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H01F1/0577
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H
ELECTRICITY
H01
Electric elements
H01F
MAGNETS INDUCTANCES TRANSFORMERS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
H01F1/00
Magnets or magnetic bodies characterised by the magnetic materials therefor Selection of materials for their magnetic properties
Current Industry
H01F1/0577
sintered
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Patents Grants
last 30 patents
Information
Patent Grant
Sintered neodymium-iron-boron magnet and preparation method thereof
Patent number
11,984,244
Issue date
May 14, 2024
Baotou Jinmeng Magnetic Materials Co., Ltd.
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for preparing sintered magnet and sintered magnet
Patent number
11,978,576
Issue date
May 7, 2024
LG Chem, Ltd.
In Gyu Kim
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
Grain boundary engineering of sintered magnetic alloys and the comp...
Patent number
11,942,245
Issue date
Mar 26, 2024
Noveon Magnetics Inc.
Miha Zakotnik
B22 - CASTING POWDER METALLURGY
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
Method for producing rare earth sintered magnet
Patent number
11,915,845
Issue date
Feb 27, 2024
Shin-Etsu Chemical Co., Ltd.
Taiga Asai
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
Rare earth magnet and producing method thereof
Patent number
11,869,690
Issue date
Jan 9, 2024
Toyota Jidosha Kabushiki Kaisha
Noritsugu Sakuma
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Permanent magnets with tailored texture and magnetic orientation
Patent number
11,862,369
Issue date
Jan 2, 2024
HRL Laboratories, LLC
Brennan Yahata
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 manufacturing permanent magnets
Patent number
11,842,832
Issue date
Dec 12, 2023
Advanced Magnet Lab, Inc.
Rainer Meinke
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
R-T-B-based magnet, motor, and generator
Patent number
11,837,915
Issue date
Dec 5, 2023
TDK Corporation
Tomohiro Kajita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Permanent magnet with inter-grain heavy-rare-earth element, and met...
Patent number
11,830,645
Issue date
Nov 28, 2023
ABB Schweiz AG
Reinhard A. Simon
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
R-T-B sintered magnet
Patent number
11,823,824
Issue date
Nov 21, 2023
PROTERIAL, LTD.
Futoshi Kuniyoshi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Magnet structure
Patent number
11,817,241
Issue date
Nov 14, 2023
TDK Corporation
Taeko Tsubokura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Sintered R-T-B based magnet and method for producing the same
Patent number
11,810,710
Issue date
Nov 7, 2023
PROTERIAL, LTD.
Noriyuki Nozawa
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Magnet
Patent number
11,810,698
Issue date
Nov 7, 2023
Dyson Technology Limited
Tuncay Celik
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Rare earth sintered magnet
Patent number
11,798,716
Issue date
Oct 24, 2023
Shin-Etsu Chemical Co., Ltd.
Tetsuya Ohashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
R-T-B based rare earth permanent magnet
Patent number
11,798,717
Issue date
Oct 24, 2023
TDK Corporation
Keiji Takeda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Rare earth permanent magnets and their preparation
Patent number
11,791,093
Issue date
Oct 17, 2023
Shin-Etsu Chemical Co., Ltd.
Hiroaki Nagata
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
R-T-B based permanent magnet
Patent number
11,783,973
Issue date
Oct 10, 2023
TDK Corporation
Hidetake Kitaoka
B22 - CASTING POWDER METALLURGY
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
Two-step diffusion method for preparing high-performance dual-main-...
Patent number
11,742,120
Issue date
Aug 29, 2023
Beijing University of Technology
Weiqiang Liu
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of producing R-T-B sintered magnet
Patent number
11,738,390
Issue date
Aug 29, 2023
PROTERIAL, LTD.
Futoshi Kuniyoshi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Preparation method of improved sintered neodymium-iron-boron (Nd—Fe...
Patent number
11,731,193
Issue date
Aug 22, 2023
BAOTOU JINSHAN MAGNETIC MATERIAL CO., LTD.
Yu Wang
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
R-T-B-based sintered magnet
Patent number
11,735,341
Issue date
Aug 22, 2023
Daido Steel Co., Ltd.
Michihide Nakamura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Methods for tailoring magnetism, and structures obtained therefrom
Patent number
11,721,458
Issue date
Aug 8, 2023
HRL Laboratories, LLC
Brennan Yahata
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
R-T-B based permanent magnet
Patent number
11,710,587
Issue date
Jul 25, 2023
TDK Corporation
Hiroshi Doto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Neodymium-iron-boron permanent magnet and preparation method and us...
Patent number
11,705,256
Issue date
Jul 18, 2023
BAOTOU JINSHAN MAGNETIC MATERIAL CO., LTD.
Feng Xia
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
Information
Patent Application
NEODYMIUM-IRON-BORON MAGNET MATERIAL, PREPARATION METHOD AND USE TH...
Publication number
20240153681
Publication date
May 9, 2024
FUJIAN GOLDEN DRAGON RARE-EARTH Co., Ltd.
Weiguo Mou
B22 - CASTING POWDER METALLURGY
Information
Patent Application
MAIN AND AUXILIARY ALLOY-BASED NEODYMIUM-IRON-BORON MAGNET MATERIAL...
Publication number
20240145137
Publication date
May 2, 2024
FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH CO., LTD
Xing WEI
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD FOR PRODUCING A RAW MAGNET
Publication number
20240145135
Publication date
May 2, 2024
MIMplus Technologies GmbH & Co. KG
Johannes MAURATH
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF MAKING A MAGNETIC MATERIAL AND A FLUIDIZED BED MIXER FOR...
