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Nobuo Shimizu
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Hitachi, JP
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last 30 patents
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Patent Grant
Steam-turbine power plant and steam turbine
Patent number
6,174,132
Issue date
Jan 16, 2001
Hitachi, Ltd.
Masao Shiga
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Steam-turbine power plant and steam turbine
Patent number
6,123,504
Issue date
Sep 26, 2000
Hitachi, Ltd.
Masao Shiga
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
High strength heat resisting cast steel, steam turbine casing, stea...
Patent number
5,961,284
Issue date
Oct 5, 1999
Hitachi, Ltd.
Mitsuo Kuriyama
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Heat resisting steel and steam turbine rotor shaft and method of ma...
Patent number
5,911,842
Issue date
Jun 15, 1999
Hitachi, Ltd.
Masao Shiga
C21 - METALLURGY OF IRON
Information
Patent Grant
Steam-turbine power plant and steam turbine
Patent number
5,749,228
Issue date
May 12, 1998
Hitachi, Ltd.
Masao Shiga
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Gas turbine combustor and methodd of operating the same
Patent number
5,121,597
Issue date
Jun 16, 1992
Hitachi, Ltd.
Haruo Urushidani
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Fuel-air premixing device for a gas turbine
Patent number
5,016,443
Issue date
May 21, 1991
Hitachi, Ltd.
Nobuo Shimizu
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Method of improving residual stress in circumferential weld zone
Patent number
4,772,336
Issue date
Sep 20, 1988
Hitachi, Ltd.
Kunio Enomoto
C21 - METALLURGY OF IRON