Rong Yu

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Fujian, CN

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Patents Grantslast 30 patents

Information Patent Grant
W-containing R—Fe—B—Cu sintered magnet and quenching alloy
- Patent number 10,614,938
- Issue date Apr 7, 2020
- XIAMEN TUNGSTEN CO., LTD.
- Hiroshi Nagata
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
W-containing R—Fe—B—Cu sintered magnet and quenching alloy
- Patent number 10,381,139
- Issue date Aug 13, 2019
- XIAMEN TUNGSTEN CO., LTD.
- Hiroshi Nagata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low-B bare earth magnet
- Patent number 10,115,507
- Issue date Oct 30, 2018
- XIAMEN TUNGSTEN CO., LTD.
- Hiroshi Nagata
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
W-CONTAINING R-FE-B-CU SINTERED MAGNET AND QUENCHING ALLOY
- Publication number 20190267166
- Publication date Aug 29, 2019
- Xiamen Tungsten Co., Ltd.
- Hiroshi Nagata
- B22 - CASTING POWDER METALLURGY
Information Patent Application
W-CONTAINING R-FE-B-CU SINTERED MAGNET AND QUENCHING ALLOY
- Publication number 20160300648
- Publication date Oct 13, 2016
- Xiamen Tungsten Co., Ltd.
- Hiroshi Nagata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
LOW-B RARE EARTH MAGNET
- Publication number 20160268025
- Publication date Sep 15, 2016
- Xiamen Tungsten Co., Ltd.
- Hiroshi Nagata
- C21 - METALLURGY OF IRON