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Soichi Kurosawa
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Hitachi, JP
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last 30 patents
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Patent Grant
Heat resistant steel and gas turbine components composed of the same
Patent number
5,008,072
Issue date
Apr 16, 1991
Hitachi, Ltd.
Masao Siga
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method and apparatus for controlling temperatures of turbine casing...
Patent number
4,967,552
Issue date
Nov 6, 1990
Hitachi, Ltd.
Kazuhiko Kumata
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Gas turbine having components composed of heat resistant steel
Patent number
4,850,187
Issue date
Jul 25, 1989
Hitachi, Ltd.
Masao Siga
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Cobalt-base alloy having high strength and high toughness, producti...
Patent number
4,789,412
Issue date
Dec 6, 1988
Hitachi, Ltd.
Shigeyoshi Nakamura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Cooling air flow controlling apparatus for gas turbine
Patent number
4,767,259
Issue date
Aug 30, 1988
Hitachi, Ltd.
Soichi Kurosawa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Turbine rotor with means for preventing air leaks through outward e...
Patent number
4,484,858
Issue date
Nov 27, 1984
Hitachi, Ltd.
Soichi Kurosawa
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES