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Takashi Yebisuya
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Kawasaki, JP
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last 30 patents
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Patent Grant
Turbine casing formed of a heat resistant austenitic cast steel
Patent number
4,897,132
Issue date
Jan 30, 1990
Kabushiki Kaisha Tohsiba
Masao Yamamoto
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Corrosion-resistant non-magnetic steel retaining ring for a generator
Patent number
4,493,733
Issue date
Jan 15, 1985
Tokyo Shibaura Denki Kabushiki Kaisha
Masao Yamamoto
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
High cavitation erosion resistance stainless steel and hydraulic ma...
Patent number
4,431,446
Issue date
Feb 14, 1984
Tokyo Shibaura Denki Kabushiki Kaisha
Masao Yamamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Martensitic stainless cast steel having high cavitation erosion res...
Patent number
4,406,698
Issue date
Sep 27, 1983
Tokyo Shibaura Denki Kabushiki Kaisha
Takashi Yebisuya
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...