Yongjiang Yu

Person

Yantai, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Method for producing sintered R-iron-boron magnet
- Patent number 10,748,706
- Issue date Aug 18, 2020
- Yantai Zhenghai Magnetic Material Co., Ltd.
- Yongjiang Yu
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for preparing R-Fe-B based sintered magnet
- Patent number 9,623,482
- Issue date Apr 18, 2017
- Yantai Zhenghai Magnetic Material Co., Ltd.
- Yongjiang Yu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
EXPANDABLE SINTERED NEODYMIUM-IRON-BORON MAGNET, PREPARATION METHOD...
- Publication number 20240274332
- Publication date Aug 15, 2024
- YANTAI ZHENGHAI MAGNETIC MATERIAL CO., LTD.
- Zhiqiang LI
- B22 - CASTING POWDER METALLURGY
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
R-T-B BASED PERMANENT MAGNET MATERIAL, PREPARATION METHOD THEREFOR...
- Publication number 20240194380
- Publication date Jun 13, 2024
- Yantai Zhenghai Magnetic Material Co., Ltd.
- Yongjiang YU
- B22 - CASTING POWDER METALLURGY
Information Patent Application
COATING COMPOSITION, PREPARATION METHOD THEREFOR AND USE THEREOF
- Publication number 20240034892
- Publication date Feb 1, 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, 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 PRODUCING SINTERED R-IRON-BORON MAGNET
- Publication number 20180061568
- Publication date Mar 1, 2018
- Yantai Zhenghai Magnetic Material Co., Ltd.
- Yongjiang YU
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PREPARING R-FE-B BASED SINTERED MAGNET
- Publication number 20140352847
- Publication date Dec 4, 2014
- Yantai Zhenghai Magnetic Material Co., Ltd.
- Yongjiang YU
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Neodymium-Iron-Boron Magnet having Gradient Coercive Force and its...
- Publication number 20130093552
- Publication date Apr 18, 2013
- Qingkai Wang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Yongjiang Yu

Person

Patents Grantslast 30 patents

Method for producing sintered R-iron-boron magnet

Method for preparing R-Fe-B based sintered magnet

Patents Applicationslast 30 patents

EXPANDABLE SINTERED NEODYMIUM-IRON-BORON MAGNET, PREPARATION METHOD...

COMPOSITION OF HEAT-EXPANDABLE MICROSPHERES AND USE THEREOF

R-T-B BASED PERMANENT MAGNET MATERIAL, PREPARATION METHOD THEREFOR...

COATING COMPOSITION, PREPARATION METHOD THEREFOR AND USE THEREOF

RARE EARTH PERMANENT MAGNET, PREPARATION METHOD AND USE THEREOF

METHOD FOR PRODUCING SINTERED R-IRON-BORON MAGNET

METHOD FOR PREPARING R-FE-B BASED SINTERED MAGNET

Neodymium-Iron-Boron Magnet having Gradient Coercive Force and its...