuit
- Patent number 8,629,664
- Issue date Jan 14, 2014
- Inventronics (Hangzhou), Inc.
- Liang'an Ge
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
LED drive circuit for SCR dimming
- Patent number 8,552,942
- Issue date Oct 8, 2013
- Inventronics (Hangzhou), Inc.
- Guichao Hua
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Hollow, liquid cooling and strip-shaped LED lamp
- Patent number 8,454,185
- Issue date Jun 4, 2013
- THINKLUX (Zhejiang) Lighting Technology Co., Ltd
- Guichao Hua
- F21 - LIGHTING
Information Patent Grant
Synchronous rectifying drive circuit with energy feedback for volta...
- Patent number 8,369,118
- Issue date Feb 5, 2013
- Inventronics (Hangzhou), Inc.
- Xinke Wu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
PWM dimming circuit for LED
- Patent number 8,294,381
- Issue date Oct 23, 2012
- Inventronics (Hangzhou) Co., Ltd.
- Liangan Ge
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Primary sampling current controlled synchronous rectifying drive ci...
- Patent number 8,077,481
- Issue date Dec 13, 2011
- Inventronics (Hangzhou) Co., Ltd.
- Guichao Hua
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current controlled synchronous rectifying drive circuit
- Patent number 7,957,163
- Issue date Jun 7, 2011
- Inventronics (Hangzhou) Co., Ltd.
- Guichao Hua
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-DC flyback converter having a synchronous rectification self-dri...
- Patent number 7,791,903
- Issue date Sep 7, 2010
- Bel Power (Hangzhou) Co., Ltd.
- Congfeng Zhang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Self-driven synchronous rectification scheme for wide output range
- Patent number 6,583,993
- Issue date Jun 24, 2003
- Bel Fuse, Inc.
- Guichao Hua
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power converter with circuits for providing gate driving
- Patent number 6,084,792
- Issue date Jul 4, 2000
- VPT, Inc.
- Wei Chen
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
LED DRIVER, AND METHOD AND DEVICE FOR CONTROLLING FIXED VALUE OF LE...
- Publication number 20150282268
- Publication date Oct 1, 2015
- INVENTRONICS (HANGZHOU), INC.
- Guichao Hua
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
CONSTANT CURRENT DRIVE FOR LED LIGHT SOURCE
- Publication number 20140246987
- Publication date Sep 4, 2014
- INVENTRONICS (HANGZHOU), INC.
- Guichao Hua
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
AUXILIARY POWER SUPPLY CIRCUIT OF TWO WIRE DIMMER
- Publication number 20140021875
- Publication date Jan 23, 2014
- INVENTRONICS (HANGZHOU), INC.
- Delai Jiang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
HIGH EFFICIENCY CONSTANT CURRENT LED DRIVER
- Publication number 20130320871
- Publication date Dec 5, 2013
- INVENTRONICS (HANGZHOU),INC.
- Liangan Ge
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LOAD DRIVING DEVICE AND SYSTEM, LIMITING POINT CONTROL METHOD AND D...
- Publication number 20130285625
- Publication date Oct 31, 2013
- INVENTRONICS (HANGZHOU), INC.
- Liang'an Ge
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DEVICE AND SYSTEM FOR LOAD DRIVING
- Publication number 20130271032
- Publication date Oct 17, 2013
- INVENTRONICS (HANGZHOU), INC.
- Guichao Hua
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD, APPARATUS AND SYSTEM FOR CONTROLLING LIGHT SOURCE
- Publication number 20130241433
- Publication date Sep 19, 2013
- INVENTRONICS (HANGZHOU), INC.
- Liang'an Ge
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT EMITTING DIODE (LED) DIMMING SYSTEM
- Publication number 20130099686
- Publication date Apr 25, 2013
- INVENTRONICS (HANGZHOU), INC.
- Liang'an Ge
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD, APPARATUS AND SYSTEM FOR CONTROLLING LIGHT SOURCE
- Publication number 20130093348
- Publication date Apr 18, 2013
- INVENTRONICS (HANGZHOU), INC.
- Liang'an Ge
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONSTANT-CURRENT LED DRIVER CIRCUIT AND OUTPUT VOLTAGE ADJUSTABLE C...
- Publication number 20130088169
- Publication date Apr 11, 2013
- INVENTRONICS (HANGZHOU), INC.
- Liang'an Ge
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
MULTI-PATH CONSTANT CURRENT DRIVING CIRCUIT
- Publication number 20120274136
- Publication date Nov 1, 2012
- INVENTRONICS (HANGZHOU) CO., LTD.
- Liang'an Ge
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
MULTI-PATH CONSTANT CURRENT DRIVING CIRCUIT
- Publication number 20120274291
- Publication date Nov 1, 2012
- INVENTRONICS (HANGZHOU) CO., LTD.
- Liang'an Ge
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
HOLLOW, LIQUID COOLING AND STRIP-SHAPED LED LAMP
- Publication number 20110267805
- Publication date Nov 3, 2011
- LED ONE (Hangzhou) CO., LTD.
- Guichao Hua
- F21 - LIGHTING
Information Patent Application
CONSTANT CURRENT CONTROL CIRCUIT WITH MULTIPLE OUTPUTS FOR LED DRIVER
- Publication number 20110080115
- Publication date Apr 7, 2011
- Liangan Ge
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
CIRCUIT TO IMPROVE LIGHT LOAD POWER FACTOR OF POWER SUPPLY
- Publication number 20110080144
- Publication date Apr 7, 2011
- Guichao Hua
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
HIGH EFFICIENCY CONSTANT CURRENT LED DRIVER
- Publication number 20110080102
- Publication date Apr 7, 2011
- Liangan Ge
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
PWM DIMMING CIRCUIT FOR LED
- Publication number 20110043115
- Publication date Feb 24, 2011
- Liangan GE
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LED Drive Circuit For SCR Dimming
- Publication number 20110001766
- Publication date Jan 6, 2011
- Guichao Hua
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
SYNCHRONOUS RECTIFYING DRIVE CIRCUIT WITH ENERGY FEEDBACK FOR VOLTA...
- Publication number 20100309701
- Publication date Dec 9, 2010
- Xinke Wu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
LED Lamp System Utilizing A Hollow Liquid-Cooled Device
- Publication number 20100225219
- Publication date Sep 9, 2010
- Guichao Hua
- F21 - LIGHTING
Information Patent Application
High Frequency Magnetic Current Transducer
- Publication number 20100182117
- Publication date Jul 22, 2010
- Xinke Wu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Primary Sampling Current Controlled Synchronous Rectifying Drive Ci...
- Publication number 20090290397
- Publication date Nov 26, 2009
- Guichao Hua
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Current Controlled Synchronous Rectifying Drive Circuit
- Publication number 20090262560
- Publication date Oct 22, 2009
- Guichao Hua
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
HIGH OUTPUT CURRENT SPLIT PACKAGE A/C ADAPTER
- Publication number 20090161395
- Publication date Jun 25, 2009
- Guichao Hua
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Guichao Hua

