Norio Yamada

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Hitachiota, JP

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Patents Grantslast 30 patents

Information 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
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
High-strength austenitic steel
- Patent number 4,581,067
- Issue date Apr 8, 1986
- Hitachi, Ltd.
- Katsumi Iijima
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...