Keijiro Hayashi

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Tochigi-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
High-Cr, high-Ni, heat-resistant, austenitic cast steel and exhaust...
- Patent number 8,241,558
- Issue date Aug 14, 2012
- Hitachi Metals, Ltd.
- Keijiro Hayashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Exhaust equipment member, internal combustion engine system using s...
- Patent number 6,383,310
- Issue date May 7, 2002
- Hitachi Metals, Ltd.
- Koki Otsuka
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
HIGH-Cr HIGH-Ni, HEAT-RESISTANT, AUSTENITIC CAST STEEL AND EXHAUST...
- Publication number 20070217941
- Publication date Sep 20, 2007
- HITACHI METALS, LTD
- Keijiro Hayashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Austenite heat-resistant spheroidal graphite cast iron
- Publication number 20060191604
- Publication date Aug 31, 2006
- Kenji Itoh
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...