Rui WEI

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Yantai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing R-Fe-B based sintered magnet
- Patent number 9,901,984
- Issue date Feb 27, 2018
- Yantai Zhenghai Magnetic Material Co., Ltd.
- Qingkai Wang
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
COMPOSITION OF HEAT-EXPANDABLE MICROSPHERES AND USE THEREOF
- Publication number 20240191049
- Publication date Jun 13, 2024
- YANTAI ZHENGHAI MAGNETIC MATERIAL CO., LTD.
- Zhiqiang LI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
RARE EARTH PERMANENT MAGNET, AND PREPARATION METHOD THEREFOR
- Publication number 20240079180
- Publication date Mar 7, 2024
- YANTAI ZHENGHAI MAGNETIC MATERIAL CO., LTD.
- Zhiqiang LI
- B22 - CASTING POWDER METALLURGY
Information Patent Application
RARE EARTH PERMANENT MAGNET, PREPARATION METHOD AND USE THEREOF
- Publication number 20240013958
- Publication date Jan 11, 2024
- Yantai Zhenghai Magnetic Material Co., Ltd.
- Yongjiang YU
- B22 - CASTING POWDER METALLURGY
Information Patent Application
METHOD FOR PREPARING R-FE-B BASED SINTERED MAGNET
- Publication number 20140356217
- Publication date Dec 4, 2014
- Yantai Zhenghai Magnetic Material Co., Ltd.
- Qingkai WANG
- H01 - BASIC ELECTRIC ELEMENTS