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Jungshan Chiu, TW
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Patents Grants
last 30 patents
Information
Patent Grant
Switched capacitor voltage converter circuit and switched capacitor...
Patent number
12,184,168
Issue date
Dec 31, 2024
Richtek Technology Corporation
Kuo-Chi Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Resonant switching power converter circuit
Patent number
11,955,884
Issue date
Apr 9, 2024
Richtek Technology Corporation
Kuo-Chi Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Resonant switching power converter
Patent number
11,742,751
Issue date
Aug 29, 2023
Richtek Technology Corporation
Kuo-Chi Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Resonant switching power converter and driving circuit thereof
Patent number
11,742,760
Issue date
Aug 29, 2023
Kuo-Chi Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Resonant switching power converter having charging/discharging dura...
Patent number
11,736,007
Issue date
Aug 22, 2023
Kuo-Chi Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
SCC-based DC-DC power conversion system capable of receiving switch...
Patent number
11,716,020
Issue date
Aug 1, 2023
Richtek Technology Corp.
Kuo-Chi Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Pipeline resonant and non-resonant switched capacitor converter cir...
Patent number
11,682,966
Issue date
Jun 20, 2023
Richtek Technology Corporation
Kuo-Chi Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Resonant switching power converter
Patent number
11,671,002
Issue date
Jun 6, 2023
Richtek Technology Corporation
Kuo-Chi Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Resonant switching power converter capable of performing dischargin...
Patent number
11,646,654
Issue date
May 9, 2023
Richtek Technology Corporation
Kuo-Chi Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Resonant switching power converter
Patent number
11,601,048
Issue date
Mar 7, 2023
RICHTEK TECHNOLOGY CORPOATION
Kuo-Chi Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Resonant switching power converter
Patent number
11,552,547
Issue date
Jan 10, 2023
Richtek Technology Corporation
Kuo-Chi Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power converter
Patent number
11,418,112
Issue date
Aug 16, 2022
Richtek Technology Corporation
Kuo-Chi Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Two-stage power converter
Patent number
11,411,493
Issue date
Aug 9, 2022
Richtek Technology Corporation
Kuo-Chi Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Power converting circuit and control circuit thereof
Patent number
9,041,374
Issue date
May 26, 2015
Richtek Technology Corporation
Hung-Yu Cheng
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Two-stage power supply with feedback adjusted power supply rejectio...
Patent number
8,125,204
Issue date
Feb 28, 2012
Richtek Technology Corporation
Jing-Meng Liu
G05 - CONTROLLING REGULATING
Information
Patent Grant
Charger control circuit and charger control method
Patent number
8,022,672
Issue date
Sep 20, 2011
Richtek Technology Corporation
Chung-Lung Pai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Pulse width modulation regulator system with automatically switchin...
Patent number
7,751,471
Issue date
Jul 6, 2010
Richtek Technology Corp.
Kwan-Jen Chu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Pulse width modulation regulator system with automatically switchin...
Patent number
7,746,926
Issue date
Jun 29, 2010
Richtek Technology Corp.
Kwan-Jen Chu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
LED driver using a depletion mode transistor to serve as a current...
Patent number
7,728,529
Issue date
Jun 1, 2010
Richtek Technology Corporation, R.O.C.
Jing-Meng Liu
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Capacitor charger with a modulated current varying with an input vo...
Patent number
7,656,133
Issue date
Feb 2, 2010
Richtek Technology Corp.
Chung-Lung Pai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Capacitor charger with a modulated current varying with an input vo...
Patent number
7,619,394
Issue date
Nov 17, 2009
Richtek Technology Corp.
Chung-Lung Pai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Control circuit and method for a fly-back voltage converter
Patent number
7,518,888
Issue date
Apr 14, 2009
Richtek Technology Corp.
Kwan-Jen Chu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Dual-input power converter and control methods thereof
Patent number
7,411,316
Issue date
Aug 12, 2008
Richtek Technology Corp.
Chung-Lung Pai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus and method for over-voltage and over-current protection f...
Patent number
7,411,379
Issue date
Aug 12, 2008
Richtek Technology Corp.
Kwan-Jen Chu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Offset independent sense circuit and method
Patent number
7,388,409
Issue date
Jun 17, 2008
Richtek Technology Corp.
Chung-Lung Pai
G11 - INFORMATION STORAGE
Information
Patent Grant
Control apparatus and method for a boost-inverting converter
Patent number
7,327,124
Issue date
Feb 5, 2008
Richtek Technology Corp.
Jing-Meng Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Offset independent sense circuit and method
Patent number
7,274,219
Issue date
Sep 25, 2007
Richtek Technology Corp.
Chung-Lung Pai
G11 - INFORMATION STORAGE
Information
Patent Grant
Organic electroluminescent device and organic electroluminescent co...
Patent number
7,264,891
Issue date
Sep 4, 2007
Rit Display Corporation
Hsien-Chang Lin
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for determining switching state of a transistor-based switch...
Patent number
7,248,084
Issue date
Jul 24, 2007
Richtek Technology Corp.
Chun-Yen Huang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Power adapter with optional types of replaceable plug
Patent number
7,232,322
Issue date
Jun 19, 2007
Atech Technology Co., Ltd.
Lich-Chyum Yen
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Switched Capacitor Voltage Converter Circuit and Switched Capacitor...