Person

Patents Grantslast 30 patents

Constant current drive for LED light source

Auxiliary power supply circuit of two wire dimmer

Device and system for load driving

Load driving device and system, limiting point control method and d...

Multi-path constant current driving circuit

High output current split package A/C adapter

Constant-current LED driver circuit and output voltage adjustable c...

High efficiency constant current LED driver

LED lamp system utilizing a hollow liquid-cooled device

Constant current control circuit with multiple outputs for LED driver

Circuit to improve light load power factor of power supply

Multi-path constant current driving circuit

LED drive circuit for SCR dimming

Hollow, liquid cooling and strip-shaped LED lamp

Synchronous rectifying drive circuit with energy feedback for volta...

PWM dimming circuit for LED

Primary sampling current controlled synchronous rectifying drive ci...

Current controlled synchronous rectifying drive circuit

DC-DC flyback converter having a synchronous rectification self-dri...

Self-driven synchronous rectification scheme for wide output range

Power converter with circuits for providing gate driving

Patents Applicationslast 30 patents

LED DRIVER, AND METHOD AND DEVICE FOR CONTROLLING FIXED VALUE OF LE...

CONSTANT CURRENT DRIVE FOR LED LIGHT SOURCE

AUXILIARY POWER SUPPLY CIRCUIT OF TWO WIRE DIMMER

HIGH EFFICIENCY CONSTANT CURRENT LED DRIVER

LOAD DRIVING DEVICE AND SYSTEM, LIMITING POINT CONTROL METHOD AND D...

DEVICE AND SYSTEM FOR LOAD DRIVING

METHOD, APPARATUS AND SYSTEM FOR CONTROLLING LIGHT SOURCE

LIGHT EMITTING DIODE (LED) DIMMING SYSTEM

METHOD, APPARATUS AND SYSTEM FOR CONTROLLING LIGHT SOURCE

CONSTANT-CURRENT LED DRIVER CIRCUIT AND OUTPUT VOLTAGE ADJUSTABLE C...

MULTI-PATH CONSTANT CURRENT DRIVING CIRCUIT

MULTI-PATH CONSTANT CURRENT DRIVING CIRCUIT

HOLLOW, LIQUID COOLING AND STRIP-SHAPED LED LAMP

CONSTANT CURRENT CONTROL CIRCUIT WITH MULTIPLE OUTPUTS FOR LED DRIVER

CIRCUIT TO IMPROVE LIGHT LOAD POWER FACTOR OF POWER SUPPLY

HIGH EFFICIENCY CONSTANT CURRENT LED DRIVER

PWM DIMMING CIRCUIT FOR LED

LED Drive Circuit For SCR Dimming

SYNCHRONOUS RECTIFYING DRIVE CIRCUIT WITH ENERGY FEEDBACK FOR VOLTA...

LED Lamp System Utilizing A Hollow Liquid-Cooled Device

High Frequency Magnetic Current Transducer

Primary Sampling Current Controlled Synchronous Rectifying Drive Ci...

Current Controlled Synchronous Rectifying Drive Circuit

HIGH OUTPUT CURRENT SPLIT PACKAGE A/C ADAPTER