Hiroshi Suzuyama

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Gas insulated switchgear device
- Patent number 5,453,910
- Issue date Sep 26, 1995
- Hitachi, Ltd.
- Syunji Itou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Instrument current transformer for power cables
- Patent number 5,367,432
- Issue date Nov 22, 1994
- Hitachi, Ltd.
- Kyuji Yaginuma
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gas insulated switchgear
- Patent number 5,177,664
- Issue date Jan 5, 1993
- Hitachi, Ltd.
- Kenji Tsuchiya
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Three-phase package-type gas-insulated switch gear having isolators...
- Patent number 5,134,542
- Issue date Jul 28, 1992
- Hitachi, Ltd.
- Hiroshi Suzuyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gas insulated switchgear with bus-section-unit circuit breaker and...
- Patent number 5,045,968
- Issue date Sep 3, 1991
- Hitachi, Ltd.
- Hiroshi Suzuyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gas-insulated switchgear apparatus
- Patent number 5,001,599
- Issue date Mar 19, 1991
- Hitachi, Ltd.
- Syunji Itou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus for disconnecting a switch of a high voltage electric cir...
- Patent number 4,888,458
- Issue date Dec 19, 1989
- Hitachi, Ltd.
- Hiroshi Suzuyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas-insulated switchgear
- Patent number 4,862,319
- Issue date Aug 29, 1989
- Hitachi, Ltd.
- Hiroshi Suzuyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Connecting system for gas-insulated switchgear apparatus
- Patent number 4,651,255
- Issue date Mar 17, 1987
- Hitachi, Ltd.
- Hiroshi Suzuyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Earthing switch for gas-insulated switchgear apparatus
- Patent number 4,577,075
- Issue date Mar 18, 1986
- Hitachi, Ltd.
- Kenji Akita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Hiroshi Suzuyama

Person

Patents Grantslast 30 patents

Gas insulated switchgear device

Instrument current transformer for power cables

Gas insulated switchgear

Three-phase package-type gas-insulated switch gear having isolators...

Gas insulated switchgear with bus-section-unit circuit breaker and...

Gas-insulated switchgear apparatus

Apparatus for disconnecting a switch of a high voltage electric cir...

Gas-insulated switchgear

Connecting system for gas-insulated switchgear apparatus

Earthing switch for gas-insulated switchgear apparatus