Ryoichi Sasaki

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Member made of nickel base alloy having high resistance to stress c...
- Patent number 4,979,995
- Issue date Dec 25, 1990
- Hitachi, Ltd.
- Shigeo Hattori
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Heat resisting steel
- Patent number 4,477,280
- Issue date Oct 16, 1984
- Hitachi, Ltd.
- Masao Shiga
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...