Nobuhiko Fujimori

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Saitama-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sintered R-Fe-B permanent magnet and its production method
- Patent number 7,645,349
- Issue date Jan 12, 2010
- Hitachi Metals, Ltd.
- Nobuhiko Fujimori
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
R-T-B rare earth sintered magnet having improved squareness ratio a...
- Patent number 6,447,621
- Issue date Sep 10, 2002
- Hitachi Metals, Ltd.
- Hisato Tokoro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rare earth magnet of high electrical resistance and production meth...
- Patent number 5,858,124
- Issue date Jan 12, 1999
- Hitachi Metals, Ltd.
- Minoru Endo
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING R-T-B BASED SINTERED MAGNET, AND R-T-B BAS...
- Publication number 20230040720
- Publication date Feb 9, 2023
- Hitachi Metals, Ltd.
- Nobuhiko FUJIMORI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SINTERED R-Fe-B PERMANENT MAGNET AND ITS PRODUCTION METHOD
- Publication number 20080017277
- Publication date Jan 24, 2008
- HITACHI METALS, LTD
- Nobuhiko Fujimori
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Sintered R-Fe-B permanent magnet and its production method
- Publication number 20050067058
- Publication date Mar 31, 2005
- HITACHI METALS, LTD
- Nobuhiko Fujimori
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
R-T-B RARE EARTH SINTERED MAGNET HAVING IMPROVED SQUARENESS RATIO A...
- Publication number 20020144754
- Publication date Oct 10, 2002
- HITACHI METALS, LTD
- HISATO TOKORO
- H01 - BASIC ELECTRIC ELEMENTS