Fumihiro Endo

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method and system for monitoring partial discharge in gas-insulated...
- Patent number 7,388,384
- Issue date Jun 17, 2008
- Japan AE Power Systems Corporation
- Tatsuro Kato
- G01 - MEASURING TESTING
Information Patent Grant
Method and system for measuring partial discharge
- Patent number 7,256,584
- Issue date Aug 14, 2007
- Japan AE Power Systems Corporation
- Tomohiro Moriyama
- G01 - MEASURING TESTING
Information Patent Grant
Gas-insulated switchgear tank
- Patent number 7,193,172
- Issue date Mar 20, 2007
- Hitachi, Ltd.
- Toshiaki Rokunohe
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gas insulating apparatus and method for locating fault point thereof
- Patent number 7,064,267
- Issue date Jun 20, 2006
- Hitachi, Ltd.
- Tatsuro Kato
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gas insulating apparatus and method for locating fault point thereof
- Patent number 7,027,280
- Issue date Apr 11, 2006
- Hitachi, Ltd.
- Tatsuro Kato
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gas insulating apparatus and method for locating fault point thereof
- Patent number 6,853,528
- Issue date Feb 8, 2005
- Hitachi, Ltd.
- Tatsuro Kato
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gas insulated device and failure rating method
- Patent number 6,850,399
- Issue date Feb 1, 2005
- Hitachi, Ltd.
- Tatsuro Kato
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gas insulated switchgear
- Patent number 6,759,616
- Issue date Jul 6, 2004
- Hitachi, Ltd.
- Toshiaki Rokunohe
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gas insulated switchgear
- Patent number 6,680,453
- Issue date Jan 20, 2004
- Hitachi, Ltd.
- Toshiaki Rokunohe
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method of diagnosing partial discharge in gas-insulated apparatus a...
- Patent number 6,483,316
- Issue date Nov 19, 2002
- Hitachi, Ltd.
- Tatsuro Kato
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Insulated device diagnosing system that prepares detection data fro...
- Patent number 6,424,162
- Issue date Jul 23, 2002
- Hitachi, Ltd.
- Toshiaki Rokunohe
- G01 - MEASURING TESTING
Information Patent Grant
Method of diagnosing partial discharge in gas-insulated apparatus a...
- Patent number 6,300,768
- Issue date Oct 9, 2001
- Hitachi, Ltd.
- Tatsuro Kato
- G01 - MEASURING TESTING
Information Patent Grant
Bushing
- Patent number 6,218,627
- Issue date Apr 17, 2001
- Hitachi, Ltd.
- Katsuji Shindo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas insulated electric apparatus
- Patent number 6,063,997
- Issue date May 16, 2000
- Hitachi, Ltd.
- Fumihiro Endo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gas insulated switchgear
- Patent number 6,002,085
- Issue date Dec 14, 1999
- Hitachi, Ltd.
- Tomoaki Utsumi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Insulated device diagnosing system for diagnosing device based upon...
- Patent number 5,982,181
- Issue date Nov 9, 1999
- Hitachi, Ltd.
- Toshiaki Rokunohe
- G01 - MEASURING TESTING
Information Patent Grant
Enclosed electric conductor arrangement
- Patent number 5,798,484
- Issue date Aug 25, 1998
- Hitachi, Ltd.
- Tokio Yamagiwa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Insulation gas filled circuit breaker
- Patent number 5,728,989
- Issue date Mar 17, 1998
- Hitachi, Ltd.
- Tomoaki Utsumi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas insulated device, gas insulated switchgear, gas insulated bus l...
- Patent number 5,689,088
- Issue date Nov 18, 1997
- Hitachi, Ltd.
- Toshiaki Rokunohe
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method of configuring a neural network and a diagnosis/control syst...
- Patent number 5,627,941
- Issue date May 6, 1997
- Hitachi, Ltd.
- Isao Takahashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of configuring a neural network and a diagnosis/recognition...
- Patent number 5,598,509
- Issue date Jan 28, 1997
- Hitachi, Ltd.
- Isao Takahashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Gas blast, puffer type circuit breaker with improved nozzle
- Patent number 5,274,205
- Issue date Dec 28, 1993
- Hitachi, Ltd.
- Masanori Tsukushi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power apparatus and method of location of a fault in a power appara...
- Patent number 5,256,976
- Issue date Oct 26, 1993
- Hitachi, Ltd.
- Toshio Ishikawa
- G01 - MEASURING TESTING
Information Patent Grant
Abnormality diagnosing system and method for a high voltage power a...
- Patent number 5,214,595
- Issue date May 25, 1993
- Hitachi, Ltd.
- Jun Ozawa
- G01 - MEASURING TESTING
Information Patent Grant
Abnormality diagnosing system and method for a high voltage power a...
- Patent number 5,107,447
- Issue date Apr 21, 1992
- Hitachi, Ltd.
- Jun Ozawa
- G01 - MEASURING TESTING
Information Patent Grant
Conductor supporting apparatus for gas insulated equipment
- Patent number 4,672,150
- Issue date Jun 9, 1987
- Hitachi, Ltd.
- Tokio Yamagiwa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gas-insulated circuit breaker
- Patent number 4,667,072
- Issue date May 19, 1987
- Hitachi, Ltd.
- Fumihiro Endo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas insulated apparatus with internal coated insulation layer of hi...
- Patent number 4,667,061
- Issue date May 19, 1987
- Hitachi, Ltd.
- Toshio Ishikawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gas-insulated electrical apparatus with electret for captivating co...
- Patent number 4,564,721
- Issue date Jan 14, 1986
- Hitachi, Ltd.
- Toshio Ishikawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Temperature measurement apparatus
- Patent number 4,345,471
- Issue date Aug 24, 1982
- Hitachi, Ltd.
- Fumihiro Endo
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Gas-insulated switchgear tank
- Publication number 20060186091
- Publication date Aug 24, 2006
- Hitachi Ltd.
- Toshiaki Rokunohe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method and system for measuring partial discharge
- Publication number 20060164100
- Publication date Jul 27, 2006
- Hitachi, Ltd.
- Tomohiro Moriyama
- G01 - MEASURING TESTING
Information Patent Application
Method and system for monitoring partial discharge in gas-insulated...
- Publication number 20060132144
- Publication date Jun 22, 2006
- Tatsuro Kato
- G01 - MEASURING TESTING
Information Patent Application
Method and system for measuring partial discharge
- Publication number 20060071667
- Publication date Apr 6, 2006
- Hitachi, Ltd.
- Tomohiro Moriyama
- G01 - MEASURING TESTING
Information Patent Application
Method and system for measuring partial discharge
- Publication number 20050184737
- Publication date Aug 25, 2005
- Tomohiro Moriyama
- G01 - MEASURING TESTING
Information Patent Application
Gas insulating apparatus and method for locating fault point thereof
- Publication number 20050135029
- Publication date Jun 23, 2005
- Tatsuro Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Gas insulating apparatus and method for locating fault point thereof
- Publication number 20050135028
- Publication date Jun 23, 2005
- Hitachi, Ltd.
- Tatsuro Kato
- G01 - MEASURING TESTING
Information Patent Application
Gas-insulated switchgear tank
- Publication number 20050056617
- Publication date Mar 17, 2005
- Toshiaki Rokunohe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GAS INSULATED SWITCHGEAR
- Publication number 20040079731
- Publication date Apr 29, 2004
- Hitachi, Ltd.
- Toshiaki Rokunohe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Gas insulating apparatus and method for locating fault point thereof
- Publication number 20030112569
- Publication date Jun 19, 2003
- Hitachi, Ltd.
- Tatsuro Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Insulated device diagnosing system and partial discharge detecting...
- Publication number 20020163344
- Publication date Nov 7, 2002
- Hitachi, Ltd.
- Toshiaki Rokunohe
- G01 - MEASURING TESTING
Information Patent Application
Gas insulated switchgear
- Publication number 20020104827
- Publication date Aug 8, 2002
- Toshiaki Rokunohe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method of diagnosing partial discharge in gas-insulated apparatus a...
- Publication number 20010040459
- Publication date Nov 15, 2001
- Hitachi, Ltd.
- Tatsuro Kato
- G01 - MEASURING TESTING

