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Kwok-F Chiu
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San Jose, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Short circuit protection with reduced offset voltage
Patent number
8,416,547
Issue date
Apr 9, 2013
National Semiconductor Corporation
Kwok-Fu Chiu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Circuitry including matched transistor pairs
Patent number
8,339,197
Issue date
Dec 25, 2012
National Semiconductor Corporation
Kwok-Fu Chiu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Apparatus and method for start-up for a synchronous switching regul...
Patent number
7,859,233
Issue date
Dec 28, 2010
National Semiconductor Corporation
Faruk Jose Nome Silva
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Adjustment of op amp offset voltage temperature coefficient
Patent number
7,791,401
Issue date
Sep 7, 2010
National Semiconductor Corporation
Kwok-Fu Chiu
G05 - CONTROLLING REGULATING
Information
Patent Grant
Wide input common mode for input bias current cancellation
Patent number
7,564,309
Issue date
Jul 21, 2009
National Semiconductor Corportaion
Kwok-Fu Chiu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Apparatus and method for dual features of frequency setting and fre...
Patent number
7,196,589
Issue date
Mar 27, 2007
National Semiconductor Corporation
Faruk Jose Nome Silva
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Apparatus and method for monotonic start up of a synchronous switch...
Patent number
7,109,688
Issue date
Sep 19, 2006
National Semiconductor Corporation
Kwok-Fu Chiu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus and method for start-up for a synchronous switching regul...
Patent number
7,045,992
Issue date
May 16, 2006
National Semiconductor Corporation
Faruk Jose Nome Silva
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Very low temperature coefficient for current limit in switching reg...
Patent number
6,496,052
Issue date
Dec 17, 2002
National Semiconductor Corporation
Kwok-Fu Chiu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Cancellation of Ron resistance for switching transistor in LVDS dri...
Patent number
6,218,884
Issue date
Apr 17, 2001
National Semiconductor Corp.
Kwok Fu Chiu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Low power class A amplifier circuit
Patent number
6,137,361
Issue date
Oct 24, 2000
National Semiconductor Corporation
Kwok Fu Chiu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Low power bias circuit using FET as a resistor
Patent number
5,892,388
Issue date
Apr 6, 1999
National Semiconductor Corporation
Kwok-Fu Chiu
G05 - CONTROLLING REGULATING
Information
Patent Grant
Output circuit with short circuit protection for a CMOS comparator
Patent number
5,644,264
Issue date
Jul 1, 1997
National Semiconductor Corporation
Kwok-Fu Chiu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Output circuit with short circuit protection for a CMOS comparator
Patent number
5,525,934
Issue date
Jun 11, 1996
National Semiconductor Corporation
Kwok-Fu Chiu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
"AB Cascode" amplifier in an input stage of an amplifier or comparator
Patent number
5,471,172
Issue date
Nov 28, 1995
National Semiconductor Corporation
Kwok-Fu Chiu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Input protection circuit for a CMOS comparator
Patent number
5,471,175
Issue date
Nov 28, 1995
National Semiconductor Corporation
Kwok-Fu Chiu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Circuit for generating a process variation insensitive reference bi...
Patent number
5,469,111
Issue date
Nov 21, 1995
National Semiconductor Corporation
Kwok-F Chiu
G05 - CONTROLLING REGULATING
Patents Applications
last 30 patents
Information
Patent Application
CIRCUITRY INCLUDING MATCHED TRANSISTOR PAIRS
Publication number
20120139634
Publication date
Jun 7, 2012
Kwok-Fu Chiu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Short circuit protection with reduced offset voltage
Publication number
20080123235
Publication date
May 29, 2008
Kwok-Fu CHIU
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Wide input common mode for input bias current cancellation
Publication number
20080068085
Publication date
Mar 20, 2008
Kwok-Fu CHIU
H03 - BASIC ELECTRONIC CIRCUITRY