Publication number
20230028873
Publication date
Jan 26, 2023
RICHTEK TECHNOLOGY CORPORATION
Kuo-Chi Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Resonant Switching Power Converter Circuit
Publication number
20220368218
Publication date
Nov 17, 2022
RICHTEK TECHNOLOGY CORPORATION
Kuo-Chi Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SCC-BASED DC-DC POWER CONVERSION SYSTEM CAPABLE OF RECEIVING SWITCH...
Publication number
20220352816
Publication date
Nov 3, 2022
RICHTEK TECHNOLOGY CORP.
Kuo-Chi Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
RESONANT SWITCHING POWER CONVERTER AND DRIVING CIRCUIT THEREOF
Publication number
20220166324
Publication date
May 26, 2022
RICHTEK TECHNOLOGY CORPORATION
Kuo-Chi Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
RESONANT SWITCHING POWER CONVERTER
Publication number
20220140726
Publication date
May 5, 2022
RICHTEK TECHNOLOGY CORPORATION
Kuo-Chi Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
RESONANT SWITCHING POWER CONVERTER
Publication number
20220029531
Publication date
Jan 27, 2022
RICHTEK TECHNOLOGY CORPORATION
Kuo-Chi Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
RESONANT SWITCHING POWER CONVERTER
Publication number
20210399621
Publication date
Dec 23, 2021
RICHTEK TECHNOLOGY CORPORATION
Kuo-Chi Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Two-Stage Power Converter
Publication number
20210384820
Publication date
Dec 9, 2021
RICHTEK TECHNOLOGY CORPORATION
Kuo-Chi Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
RESONANT SWITCHING POWER CONVERTER
Publication number
20210376717
Publication date
Dec 2, 2021
RICHTEK TECHNOLOGY CORPORATION
Kuo-Chi Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Resonant Switching Power Converter
Publication number
20210367520
Publication date
Nov 25, 2021
RICHTEK TECHNOLOGY CORPORATION
Kuo-Chi Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
PIPELINE RESONANT AND NON-RESONANT SWITCHED CAPACITOR CONVERTER CIR...
Publication number
20210367511
Publication date
Nov 25, 2021
RICHTEK TECHNOLOGY CORPORATION
Kuo-Chi Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
RESONANT SWITCHING POWER CONVERTER
Publication number
20210351695
Publication date
Nov 11, 2021
RICHTEK TECHNOLOGY CORPORATION
Kuo-Chi Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
POWER CONVERTER
Publication number
20210328507
Publication date
Oct 21, 2021
RICHTEK TECHNOLOGY CORPORATION
Kuo-Chi Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
POWER CONVERTING CIRCUIT AND CONTROL CIRCUIT THEREOF
Publication number
20140266133
Publication date
Sep 18, 2014
Richtek Technology Corporation
Hung-Yu CHENG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Switching Regulator and Control Circuit Thereof
Publication number
20140210439
Publication date
Jul 31, 2014
Richtek Technology Corporation
Tzu-Huan Chiu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Charger control circuit and charger control method
Publication number
20090243551
Publication date
Oct 1, 2009
Richtek Technology Corporation
Chung-Lung Pai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Capacitor charger with a modulated current varying with an input vo...
Publication number
20090195221
Publication date
Aug 6, 2009
Chung-Lung Pai
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
PULSE WIDTH MODULATION REGULATOR SYSTEM WITH AUTOMATICALLY SWITCHIN...
Publication number
20090115389
Publication date
May 7, 2009
Kwan-Jen Chu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Power supply with high efficiency and low noise
Publication number
20080180073
Publication date
Jul 31, 2008
Richtek Technology Corporation
Jing-Meng Liu
G05 - CONTROLLING REGULATING
Information
Patent Application
Offset independent sense circuit and method
Publication number
20070273409
Publication date
Nov 29, 2007
Chung-Lung Pai
G11 - INFORMATION STORAGE
Information
Patent Application
POWER ADAPTER WITH OPTIONAL TYPES OF REPLACEABLE PLUG
Publication number
20070161278
Publication date
Jul 12, 2007
ATECH TECHNOLOGY CO., LTD.
Lich-Chyum Yen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Delay cell using a capacitor displacement current
Publication number
20070030046
Publication date
Feb 8, 2007
Chung-Lung Pai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Pulse width modulation regulator system with automatically switchin...
Publication number
20060268974
Publication date
Nov 30, 2006
Richtek Technology Corp.
Kwan-Jen Chu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DIRECT CURRENT VOLTAGE BOOSTING/BUCKING DEVICE
Publication number
20060261790
Publication date
Nov 23, 2006
Liang-Pin Tai
G05 - CONTROLLING REGULATING
Information
Patent Application
Control circuit and method for a fly-back voltage converter
Publication number
20060250827
Publication date
Nov 9, 2006
Kwan-Jen Chu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Control apparatus and method for a boost-inverting converter
Publication number
20060214648
Publication date
Sep 28, 2006
Jing-Meng Liu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Dual-input power converter and control methods thereof
Publication number
20060170400
Publication date
Aug 3, 2006
Chung-Lung Pai
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Power metal oxide semiconductor transistor layout with lower output...
Publication number
20060138565
Publication date
Jun 29, 2006
Richtek Technology Corp.
Hung-Der Su
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Apparatus and method for over-voltage and over-current protection f...
Publication number
20060132997
Publication date
Jun 22, 2006
Kwan-Jen Chu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Method for determining switching state of a transistor-based switch...
Publication number
20060109046
Publication date
May 25, 2006
Richtek Technology Corp.
Chun-Yen Huang
H03 - BASIC ELECTRONIC CIRCUITRY