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Taoyuan County, TW
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Patents Grants
last 30 patents
Information
Patent Grant
Switching controller circuit and method for controlling flyback pow...
Patent number
11,139,742
Issue date
Oct 5, 2021
Wei-Hsu Chang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Flyback power converter and secondary side controller circuit and c...
Patent number
11,139,744
Issue date
Oct 5, 2021
Richtek Technology Corporation
Wei-Hsu Chang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
LED drive circuit with a programmable input for LED lighting
Patent number
11,026,309
Issue date
Jun 1, 2021
Semiconductor Components Industries, LLC
Ta-Yung Yang
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Flyback power converter circuit and control circuit and control met...
Patent number
11,018,597
Issue date
May 25, 2021
Richtek Technology Corporation
Ta-Yung Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
LED drive circuit with a programmable input for LED lighting
Patent number
10,531,528
Issue date
Jan 7, 2020
FAIRCHILD SEMICONDUCTOR CORPORATION
Ta-Yung Yang
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
LED drive circuit with a programmable input for LED lighting
Patent number
10,412,796
Issue date
Sep 10, 2019
FAIRCHILD SEMICONDUCTOR CORPORATION
Ta-Yung Yang
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
LED drive circuit with a programmable input for LED lighting
Patent number
9,049,764
Issue date
Jun 2, 2015
System General Corp.
Ta-Yung Yang
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
High-speed reflected signal detection for primary-side controlled p...
Patent number
8,854,841
Issue date
Oct 7, 2014
System General Corporation
Ta-Yung Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
LED drive circuit with a programmable input for LED lighting
Patent number
8,742,677
Issue date
Jun 3, 2014
System General Corp.
Ta-Yung Yang
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Control circuit with burst mode and extended valley switching for q...
Patent number
8,587,964
Issue date
Nov 19, 2013
System General Corp.
Ta-yung Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Output voltage control circuit of power converter for light-load po...
Patent number
8,559,196
Issue date
Oct 15, 2013
System General Corp.
Ta-Yung Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and apparatus for a LED driver with high power factor
Patent number
8,432,109
Issue date
Apr 30, 2013
System General Corp.
Ta-Yung Yang
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Control circuit having off-time modulation to operate power convert...
Patent number
8,094,468
Issue date
Jan 10, 2012
System General Corp.
Ta-Yung Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and apparatus for measuring the switching current of power c...
Patent number
7,965,528
Issue date
Jun 21, 2011
System General Corporation
Ta-Yung Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Detection circuit to detect input voltage of transformer and detect...
Patent number
7,701,734
Issue date
Apr 20, 2010
System General Corp.
Chuh-Ching Li
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Detection circuit for sensing the input voltage of transformer
Patent number
7,671,578
Issue date
Mar 2, 2010
System General Corp.
Chuh-Ching Li
G01 - MEASURING TESTING
Information
Patent Grant
Control circuit for measuring and regulating output current of CCM...
Patent number
7,663,352
Issue date
Feb 16, 2010
System General Corp.
Ta-yung Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Primary-side controlled switching regulator
Patent number
7,561,447
Issue date
Jul 14, 2009
System General Corp.
Ta-yung Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and apparatus for detecting switching current of magnetic de...
Patent number
7,518,416
Issue date
Apr 14, 2009
System General Corp.
Ta-yung Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Control circuit of power converter having adaptive bias for detecti...
Patent number
7,492,613
Issue date
Feb 17, 2009
System General Corp.
Ta-yung Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Transistor drive circuit of power converter operating in a wide vol...
Patent number
7,471,121
Issue date
Dec 30, 2008
System General Corp.
Ta-Yung Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power converter having phase lock circuit for quasi-resonant soft s...
Patent number
7,466,569
Issue date
Dec 16, 2008
System General Corporation
Ta-Yung Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Switching control circuit having a valley voltage detector to achie...
Patent number
7,426,120
Issue date
Sep 16, 2008
System General Corporation
Ta-Yung Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
High-side transistor driver having positive feedback for improving...
Patent number
7,405,595
Issue date
Jul 29, 2008
System General Corp.
Ta-yung Yang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Switching control circuit having off-time modulation to improve eff...
Patent number
7,362,593
Issue date
Apr 22, 2008
System General Corp.
Ta-yung Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Switching control circuit for primary-side controlled power converters
Patent number
7,362,592
Issue date
Apr 22, 2008
System General Corp.
Ta-yung Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Primary-side controlled switching regulator
Patent number
7,352,595
Issue date
Apr 1, 2008
System General Corp.
Ta-yung Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
SWITCHING CONTROLLER CIRCUIT AND METHOD FOR CONTROLLING FLYBACK POW...
Publication number
20210126543
Publication date
Apr 29, 2021
RICHTEK TECHNOLOGY CORPORATION
Wei-Hsu Chang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
FLYBACK POWR CONVERTER AND SECONDARY SIDE CONTROLLER CIRCUIT AND CO...
Publication number
20210111634
Publication date
Apr 15, 2021
RICHTEK TECHNOLOGY CORPORATION
Wei-Hsu Chang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
FLYBACK POWER CONVERTER CIRCUIT AND CONTROL CIRCUIT AND CONTROL MET...
