Masatomo Ohno

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Gas-insulated transmission line having reserve circuit for recoveri...
- Patent number 5,818,004
- Issue date Oct 6, 1998
- Hitachi, Ltd.
- Hiroshi Yoshimoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gas insulated high voltage circuit breaker including tulip contact...
- Patent number 5,734,140
- Issue date Mar 31, 1998
- Hitachi, Ltd.
- Hiromichi Hokuto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gas insulated switch gear device
- Patent number 5,638,254
- Issue date Jun 10, 1997
- Hitachi, Ltd.
- Kenji Annou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gas insulated switchgear insertion resistor and main contacts opera...
- Patent number 5,604,340
- Issue date Feb 18, 1997
- Hitachi, Ltd.
- Hitoshi Yamada
- H01 - BASIC ELECTRIC ELEMENTS
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
Operating mechanism for an inert gas filled circuit breaker
- Patent number 5,243,160
- Issue date Sep 7, 1993
- Hitachi, Ltd.
- Masatomo Ohno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Operating device for gas circuit breaker
- Patent number 5,206,470
- Issue date Apr 27, 1993
- Hitachi, Ltd.
- Hiromichi Hokutou
- H01 - BASIC ELECTRIC ELEMENTS

Masatomo Ohno

Person

Patents Grantslast 30 patents

Gas-insulated transmission line having reserve circuit for recoveri...

Gas insulated high voltage circuit breaker including tulip contact...

Gas insulated switch gear device

Gas insulated switchgear insertion resistor and main contacts opera...

Grounding switch gear device

Operating mechanism for an inert gas filled circuit breaker

Operating device for gas circuit breaker