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Yuan-Huang Cheng
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Pingdung City, TW
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Patents Grants
last 30 patents
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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
Patents Applications
last 30 patents
Information
Patent Application
Voltage sense apparatus and method for a capacitor charger
Publication number
20070118311
Publication date
May 24, 2007
Yuan-Huang Cheng
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
Single inductor capacitor charger
Publication number
20060002162
Publication date
Jan 5, 2006
Rong-Jie Tu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Voltage sense apparatus and method for a capacitor charger
Publication number
20050285573
Publication date
Dec 29, 2005
Yuan-Huang Cheng
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER