Tetsuya KAWASHIMA

Person

Matsumoto-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device and test method thereof
- Patent number 11,430,535
- Issue date Aug 30, 2022
- Fuji Electric Co., Ltd.
- Tetsuya Kawashima
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus comprising a differential amplifier
- Patent number 11,316,504
- Issue date Apr 26, 2022
- Fuji Electric Co., Ltd.
- Tetsuya Kawashima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Reset circuit
- Patent number 10,848,146
- Issue date Nov 24, 2020
- Fuji Electric Co., Ltd.
- Tetsuya Kawashima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Control circuit of switching power supply device
- Patent number 10,236,680
- Issue date Mar 19, 2019
- Fuji Electric Co., Ltd.
- Tetsuya Kawashima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control circuit of switching power supply, insulated switching powe...
- Patent number 9,985,535
- Issue date May 29, 2018
- Fuji Electric Co., Ltd.
- Tetsuya Kawashima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching controller for switching power supply
- Patent number 9,762,130
- Issue date Sep 12, 2017
- Fuji Electric Co., Ltd.
- Tetsuya Kawashima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching power supply device
- Patent number 9,755,527
- Issue date Sep 5, 2017
- Fuji Electric Co., Ltd.
- Tetsuya Kawashima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control device of a switching power supply
- Patent number 9,729,069
- Issue date Aug 8, 2017
- Fuji Electric Co., Ltd.
- Tetsuya Kawashima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus and method for controlling switching power supply
- Patent number 9,602,012
- Issue date Mar 21, 2017
- Fuji Electric Co., Ltd.
- Tetsuya Kawashima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control device for switching power source
- Patent number 9,124,187
- Issue date Sep 1, 2015
- Fuji Electric Co., Ltd.
- Tetsuya Kawashima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power conversion apparatus
- Patent number 8,934,274
- Issue date Jan 13, 2015
- Fuji Electric Co., Ltd.
- Tetsuya Kawashima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching power supply with mode transition control
- Patent number 8,847,566
- Issue date Sep 30, 2014
- Fuji Electric Co., Ltd.
- Masahiro Sasaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching regulator performing output voltage changing function
- Patent number 8,692,531
- Issue date Apr 8, 2014
- Fuji Electric Co., Ltd.
- Tetsuya Kawashima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current correction circuit for power semiconductor device and curre...
- Patent number 8,598,942
- Issue date Dec 3, 2013
- Fuji Electric Co., Ltd.
- Tetsuya Kawashima
- G05 - CONTROLLING REGULATING
Information Patent Grant
Switching power supply system provided with under voltage lock out...
- Patent number 8,558,527
- Issue date Oct 15, 2013
- Fuji Electric Co., Ltd.
- Masahiro Sasaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Digital control switching regulator having an input voltage detecti...
- Patent number 8,552,702
- Issue date Oct 8, 2013
- Fuji Electric Co., Ltd.
- Masahiro Sasaki
- G05 - CONTROLLING REGULATING
Information Patent Grant
Digitally controlled integrated DC-DC converter with transient supp...
- Patent number 8,441,242
- Issue date May 14, 2013
- Fuji Electric Co., Ltd.
- Wai Tung Ng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Digital control switching power supply unit
- Patent number 8,421,430
- Issue date Apr 16, 2013
- Fuji Electric Co., Ltd.
- Masahiro Sasaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Digital control switching power supply unit
- Patent number 8,164,318
- Issue date Apr 24, 2012
- Fuji Electric Co., Ltd.
- Masahiro Sasaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-DC converter
- Patent number 7,812,578
- Issue date Oct 12, 2010
- Fuji Electric Systems Co., Ltd.
- Satoshi Sugahara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR DEVICE AND TEST METHOD THEREOF
- Publication number 20200402603
- Publication date Dec 24, 2020
- Fuji Electric Co., Ltd.
- Tetsuya KAWASHIMA
- G11 - INFORMATION STORAGE
Information Patent Application
RESET CIRCUIT
- Publication number 20200220535
- Publication date Jul 9, 2020
- Fuji Electric Co., Ltd.
- Tetsuya KAWASHIMA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
APPARATUS COMPRISING A DIFFERENTIAL AMPLIFIER
- Publication number 20200044637
- Publication date Feb 6, 2020
- Fuji Electric Co., Ltd.
- Tetsuya KAWASHIMA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CONTROL CIRCUIT OF SWITCHING POWER SUPPLY, INSULATED SWITCHING POWE...
- Publication number 20180076716
- Publication date Mar 15, 2018
- Fuji Electric Co., Ltd.
- Tetsuya KAWASHIMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROL CIRCUIT OF SWITCHING POWER SUPPLY DEVICE
- Publication number 20180062383
- Publication date Mar 1, 2018
- Fuji Electric Co., Ltd.
- Tetsuya KAWASHIMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCHING POWER SUPPLY DEVICE
- Publication number 20170149339
- Publication date May 25, 2017
- Fuji Electric Co., Ltd.
- Tetsuya KAWASHIMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
APPARATUS AND METHOD FOR CONTROLLING SWITCHING POWER SUPPLY
- Publication number 20160373011
- Publication date Dec 22, 2016
- Fuji Electric Co., Ltd.
- Tetsuya KAWASHIMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCHING CONTROLLER FOR SWITCHING POWER SUPPLY
- Publication number 20160359418
- Publication date Dec 8, 2016
- Fuji Electric Co., Ltd.
- Tetsuya KAWASHIMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROL DEVICE FOR SWITCHING POWER SOURCE
- Publication number 20150214845
- Publication date Jul 30, 2015
- Fuji Electric Co., Ltd.
- Tetsuya KAWASHIMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROL DEVICE OF A SWITCHING POWER SUPPLY
- Publication number 20150023066
- Publication date Jan 22, 2015
- Fuji Electric Co., Ltd.
- Tetsuya KAWASHIMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERSION APPARATUS
- Publication number 20140226380
- Publication date Aug 14, 2014
- Fuji Electric Co., Ltd.
- Tetsuya KAWASHIMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CURRENT CORRECTION CIRCUIT FOR POWER SEMICONDUCTOR DEVICE AND CURRE...
- Publication number 20130257517
- Publication date Oct 3, 2013
- Fuji Electric Co., Ltd.
- Tetsuya Kawashima
- G01 - MEASURING TESTING
Information Patent Application
SWITCHING REGULATOR PERFORMING OUTPUT VOLTAGE CHANGING FUNCTION
- Publication number 20120194157
- Publication date Aug 2, 2012
- Fuji Electric Co., Ltd.
- Tetsuya KAWASHIMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DIGITALLY CONTROLLED INTEGRATED DC-DC CONVERTER WITH TRANSIENT SUPP...
- Publication number 20110298439
- Publication date Dec 8, 2011
- University of Toronto
- Wai Tung NG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCHING POWER SUPPLY SYSTEM PROVIDED WITH UNDER VOLTAGE LOCK OUT...
- Publication number 20110279101
- Publication date Nov 17, 2011
- Fuji Electric Co., Ltd.
- Masahiro SASAKI
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DIGITAL CONTROL SWITCHING REGULATOR HAVING AN INPUT VOLTAGE DETECTI...
- Publication number 20110215781
- Publication date Sep 8, 2011
- Fuji Electric Systems Co., Ltd.
- Masahiro SASAKI
- G05 - CONTROLLING REGULATING
Information Patent Application
DIGITAL CONTROL SWITCHING POWER SUPPLY UNIT
- Publication number 20110133712
- Publication date Jun 9, 2011
- Fuji Electric Systems Co., Ltd.
- Masahiro SASAKI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DIGITAL CONTROL SWITCHING POWER SUPPLY UNIT
- Publication number 20110068965
- Publication date Mar 24, 2011
- Fuji Electric Systems Co., Ltd.
- Masahiro SASAKI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Switching power supply
- Publication number 20100270989
- Publication date Oct 28, 2010
- Fuji Electric Systems Co., Ltd.
- Masahiro Sasaki
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DC-DC CONVERTER
- Publication number 20090096436
- Publication date Apr 16, 2009
- Fuji Electric Device Technology Co., LTD.
- Satoshi SUGAHARA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Tetsuya KAWASHIMA

