Yongqiang Yuan

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Rare-earth permanent magnetic powder, bonded magnet containing ther...
- Patent number 10,079,085
- Issue date Sep 18, 2018
- General Research Institute for Nonferrous Metals
- Hongwei Li
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Rare-earth permanent magnetic powder, bonded magnet, and device com...
- Patent number 9,245,674
- Issue date Jan 26, 2016
- Grirem Advanced Materials Co., Ltd.
- Hongwei Li
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
RARE-EARTH PERMANENT MAGNETIC POWDER, BONDED MAGNET CONTAINING THER...
- Publication number 20150318089
- Publication date Nov 5, 2015
- Hongwei Li
- C21 - METALLURGY OF IRON
Information Patent Application
RARE-EARTH PERMANENT MAGNETIC POWDER, BONDED MAGNET, AND DEVICE COM...
- Publication number 20130020527
- Publication date Jan 24, 2013
- GRIREM ADVANCED MATERIALS CO., LTD
- Hongwei Li
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for manufacturing melt-spinning alloys and apparatus thereof
- Publication number 20130014860
- Publication date Jan 17, 2013
- Hongwei Li
- H01 - BASIC ELECTRIC ELEMENTS