Kohei Muramatsu

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Matsudo-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Soft magnetic powdered core and method for producing same
- Patent number 8,398,879
- Issue date Mar 19, 2013
- Hitachi Powdered Metals Co., Ltd.
- Kohei Muramatsu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing soft magnetic powdered core
- Patent number 8,062,583
- Issue date Nov 22, 2011
- Hitachi Powdered Metals Co., Ltd.
- Chio Ishihara
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for producing soft magnetic powdered core
- Patent number 8,029,626
- Issue date Oct 4, 2011
- Hitachi Powered Metals Co., Ltd.
- Chio Ishihara
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
SOFT MAGNETIC POWDERED CORE AND METHOD FOR PRODUCING SAME
- Publication number 20120119134
- Publication date May 17, 2012
- HITACHI POWDERED METALS CO., LTD
- Kohei Muramatsu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for producing soft magnetic powered core
- Publication number 20080230737
- Publication date Sep 25, 2008
- HITACHI POWERED METALS CO., LTD.
- Chio Ishihara
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for producing soft magnetic powdered core
- Publication number 20080232995
- Publication date Sep 25, 2008
- Hitachi Powdered Metals Co., Ltd.
- Chio Ishihara
- B22 - CASTING POWDER METALLURGY