Hisakatsu Nishihara

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Hirakata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Two-phase stainless cast steel having high corrosion fatigue strength
- Patent number 4,561,890
- Issue date Dec 31, 1985
- Kubota Ltd.
- Hisashi Hiraishi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Assembly roll for high temperature service
- Patent number 4,538,668
- Issue date Sep 3, 1985
- Kubota, Ltd.
- Hisakatsu Nishihara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Tube for thermal cracking or reforming hydrocarbon and manufacturin...
- Patent number 4,510,988
- Issue date Apr 16, 1985
- Kubota Ltd.
- Keizo Konoki
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Tube for thermal cracking or reforming hydrocarbon
- Patent number 4,444,731
- Issue date Apr 24, 1984
- Kubota Ltd.
- Keizo Konoki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Tube for thermal cracking or reforming of hydrocarbon
- Patent number 4,444,732
- Issue date Apr 24, 1984
- Kubota Ltd.
- Keizo Konoki
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Manufacturing method of elbows made of cast stainless steel
- Patent number 4,314,861
- Issue date Feb 9, 1982
- Kubota Ltd.
- Shinichi Murakami
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...