Ryouichi Yamagata

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Mishima-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing R-T-B based sintered magnet
- Patent number 10,658,108
- Issue date May 19, 2020
- Hitachi Metals, Ltd.
- Ryouichi Yamagata
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for manufacturing R-T-B based sintered magnet
- Patent number 10,446,306
- Issue date Oct 15, 2019
- Hitachi Metals, Ltd.
- Teppei Satoh
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for manufacturing R-T-B based sintered magnet
- Patent number 10,217,562
- Issue date Feb 26, 2019
- Hitachi Metals, Ltd.
- Ryouichi Yamagata
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for producing R-T-B sintered magnet
- Patent number 9,478,332
- Issue date Oct 25, 2016
- Hitachi Metals, Ltd.
- Futoshi Kuniyoshi
- 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
- Publication number 20170323722
- Publication date Nov 9, 2017
- Hitachi Metals, Ltd.
- Ryouichi YAMAGATA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR MANUFACTURING R-T-B BASED SINTERED MAGNET
- Publication number 20170256344
- Publication date Sep 7, 2017
- Hitachi Metals, Ltd.
- Teppei SATOH
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCING R-T-B BASED SINTERED MAGNET
- Publication number 20160284468
- Publication date Sep 29, 2016
- Hitachi Metals, Ltd.
- Ryouichi YAMAGATA
- 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 20140375404
- Publication date Dec 25, 2014
- Futoshi Kuniyoshi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...