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Patents Grants
last 30 patents
Information
Patent Grant
Device and method for improving coercivity of ring-shaped NdFeB magnet
Patent number
12,100,544
Issue date
Sep 24, 2024
Yantai Shougang Magnetic Materials Inc
Kunkun Yang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Low-cost rare earth magnet and corresponding manufacturing method t...
Patent number
12,057,263
Issue date
Aug 6, 2024
Yantai Dongxing Magnetic Materials Inc.
Chuanshen Wang
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for increasing the coercivity of a sintered type NdFeB perma...
Patent number
12,027,307
Issue date
Jul 2, 2024
Yantai Shougang Magnetic Materials Inc
Chuanshen Wang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Device and method for the addition of liquid additives in the form...
Patent number
11,986,836
Issue date
May 21, 2024
Yantai Dongxing Magnetic Materials Inc.
Yulong Zhai
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method about increasing the coercivity of a sintered type NdFeB per...
Patent number
11,948,734
Issue date
Apr 2, 2024
Yantai Shougang Magnetic Materials Inc
Chuanshen Wang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
NdFeB alloy powder for forming high-coercivity sintered NdFeB magne...
Patent number
11,923,114
Issue date
Mar 5, 2024
YANTAI SHOUGANG MAGNETIC MATERIALS INC.
Kunkun Yang
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Preparation device and method of ceramic coating on a sintered type...
Patent number
11,908,600
Issue date
Feb 20, 2024
Yantai Dongxing Magnetic Materials Inc.
Chuanshen Wang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of preparing a high-coercivity sintered NdFeB magnet
Patent number
11,854,736
Issue date
Dec 26, 2023
Yantai Dongxing Magnetic Materials Inc.
Kunkun Yang
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of improving coercivity of an arc-shaped Nd-Fe-B magnet
Patent number
11,798,740
Issue date
Oct 24, 2023
YANTAI SHOUGANG MAGNETIC MATERIALS INC.
Kunkun Yang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for preparing sintered NdFeB magnets
Patent number
11,776,719
Issue date
Oct 3, 2023
Yantai Dongxing Magnetic Materials Inc.
Xiulei Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for improving performance of sintered NdFeB magnets
Patent number
11,569,012
Issue date
Jan 31, 2023
Yantai Dongxing Magnetic Materials Inc.
Xiulei Chen
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Sintered magnet composition without heavy rare earth element and a...
Patent number
11,062,827
Issue date
Jul 13, 2021
YANTAI SHOUGANG MAGNETIC MATERIALS INC.
Kaihong Ding
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Sintered Nd—Fe—B magnet composition and a production method for the...
Patent number
10,978,226
Issue date
Apr 13, 2021
YANTAI SHOUGANG MAGNETIC MATERIALS INC.
Kaihong Ding
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for producing an R-T-B-M sintered magnet
Patent number
9,672,981
Issue date
Jun 6, 2017
YANTAI SHOUGANG MAGNETIC MATERIALS INC.
Xifeng Lin
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
R-T-B-M-C sintered magnet and production method and an apparatus fo...
Patent number
9,672,980
Issue date
Jun 6, 2017
YANTAI SHOUGANG MAGNETIC MATERIALS INC.
Zhongjie Peng
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
Permanent Magnet for Low Eddy-Current Loss of Permanent Magnet Moto...
Publication number
20240274338
Publication date
Aug 15, 2024
Yantai Dongxing Magnetic Materials Inc.
Zhongjie PENG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR IMPROVING COERCIVITY OF NEODYMIUM-IRON-BORON MAGNET AND...
Publication number
20240116106
Publication date
Apr 11, 2024
Yantai Dongxing Magnetic Materials Inc.
Kunkun YANG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Cerium-Added RE-T-B-M Series Sintered Neodymium-Iron-Boron Magnet
Publication number
20240071658
Publication date
Feb 29, 2024
Yantai Dongxing Magnetic Materials Inc.
Xiulei CHEN
B22 - CASTING POWDER METALLURGY
Information
Patent Application
NdFeB rare earth magnet and manufacturing method thereof
Publication number
20230386741
Publication date
Nov 30, 2023
Yantai Dongxing Magnetic Materials Inc.
Chuanshen WANG
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Rare earth magnet and manufacturing method thereof
Publication number
20230386711
Publication date
Nov 30, 2023
Yantai Dongxing Magnetic Materials Inc.
Chuanshen WANG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Sintered NdFeB permanent magnet and preparation method thereof
Publication number
20230238160
Publication date
Jul 27, 2023
Yantai Dongxing Magnetic Materials Inc.
Chunjie XIANG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Low-heavy rare earth magnet and manufacturing method thereof
Publication number
20230095310
Publication date
Mar 30, 2023
Yantai Dongxing Magnetic Materials Inc.
Chuanshen WANG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
A low-cost rare earth magnet and corresponding manufacturing method...