Publication number
20240131483
Publication date
Apr 25, 2024
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Qigui Wang
B22 - CASTING POWDER METALLURGY
Information
Patent Application
R-T-B MAGNET AND PREPARATION METHOD THEREFOR
Publication number
20240127996
Publication date
Apr 18, 2024
Fujian Changting Golden Dragon Rare-Earth Co., Ltd.
Weiguo MOU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
R-T-B MAGNET AND PREPARATION METHOD THEREFOR
Publication number
20240127995
Publication date
Apr 18, 2024
FUJIAN GOLDEN DRAGON RARE-EARTH Co., Ltd.
Weiguo MOU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PROCESS FOR PRODUCING A RAW MAGNET
Publication number
20240127994
Publication date
Apr 18, 2024
MIMplus Technologies GmbH & Co. KG
Johannes MAURATH
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
METHOD OF MANUFACTURING R-T-B BASED SINTERED MAGNET, AND R-T-B BASE...
Publication number
20240105385
Publication date
Mar 28, 2024
TDK Corporation
Suguru SATOH
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SINTERED NEODYMIUM-IRON-BORON PERMANENT MAGNET, PREPARATION METHOD...
Publication number
20240096529
Publication date
Mar 21, 2024
NANTONG ZHENGHAI MAGNET CO., LTD.
Zhaopu XU
B22 - CASTING POWDER METALLURGY
Information
Patent Application
PERMANENT MAGNETS WITH TAILORED TEXTURE AND MAGNETIC ORIENTATION
Publication number
20240087780
Publication date
Mar 14, 2024
HRL LABORATORIES, LLC
Brennan YAHATA
H01 - BASIC ELECTRIC ELEMENTS
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
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
Permeating treatment Method for Radially Oriented Sintered Magnet,...
Publication number
20240071683
Publication date
Feb 29, 2024
Shenzhen Radimag Magnets Co., Ltd.
Wenhao CHENG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SINTERED R-FE-B PERMANENT MAGNET, PREPARATION METHOD AND USE THEREOF
Publication number
20240055163
Publication date
Feb 15, 2024
NANTONG ZHENGHAI MAGNET CO., LTD.
Wei LI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
R-T-B BASED PERMANENT MAGNET
Publication number
20240047103
Publication date
Feb 8, 2024
TDK Corporation
Hikaru KUDO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
R-T-B BASED PERMANENT MAGNET
Publication number
20240038420
Publication date
Feb 1, 2024
TDK Corporation
Atsushi KODA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
SINTERED NEODYMIUM IRON BORON MAGNET AND METHOD OF PREPARING THE SAME
Publication number
20240029928
Publication date
Jan 25, 2024
JL MAG RARE EARTH CO., LTD.
Huayun Mao
H01 - BASIC ELECTRIC ELEMENTS
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 A PERMANENT MAGNET FROM A MAGNETIC STARTING MA...
Publication number
20240013976
Publication date
Jan 11, 2024
MIMplus Technologies GmbH & Co. KG
Johannes MAURATH
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD OF MANUFACTURING PERMANENT MAGNETS
Publication number
20240006100
Publication date
Jan 4, 2024
Advanced Magnet Lab, Inc.
Rainer Meinke
B22 - CASTING POWDER METALLURGY
Information
Patent Application
RARE-EARTH PERMANENT MAGNET AND METHOD OF MANUFACTURING THE SAME
Publication number
20240006099
Publication date
Jan 4, 2024
Hyundai Motor Company
Do Hoon KIM
B22 - CASTING POWDER METALLURGY
Information
Patent Application
RARE EARTH SINTERED MAGNET, METHOD OF MANUFACTURING RARE EARTH SINT...
Publication number
20230420166
Publication date
Dec 28, 2023
Mitsubishi Electric Corporation
Akito IWASAKI
B22 - CASTING POWDER METALLURGY
Information
Patent Application
R-T-B MAGNET AND PREPARATION METHOD THEREFOR
Publication number
20230411054
Publication date
Dec 21, 2023
FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH CO., LTD
Dakun Chen
H01 - BASIC ELECTRIC ELEMENTS
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
METHOD FOR PRODUCING A PERMANENT MAGNET FROM A MAGNETIC STARTING MA...
Publication number
20230335320
Publication date
Oct 19, 2023
MIMplus Technologies GmbH & Co. KG
Johannes MAURATH
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHODS FOR TAILORING MAGNETISM, AND STRUCTURES OBTAINED THEREFROM
Publication number
20230326637
Publication date
Oct 12, 2023
HRL LABORATORIES, LLC
Brennan YAHATA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Method for Manufacturing A Magnet From Recycled Magnets
Publication number
20230317329
Publication date
Oct 5, 2023
Commissariat A L'Energie Atomique et Aux Energies Alternatives
Cyril RADO
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Application
HIGH-RESISTIVITY PERMANENT MAGNETS, THEIR PREPARATION AND THEIR APP...
Publication number
20230307159
Publication date
Sep 28, 2023
ABB Schweiz AG
Lavinia Scherf
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MAGNET ASSEMBLY COMPRISING A FOCUSED MAGNETIC FLUX PORTION AND A PA...
Publication number
20230307971
Publication date
Sep 28, 2023
Siemens Gamesa Renewable Energy A/S
Ziad Azar
H01 - BASIC ELECTRIC ELEMENTS