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Chu Pei City, TW
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Patents Grants
last 30 patents
Information
Patent Grant
Amplifier with common-mode feedback circuit
Patent number
7,564,306
Issue date
Jul 21, 2009
Realtek Semiconductor Corp.
Chao-Cheng Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Switching regulator
Patent number
7,402,988
Issue date
Jul 22, 2008
Realtek Semiconductor Corp.
Pao-Cheng Chiu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Amplifying circuit with variable supply voltage
Patent number
7,298,214
Issue date
Nov 20, 2007
Realtek Semiconductor Corp.
Chao-Cheng Lee
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
Amplifier with common-mode feedback circuit
Publication number
20080048778
Publication date
Feb 28, 2008
Realtek Semiconductor Corp.
Chao-Cheng Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Amplifying circuit with variable supply voltage
Publication number
20050285682
Publication date
Dec 29, 2005
Chao-Cheng Lee
H03 - BASIC ELECTRONIC CIRCUITRY