Tohru Obata

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Yabu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing R-T-B sintered magnet
- Patent number 9,721,724
- Issue date Aug 1, 2017
- Hitachi Metals, Ltd.
- Tohru Obata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

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
PROCESS FOR PRODUCING SINTERED R-T-B MAGNET
- Publication number 20140329007
- Publication date Nov 6, 2014
- Tohru Obata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCING R-T-B SINTERED MAGNET
- Publication number 20130181039
- Publication date Jul 18, 2013
- Hitachi Metals, Ltd.
- Tohru Obata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...