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Patents Grants
last 30 patents
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
Preparation method of ring-shaped sintered Nd—Fe—B magnet and its m...
Patent number
11,881,351
Issue date
Jan 23, 2024
YANTAI SHOUGANG MAGNETIC MATERIALS INC.
Zhanji Dong
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
Method of increasing the coercivity of a sintered Nd—Fe—B permanent...
Patent number
11,315,728
Issue date
Apr 26, 2022
YANTAI SHOUGANG MAGNETIC MATERIALS INC.
Kunkun Yang
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of increasing the coercivity of a sintered Nd—Fe—B permanent...
Patent number
11,270,839
Issue date
Mar 8, 2022
YANTAI SHOUGANG MAGNETIC MATERIALS INC.
Chuanshen Wang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of improving the coercivity of Nd—Fe—B magnets
Patent number
11,114,237
Issue date
Sep 7, 2021
YANTAI SHOUGANG MAGNETIC MATERIALS INC.
Zhongjie Peng
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and an apparatus for manufacturing an R-Fe-B sintered magnet
Patent number
11,107,627
Issue date
Aug 31, 2021
YANTAI SHOUGANG MAGNETIC MATERIALS INC.
Zhongjie Peng
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
Apparatus and a method for plating an Nd—Fe—B magnet
Patent number
10,480,057
Issue date
Nov 19, 2019
YANTAI SHOUGANG MAGNETIC MATERIALS INC.
Kunkun Yang
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Apparatus and method for coating of small Nd-Fe-B magnets
Patent number
10,208,376
Issue date
Feb 19, 2019
YANTAI SHOUGANG MAGNETIC MATERIALS INC.
Zhongjie Peng
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of preparing a hard aluminum film on the surface of a Nd-Fe-...
Patent number
10,204,724
Issue date
Feb 12, 2019
YANTAI SHOUGANG MAGNETIC MATERIALS INC.
Kunkun Yang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for depositing aluminum on a permanent Nd—Fe—B magnet
Patent number
9,783,883
Issue date
Oct 10, 2017
YANTAI SHOUGANG MAGNETIC MATERIALS INC.
Daoning Jia
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Apparatus and a method for bonding and insulating Nd—Fe—B permanent...
Patent number
9,782,953
Issue date
Oct 10, 2017
YANTAI SHOUGANG MAGNETIC MATERIALS INC.
Zhongjie Peng
H01 - BASIC ELECTRIC ELEMENTS
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
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
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
PREPARATION METHOD OF RING-SHAPED SINTERED ND-FE-B MAGNET AND ITS M...
Publication number
20220028590
Publication date
Jan 27, 2022
Yantai Shougang Magnetic Materials Inc
Zhanji DONG
H01 - BASIC ELECTRIC ELEMENTS
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
METHOD AND AN APPARATUS FOR IMPROVING MAGNETIC PROPERTIES OF A FINI...
Publication number
20200058420
Publication date
Feb 20, 2020
Yantai Shougang Magnetic Materials, Inc.
XIULEI CHEN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF INCREASING THE COERCIVITY OF A SINTERED ND-FE-B PERMANENT...
Publication number
20200027655
Publication date
Jan 23, 2020
Yantai Shougang Magnetic Materials, Inc.
Chuanshen Wang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF INCREASING THE COERCIVITY OF A SINTERED ND-FE-B PERMANENT...
Publication number
20200027657
Publication date
Jan 23, 2020
Yantai Shougang Magnetic Materials, Inc.
Kunkun Yang
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
GRADIENT ND-FE-B MAGNET AND A METHOD OF PRODUCTION
Publication number
20200005996
Publication date
Jan 2, 2020
Yantai Shougang Magnetic Materials, Inc.
Kunkun Yang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD AND AN APPARATUS FOR MANUFACTURING AN R-FE-B SINTERED MAGNET
Publication number
20190206618
Publication date
Jul 4, 2019
Yantai Shougang Magnetic Materials, Inc.
Zhongjie Peng
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...