Publication number
20230102274
Publication date
Mar 30, 2023
Yantai Dongxing Magnetic Materials Inc.
Chuanshen WANG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Method for preparing NdFeB magnets including lanthanum or cerium
Publication number
20230093584
Publication date
Mar 23, 2023
Yantai Dongxing Magnetic Materials Inc.
Xiulei CHEN
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Method of preparing a high-coercivity sintered NdFeB magnet
Publication number
20220230805
Publication date
Jul 21, 2022
Yantai Dongxing Magnetic Materials Inc.
Kunkun YANG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Preparation method for a neodymium-iron-boron magnet
Publication number
20220189688
Publication date
Jun 16, 2022
Yantai Dongxing Magnetic Materials Inc.
Xiaonan ZHU
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Method for preparing sintered NdFeB magnets
Publication number
20220165461
Publication date
May 26, 2022
Yantai Dongxing Magnetic Materials Inc.
Xiulei CHEN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Device and method for the addition of liquid additives in the form...
Publication number
20220105522
Publication date
Apr 7, 2022
Yantai Dongxing Magnetic Materials Inc.
Yulong ZHAI
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Application
Method for preparation of a sintered type NdFeB permanent magnet wi...
Publication number
20220102034
Publication date
Mar 31, 2022
Yantai Dongxing Magnetic Materials Inc.
Chuanshen WANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Preparation device and method of ceramic coating on a sintered type...
Publication number
20220076866
Publication date
Mar 10, 2022
Yantai Dongxing Magnetic Materials Inc.
Chuanshen WANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NdFeB alloy powder for forming high-coercivity sintered NdFeB magne...
Publication number
20220044853
Publication date
Feb 10, 2022
Yantai Shougang Magnetic Materials Inc
Kunkun YANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NdFeB alloy powder for forming high-coercivity sintered NdFeB magne...
Publication number
20220044854
Publication date
Feb 10, 2022
Yantai Shougang Magnetic Materials Inc
Kunkun YANG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Method for preparing high-performance sintered NdFeB magnets and si...
Publication number
20220005637
Publication date
Jan 6, 2022
Yantai Shougang Magnetic Materials Inc
Xiulei CHEN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Device and Method for Improving Coercivity of Ring-Shaped NdFeB Magnet
Publication number
20210304960
Publication date
Sep 30, 2021
Yantai Shougang Magnetic Materials Inc
Kunkun YANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method for preparing NdFeB magnet powder
Publication number
20210280344
Publication date
Sep 9, 2021
Yantai Shougang Magnetic Materials Inc
Xiulei CHEN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RADIATION-ORIENTED SINTERED ARC-SHAPED ND-FE-B MAGNET, A MANUFACTUR...
Publication number
20210183567
Publication date
Jun 17, 2021
Yantai Shougang Magnetic Materials Inc
Zhanji DONG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
MANUFACTURING METHOD OF SINTERED ND-FE-B PERMANENT MAGNET
Publication number
20210166847
Publication date
Jun 3, 2021
Yantai Shougang Magnetic Materials Inc
Chunjie XIANG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD FOR INCREASING THE COERCIVITY OF A SINTERED TYPE NDFEB PERMA...
Publication number
20210166870
Publication date
Jun 3, 2021
Yantai Shougang Magnetic Materials Inc
Chuanshen WANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF IMPROVING COERCIVITY OF AN ARC-SHAPED Nd-Fe-B MAGNET
Publication number
20210166871
Publication date
Jun 3, 2021
Yantai Shougang Magnetic Materials Inc
Kunkun YANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method about increasing the coercivity of a sintered type NdFeB per...
Publication number
20210166872
Publication date
Jun 3, 2021
Yantai Shougang Magnetic Materials Inc
Chuanshen WANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method For Improving Performance Of Sintered Ndfeb Magnets
Publication number
20210134498
Publication date
May 6, 2021
Yantai Shougang Magnetic Materials Inc
Xiulei CHEN
B22 - CASTING POWDER METALLURGY
Information
Patent Application
SINTERED R-T-B BASED PERMANENT MAGNET AND A METHOD OF MAKING THE SI...
Publication number
20190051435
Publication date
Feb 14, 2019
Kaihong Ding
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SINTERED ND-FE-B MAGNET COMPOSITION AND A PRODUCTION METHOD FOR THE...
Publication number
20170372823
Publication date
Dec 28, 2017
Yantai Shougang Magnetic Materials, Inc.
Kaihong Ding
C21 - METALLURGY OF IRON
Information
Patent Application
SINTERED MAGNET COMPOSITION WITHOUT HEAVY RARE EARTH ELEMENT AND A...
Publication number
20170213627
Publication date
Jul 27, 2017
Yantai Shougang Magnetic Materials, Inc.
Kaihong Ding
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING AN R-T-B-M SINTERED MAGNET
Publication number
20150023831
Publication date
Jan 22, 2015
Xifeng Lin
H01 - BASIC ELECTRIC ELEMENTS