Youichi Ohshita

Person

Hitachinaka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of current interruption using puffer type gas circuit breake...
- Patent number 7,339,132
- Issue date Mar 4, 2008
- Japan AE Power Systems Corporation
- Hajime Urai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Partial discharge detector of gas-insulated apparatus
- Patent number 6,333,715
- Issue date Dec 25, 2001
- Hitachi, Ltd.
- Tatsuro Kato
- G01 - MEASURING TESTING
Information Patent Grant
Insulated type switchgear device
- Patent number 6,005,213
- Issue date Dec 21, 1999
- Hitachi, Ltd.
- Ayumu Morita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum type switch gear device having L shaped stationary and movab...
- Patent number 5,952,636
- Issue date Sep 14, 1999
- Hitachi, Ltd.
- Ayumu Morita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas circuit breaker
- Patent number 5,850,065
- Issue date Dec 15, 1998
- Hitachi, Ltd.
- Noriyuki Yaginuma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas circuit breaker
- Patent number 5,837,955
- Issue date Nov 17, 1998
- Hitachi, Ltd.
- Tomoaki Utsumi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Transformer station and breaker apparatus
- Patent number 5,777,842
- Issue date Jul 7, 1998
- Hitachi, Ltd.
- Masanori Tsukushi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Grounding switch gear device
- Patent number 5,543,597
- Issue date Aug 6, 1996
- Hitachi, Ltd.
- Atsuji Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switch mechanism
- Patent number 5,502,290
- Issue date Mar 26, 1996
- Hitachi, Ltd.
- Osamu Koyanagi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical power supply system
- Patent number 5,473,494
- Issue date Dec 5, 1995
- Hitachi, Ltd.
- Yukio Kurosawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Circuit breaker with parallel resistor
- Patent number 5,391,930
- Issue date Feb 21, 1995
- Hitachi, Ltd.
- Youichi Ohshita
- H01 - BASIC ELECTRIC ELEMENTS
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
Puffer type gas circuit interrupter
- Patent number 5,155,312
- Issue date Oct 13, 1992
- Hitachi, Ltd.
- Akira Hashimoto
- H01 - BASIC ELECTRIC ELEMENTS
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
Magnetron sputter apparatus and method for forming films by using t...
- Patent number 4,865,709
- Issue date Sep 12, 1989
- Hitachi, Ltd.
- Yukio Nakagawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Switch operation monitoring apparatus
- Patent number 4,864,286
- Issue date Sep 5, 1989
- Hitachi, Ltd.
- Youichi Ohshita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High frequency plasma generation apparatus
- Patent number 4,716,491
- Issue date Dec 29, 1987
- Hitachi, Ltd.
- Yasunori Ohno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sputtering apparatus
- Patent number 4,673,482
- Issue date Jun 16, 1987
- Hitachi, Ltd.
- Eiji Setoyama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Gas circuit breaker of resistance breaking type
- Patent number 4,423,298
- Issue date Dec 27, 1983
- Hitachi, Ltd.
- Masanori Tsukushi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method of current interruption using puffer type gas circuit breake...
- Publication number 20060151438
- Publication date Jul 13, 2006
- Hajime Urai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Energy and power interchange system and its method
- Publication number 20040199478
- Publication date Oct 7, 2004
- Hitachi, Ltd.
- Hiroshi Arita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Energy and power interchange system and its method
- Publication number 20020128749
- Publication date Sep 12, 2002
- Hitachi, Ltd.
- Hiroshi Arita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ENERGY AND POWER INTERCHANGE SYSTEM AND ITS METHOD
- Publication number 20020060497
- Publication date May 23, 2002
- HIROSHI ARITA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Partial discharge detector for gas insulated apparatus
- Publication number 20020024467
- Publication date Feb 28, 2002
- Hitachi, Ltd.
- Tatsuro Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Energy and power interchange system and its method
- Publication number 20010005802
- Publication date Jun 28, 2001
- Hiroshi Arita
- G06 - COMPUTING CALCULATING COUNTING

Youichi Ohshita

Person

Patents Grantslast 30 patents

Method of current interruption using puffer type gas circuit breake...

Partial discharge detector of gas-insulated apparatus

Insulated type switchgear device

Vacuum type switch gear device having L shaped stationary and movab...

Gas circuit breaker

Gas circuit breaker

Transformer station and breaker apparatus

Grounding switch gear device

Switch mechanism

Electrical power supply system

Circuit breaker with parallel resistor

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

Puffer type gas circuit interrupter

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

Magnetron sputter apparatus and method for forming films by using t...

Switch operation monitoring apparatus

High frequency plasma generation apparatus

Sputtering apparatus

Gas circuit breaker of resistance breaking type

Patents Applicationslast 30 patents

Method of current interruption using puffer type gas circuit breake...

Energy and power interchange system and its method

Energy and power interchange system and its method

ENERGY AND POWER INTERCHANGE SYSTEM AND ITS METHOD

Partial discharge detector for gas insulated apparatus

Energy and power interchange system and its method