Dawei SHI

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Xiamen, Fujian, CN

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Patents Applicationslast 30 patents

Information Patent Application
NEODYMIUM-IRON-BORON MAGNET MATERIAL, RAW MATERIAL COMPOSITION PREP...
- Publication number 20230035214
- Publication date Feb 2, 2023
- FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH CO., LTD
- Ying LUO
- B22 - CASTING POWDER METALLURGY
Information Patent Application
NEODYMIUM-IRON-BORON MAGNET MATERIAL, RAW MATERIAL COMPOSITION PREP...
- Publication number 20230023534
- Publication date Jan 26, 2023
- FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH CO., LTD
- Ying LUO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
R-T-B SERIES PERMANENT MAGNET MATERIAL, RAW MATERIAL COMPOSITION PR...
- Publication number 20220344083
- Publication date Oct 27, 2022
- Xiamen Tungsten Co., Ltd.
- Qin LAN
- B22 - CASTING POWDER METALLURGY
Information Patent Application
R-Fe-B SINTERED MAGNET AND GRAIN BOUNDARY DIFFUSION TREATMENT METHO...
- Publication number 20220328245
- Publication date Oct 13, 2022
- XIAMEN TUNGSTEN CO., LTD.
- Dawei SHI
- H01 - BASIC ELECTRIC ELEMENTS