Tsuyoshi Akao

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Kariya-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Soft magnetic material and dust core
- Patent number 8,241,518
- Issue date Aug 14, 2012
- Sumitomo Electric Industries, Ltd.
- Naoto Igarashi
- 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...
Information Patent Grant
Sintered plunger and production method therefor
- Patent number 7,541,906
- Issue date Jun 2, 2009
- Hitachi Powdered Metals Co., Ltd.
- Kazuo Asaka
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Production method for powdered core
- Patent number 7,273,527
- Issue date Sep 25, 2007
- Hitachi Powdered Metals Co., Ltd.
- Chio Ishihara
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Production method for powdered core
- Patent number 7,211,158
- Issue date May 1, 2007
- Hitachi Powdered Metals Co., Ltd.
- Chio Ishihara
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
SOFT MAGNETIC MATERIAL AND DUST CORE
- Publication number 20090197782
- Publication date Aug 6, 2009
- Sumitomo Electric Industries, Ltd.
- Naoto Igarashi
- 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
Information Patent Application
Sintered plunger and production method therefor
- Publication number 20070085644
- Publication date Apr 19, 2007
- Hitachi Powdered Metals Co., Ltd.
- Kazuo Asaka
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Production method for powdered core
- Publication number 20070051430
- Publication date Mar 8, 2007
- Hitachi Powdered Metals Co., Ltd.
- Chio Ishihara
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Method for producing dust core
- Publication number 20050242460
- Publication date Nov 3, 2005
- Hitachi Powered Metals Co., Ltd.
- Chio Ishihara
- B22 - CASTING POWDER METALLURGY