Person

Patents Grantslast 30 patents

Semiconductor device and test method thereof

Apparatus comprising a differential amplifier

Reset circuit

Control circuit of switching power supply device

Control circuit of switching power supply, insulated switching powe...

Switching controller for switching power supply

Switching power supply device

Control device of a switching power supply

Apparatus and method for controlling switching power supply

Control device for switching power source

Power conversion apparatus

Switching power supply with mode transition control

Switching regulator performing output voltage changing function

Current correction circuit for power semiconductor device and curre...

Switching power supply system provided with under voltage lock out...

Digital control switching regulator having an input voltage detecti...

Digitally controlled integrated DC-DC converter with transient supp...

Digital control switching power supply unit

Digital control switching power supply unit

DC-DC converter

Patents Applicationslast 30 patents

SEMICONDUCTOR DEVICE AND TEST METHOD THEREOF

RESET CIRCUIT

APPARATUS COMPRISING A DIFFERENTIAL AMPLIFIER

CONTROL CIRCUIT OF SWITCHING POWER SUPPLY, INSULATED SWITCHING POWE...

CONTROL CIRCUIT OF SWITCHING POWER SUPPLY DEVICE

SWITCHING POWER SUPPLY DEVICE

APPARATUS AND METHOD FOR CONTROLLING SWITCHING POWER SUPPLY

SWITCHING CONTROLLER FOR SWITCHING POWER SUPPLY

CONTROL DEVICE FOR SWITCHING POWER SOURCE

CONTROL DEVICE OF A SWITCHING POWER SUPPLY

POWER CONVERSION APPARATUS

CURRENT CORRECTION CIRCUIT FOR POWER SEMICONDUCTOR DEVICE AND CURRE...

SWITCHING REGULATOR PERFORMING OUTPUT VOLTAGE CHANGING FUNCTION

DIGITALLY CONTROLLED INTEGRATED DC-DC CONVERTER WITH TRANSIENT SUPP...

SWITCHING POWER SUPPLY SYSTEM PROVIDED WITH UNDER VOLTAGE LOCK OUT...

DIGITAL CONTROL SWITCHING REGULATOR HAVING AN INPUT VOLTAGE DETECTI...

DIGITAL CONTROL SWITCHING POWER SUPPLY UNIT

DIGITAL CONTROL SWITCHING POWER SUPPLY UNIT

Switching power supply

DC-DC CONVERTER