Fumihiro Endo

Person

Patents Grantslast 30 patents

Method and system for monitoring partial discharge in gas-insulated...

Method and system for measuring partial discharge

Gas-insulated switchgear tank

Gas insulating apparatus and method for locating fault point thereof

Gas insulating apparatus and method for locating fault point thereof

Gas insulating apparatus and method for locating fault point thereof

Gas insulated device and failure rating method

Gas insulated switchgear

Gas insulated switchgear

Method of diagnosing partial discharge in gas-insulated apparatus a...

Insulated device diagnosing system that prepares detection data fro...

Method of diagnosing partial discharge in gas-insulated apparatus a...

Bushing

Gas insulated electric apparatus

Gas insulated switchgear

Insulated device diagnosing system for diagnosing device based upon...

Enclosed electric conductor arrangement

Insulation gas filled circuit breaker

Gas insulated device, gas insulated switchgear, gas insulated bus l...

Method of configuring a neural network and a diagnosis/control syst...

Method of configuring a neural network and a diagnosis/recognition...

Gas blast, puffer type circuit breaker with improved nozzle

Power apparatus and method of location of a fault in a power appara...

Abnormality diagnosing system and method for a high voltage power a...

Abnormality diagnosing system and method for a high voltage power a...

Conductor supporting apparatus for gas insulated equipment

Gas-insulated circuit breaker

Gas insulated apparatus with internal coated insulation layer of hi...

Gas-insulated electrical apparatus with electret for captivating co...

Temperature measurement apparatus

Patents Applicationslast 30 patents

Gas-insulated switchgear tank

Method and system for measuring partial discharge

Method and system for monitoring partial discharge in gas-insulated...

Method and system for measuring partial discharge

Method and system for measuring partial discharge

Gas insulating apparatus and method for locating fault point thereof

Gas insulating apparatus and method for locating fault point thereof

Gas-insulated switchgear tank

GAS INSULATED SWITCHGEAR

Gas insulating apparatus and method for locating fault point thereof

Insulated device diagnosing system and partial discharge detecting...

Gas insulated switchgear

Method of diagnosing partial discharge in gas-insulated apparatus a...