Yoshio Igarashi

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Kumagaya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat-resistant cast iron and exhaust equipment member formed thereby
- Patent number 7,794,650
- Issue date Sep 14, 2010
- Hitachi Metals, Ltd.
- Yoshio Igarashi
- C21 - METALLURGY OF IRON
Information Patent Grant
Additive for use in producing spheroidal graphite cast iron
- Patent number 6,126,713
- Issue date Oct 3, 2000
- Hitachi Metals, Ltd.
- Yoshio Igarashi
- C21 - METALLURGY OF IRON
Information Patent Grant
Airtight aluminum alloy casting and its manufacturing method
- Patent number 5,462,612
- Issue date Oct 31, 1995
- Hitachi Metals, Ltd.
- Shigetaka Morita
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of manufacturing a magnetic media
- Patent number 4,645,690
- Issue date Feb 24, 1987
- Hitachi Metals, Ltd.
- Shiro Murakami
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Heat-Resistant Cast Iron And Exhaust Equipment Member Formed Thereby
- Publication number 20080308193
- Publication date Dec 18, 2008
- Yoshio Igarashi
- C21 - METALLURGY OF IRON