Publication number
20200358367
Publication date
Nov 12, 2020
RICHTEK TECHNOLOGY CORPORATION
Ta-Yung Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
LED DRIVE CIRCUIT WITH A PROGRAMMABLE INPUT FOR LED LIGHTING
Publication number
20200107414
Publication date
Apr 2, 2020
Fairchild Semiconductor Corporation
Ta-Yung YANG
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
LED DRIVE CIRCUIT WITH A PROGRAMMABLE INPUT FOR LED LIGHTING
Publication number
20190350057
Publication date
Nov 14, 2019
Fairchild Semiconductor Corporation
Ta-Yung YANG
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
LED DRIVE CIRCUIT WITH A PROGRAMMABLE INPUT FOR LED LIGHTING
Publication number
20150264761
Publication date
Sep 17, 2015
SYSTEM GENERAL CORP.
TA-YUNG YANG
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
LED DRIVE CIRCUIT WITH A PROGRAMMABLE INPUT FOR LED LIGHTING
Publication number
20140232284
Publication date
Aug 21, 2014
SYSTEM GENERAL CORP.
TA-YUNG YANG
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD AND APPARATUS FOR A LED DRIVER WITH HIGH POWER FACTOR
Publication number
20120081039
Publication date
Apr 5, 2012
SYSTEM GENERAL CORP.
TA-YUNG YANG
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
High-Speed Reflected Signal Detection for Primary-Side Controlled P...
Publication number
20110255309
Publication date
Oct 20, 2011
SYSTEM GENERAL CORPORATION
Ta-Yung Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Method and Apparatus for Detecting CCM Operation of a Magnetic Device
Publication number
20110254537
Publication date
Oct 20, 2011
SYSTEM GENERAL CORP.
TA-YUNG YANG
G01 - MEASURING TESTING
Information
Patent Application
LED DRIVE CIRCUIT WITH A PROGRAMMABLE INPUT FOR LED LIGHTING
Publication number
20110169418
Publication date
Jul 14, 2011
SYSTEM GENERAL CORP.
TA-YUNG YANG
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
OUTPUT VOLTAGE CONTROL CIRCUIT OF POWER CONVERTER FOR LIGHT-LOAD PO...
Publication number
20100232187
Publication date
Sep 16, 2010
SYSTEM GENERAL CORP.
Ta-Yung YANG
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
CONTROL CIRCUIT HAVING OFF-TIME MODULATION TO OPERATE POWER CONVERT...
Publication number
20100097104
Publication date
Apr 22, 2010
SYSTEM GENERAL CORP.
Ta-Yung Yang
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
METHOD AND APPARATUS FOR MEASURING THE SWITCHING CURRENT OF POWER C...
Publication number
20090310388
Publication date
Dec 17, 2009
SYSTEM GENERAL CORPORATION
Ta-Yung YANG
G01 - MEASURING TESTING
Information
Patent Application
CONTROL CIRCUIT FOR MEASURING AND REGULATING OUTPUT CURRENT OF CCM...
Publication number
20090058389
Publication date
Mar 5, 2009
SYSTEM GENERAL CORP.
Ta-yung Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
METHOD AND APPARATUS FOR DETECTING SWITCHING CURRENT OF MAGNETIC DE...
Publication number
20080309380
Publication date
Dec 18, 2008
SYSTEM GENERAL CORP.
Ta-yung Yang
G01 - MEASURING TESTING
Information
Patent Application
Transistor Driver Circuit of Power Converter
Publication number
20080150503
Publication date
Jun 26, 2008
Ta-Yung Yang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
PRIMARY-SIDE CONTROLLED SWITCHING REGULATOR
Publication number
20080136393
Publication date
Jun 12, 2008
SYSTEM GENERAL CORP.
Ta-yung Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DETECTION CIRCUIT TO DETECT INPUT VOLTAGE OF TRANSFORMER AND DETECT...
Publication number
20080048633
Publication date
Feb 28, 2008
SYSTEM GENERAL CORP.
Chuh-Ching Li
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DETECTION CIRCUIT FOR SENSING THE INPUT VOLTAGE OF TRANSFORMER
Publication number
20080012547
Publication date
Jan 17, 2008
SYSTEM GENERAL CORP.
Chuh-Ching Li
G01 - MEASURING TESTING
Information
Patent Application
Control circuit of power converter having adaptive bias for detecti...
Publication number
20070133231
Publication date
Jun 14, 2007
Ta-yung Yang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Switching control circuit having a valley voltage detector to achie...
Publication number
20070121352
Publication date
May 31, 2007
Ta-Yung Yang
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
High-side transistor driver having positive feedback for improving...
Publication number
20070109020
Publication date
May 17, 2007
Ta-yung Yang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Power converter having phase lock circuit for quasi-resonant soft s...
Publication number
20070109820
Publication date
May 17, 2007
Ta-Yung Yang
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Primary-side controlled switching regulator
Publication number
20070103134
Publication date
May 10, 2007
Ta-yung Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Switching control circuit for primary-side controlled power converters
Publication number
20060056204
Publication date
Mar 16, 2006
Ta-yung Yang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Switching control circuit having off-time modulation to improve eff...
Publication number
20060055433
Publication date
Mar 16, 2006
Ta-yung Yang
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...