Koji Takekawa

Person

Kasugai, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Charge and discharge signal circuit and DC-DC converter
- Patent number 9,337,732
- Issue date May 10, 2016
- Fujitsu Limited
- Masafumi Kondou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Amplification circuit and control method of amplification circuit
- Patent number 7,355,481
- Issue date Apr 8, 2008
- Fujitsu Limited
- Koji Takekawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifier circuit and control method thereof
- Patent number 7,345,536
- Issue date Mar 18, 2008
- Fujitsu Limited
- Masaya Mizutani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Comparator circuit and control method thereof
- Patent number 7,336,107
- Issue date Feb 26, 2008
- Fujitsu Limited
- Koji Takekawa
- G01 - MEASURING TESTING
Information Patent Grant
Sensor detection apparatus and sensor
- Patent number 7,271,595
- Issue date Sep 18, 2007
- Fujitsu Limited
- Katsuya Shimizu
- G01 - MEASURING TESTING
Information Patent Grant
Circuit for detecting difference in capacitance
- Patent number 7,250,773
- Issue date Jul 31, 2007
- Fujitsu Limited
- Koji Takekawa
- G01 - MEASURING TESTING
Information Patent Grant
Circuit for detecting difference in capacitance
- Patent number 7,119,555
- Issue date Oct 10, 2006
- Fujitsu Limited
- Koji Takekawa
- G01 - MEASURING TESTING
Information Patent Grant
Reset circuit and pll frequency synthesizer
- Patent number 6,795,516
- Issue date Sep 21, 2004
- Fujitsu Limited
- Koji Takekawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Prescaler and PLL circuit
- Patent number 6,466,065
- Issue date Oct 15, 2002
- Fujitsu Limited
- Koji Takekawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Orthogonal modulator having a modulation mixer
- Patent number 6,347,221
- Issue date Feb 12, 2002
- Fujitsu Limited
- Masahiro Tsukahara
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
CHARGE AND DISCHARGE SIGNAL CIRCUIT AND DC-DC CONVERTER
- Publication number 20140306674
- Publication date Oct 16, 2014
- FUJITSU SEMICONDUCTOR LIMITED
- Masafumi KONDOU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Comparator circuit and control method thereof
- Publication number 20070146015
- Publication date Jun 28, 2007
- FUJITSU LIMITED
- Koji Takekawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Sensor detection apparatus and sensor
- Publication number 20070115005
- Publication date May 24, 2007
- FUJITSU LIMITED
- Katsuya Shimizu
- G01 - MEASURING TESTING
Information Patent Application
Circuit for detecting difference in capacitance
- Publication number 20070007971
- Publication date Jan 11, 2007
- FUJITSU LIMITED
- Koji Takekawa
- G01 - MEASURING TESTING
Information Patent Application
Amplification circuit and control method of amplification circuit
- Publication number 20060220745
- Publication date Oct 5, 2006
- FUJITSU LIMITED
- Koji Takekawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Amplifier circuit and control method thereof
- Publication number 20060208795
- Publication date Sep 21, 2006
- FUJITSU LIMITED
- Masaya Mizutani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Circuit for detecting difference in capacitance
- Publication number 20060017449
- Publication date Jan 26, 2006
- FUJITSU LIMITED
- Koji Takekawa
- G01 - MEASURING TESTING

Koji Takekawa

Person

Patents Grantslast 30 patents

Charge and discharge signal circuit and DC-DC converter

Amplification circuit and control method of amplification circuit

Amplifier circuit and control method thereof

Comparator circuit and control method thereof

Sensor detection apparatus and sensor

Circuit for detecting difference in capacitance

Circuit for detecting difference in capacitance

Reset circuit and pll frequency synthesizer

Prescaler and PLL circuit

Orthogonal modulator having a modulation mixer

Patents Applicationslast 30 patents

CHARGE AND DISCHARGE SIGNAL CIRCUIT AND DC-DC CONVERTER

Comparator circuit and control method thereof

Sensor detection apparatus and sensor

Circuit for detecting difference in capacitance

Amplification circuit and control method of amplification circuit

Amplifier circuit and control method thereof

Circuit for detecting difference in capacitance