Jianhong Zhang

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Fujian, CN

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Patents Grantslast 30 patents

Information Patent Grant
Rare-earth magnet comprising holmium and tungsten
- Patent number 10,468,168
- Issue date Nov 5, 2019
- XIAMEN TUNGSTEN CO., LTD.
- Hiroshi Nagata
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
HO AND W-CONTAINING RARE-EARTH MAGNET
- Publication number 20180061538
- Publication date Mar 1, 2018
- Xiamen Tungsten Co., Ltd.
- Hiroshi Nagata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...