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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
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H01F1/057
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Patents Grants
last 30 patents
Information
Patent Grant
Additive manufacturing of ND—FE—B magnets with insulating layers
Patent number
12,243,683
Issue date
Mar 4, 2025
Ford Global Technologies, LLC
Wanfeng Li
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Sintered magnet and production method for sintered magnet
Patent number
12,234,534
Issue date
Feb 25, 2025
Hitachi, Ltd.
Matahiro Komuro
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Compound for bonded magnet, bonded magnet, method of producing same...
Patent number
12,230,438
Issue date
Feb 18, 2025
Nichia Corporation
Satoshi Yamanaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for manufacturing rare earth permanent magnet
Patent number
12,205,737
Issue date
Jan 21, 2025
Star Group Ind. Co., Ltd.
Dong Hwan Kim
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of producing sintered magnet
Patent number
12,205,738
Issue date
Jan 21, 2025
LG Chem, Ltd.
Tae Hoon Kim
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Extrusion-compression method for producing bonded permanent magnets
Patent number
12,205,739
Issue date
Jan 21, 2025
UT-Battelle, LLC
Uday Kumar Vaidya
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Feedstock and heterogeneous structure for tough rare earth permanen...
Patent number
12,205,762
Issue date
Jan 21, 2025
Iowa State University Research Foundation, Inc.
Jun Cui
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Rare earth permanent magnet material and raw material composition,p...
Patent number
12,198,840
Issue date
Jan 14, 2025
FUJIAN GOLDEN DRAGON RARE- EARTH Co., Ltd.
Qin Lan
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Anisotropic bonded magnet and preparation method thereof
Patent number
12,142,403
Issue date
Nov 12, 2024
GRIREM HI-TECH CO., LTD.
Yang Luo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Rare earth magnet and preparation method thereof
Patent number
12,131,850
Issue date
Oct 29, 2024
SANVAC (BEIJING) MAGNETICS CO., LTD.
Guoan Chen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for producing sintered magnet and sintered magnet
Patent number
12,119,150
Issue date
Oct 15, 2024
LG Chem, Ltd.
Nakheon Sung
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for improving corrosion resistance of neodymium-iron-boron m...
Patent number
12,112,884
Issue date
Oct 8, 2024
Zhejiang University
Mi Yan
C21 - METALLURGY OF IRON
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
Method for identifying irreversible demagnetization of grain bounda...
Patent number
12,092,707
Issue date
Sep 17, 2024
Hangzhou Magmax Technology Co., Ltd.
Jinghui Di
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Flexible permanent magnetic material, preparation method and applic...
Patent number
12,087,482
Issue date
Sep 10, 2024
Peking University
Shunquan Liu
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Auxiliary alloy casting piece, high-remanence and high-coercive for...
Patent number
12,087,481
Issue date
Sep 10, 2024
BAOTOU JINSHAN MAGNETIC MATERIAL CO., LTD.
Feng Xia
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Gradient Nd—Fe—B magnet and a method of production
Patent number
12,080,478
Issue date
Sep 3, 2024
YANTAI SHOUGANG MAGNETIC MATERIALS INC.
Kunkun Yang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Rare earth permanent magnet and rotating electric machine including...
Patent number
12,074,475
Issue date
Aug 27, 2024
TDK Corporation
Takuma Hayakawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Neodymium-iron-boron magnetic body having gradient distribution and...
Patent number
12,062,472
Issue date
Aug 13, 2024
JL MAG RARE-EARTH CO., LTD.
Minghuo Liao
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
Reduction of cracks in additively manufactured Nd—Fe—B magnet
Patent number
12,046,399
Issue date
Jul 23, 2024
Ford Global Technologies, LLC
Wanfeng Li
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Mold for and method of producing polar anisotropic ring-shaped bond...
Patent number
12,040,128
Issue date
Jul 16, 2024
Nichia Corporation
Masahiro Abe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Methods and systems for producing magnetic material
Patent number
12,033,794
Issue date
Jul 9, 2024
NEO PERFORMANCE MATERIALS (SINGAPORE) PTE LTD
William Ray Green
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
Methods for tailoring magnetism, and structures obtained therefrom
Patent number
12,027,293
Issue date
Jul 2, 2024
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 and motor
Patent number
12,020,836
Issue date
Jun 25, 2024
TDK Corporation
Koji Miura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Manufacturing method of sintered magnet
Patent number
12,020,835
Issue date
Jun 25, 2024
LG Chem, Ltd.
Tae Hoon Kim
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Corrosion-inhibiting protection for watch magnets, in particular ne...
Patent number
12,012,651
Issue date
Jun 18, 2024
Comadur S.A.
Alexandra Amherd-Hidalgo
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Dual rotor electrical machines
Patent number
12,003,152
Issue date
Jun 4, 2024
Advanced Magnet Lab, Inc.
Rainer Meinke
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Magnetic material and manufacturing method thereof
Patent number
11,996,219
Issue date
May 28, 2024
Toyota Jidosha Kabushiki Kaisha
Noritsugu Sakuma
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND SYSTEMS FOR UNIFORM DISTRIBUTION OF ADDITIVE DOMAINS IN...
Publication number
20250104909
Publication date
Mar 27, 2025
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Margarita P. Thompson
B22 - CASTING POWDER METALLURGY
Information
Patent Application
ELECTRIC PRESS WITH DISC STACKING
Publication number
20250095913
Publication date
Mar 20, 2025
Baiqida Intelligent Technology (Ningbo) Co., Ltd.
Niansheng ZHOU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FEEDSTOCK AND HETEROGENEOUS STRUCTURES FOR TOUGH RARE EARTH PERMANE...
Publication number
20250095914
Publication date
Mar 20, 2025
Iowa State University Research Foundation, Inc.
Jun Cui
B22 - CASTING POWDER METALLURGY
Information
Patent Application
NEODYMIUM-IRON-BORON MAGNET MATERIAL AND PREPARATION METHOD THEREFO...
Publication number
20250087394
Publication date
Mar 13, 2025
FUJIAN GOLDEN DRAGON RARE-EARTH Co., Ltd.
Weiguo MOU
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
HIGH-PERFORMANCE SINTERED NEODYMIUM-IRON-BORON MAGNET AND PREPARATI...
Publication number
20250075295
Publication date
Mar 6, 2025
YANTAI ZHENGHAI MAGNETIC MATERIAL CO., LTD.
Zhiqiang LI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
NEODYMIUM-IRON-BORON MAGNET MATERIAL, PREPARATION THEREFOR, AND APP...
Publication number
20250069785
Publication date
Feb 27, 2025
FUJIAN GOLDEN DRAGON RARE-EARTH Co., Ltd.
Weiguo MOU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NEODYMIUM-IRON-BORON MAGNET AS WELL AS PREPARATION METHOD THEREFOR...
Publication number
20250069784
Publication date
Feb 27, 2025
YANTAI ZHENGHAI MAGNETIC MATERIAL CO., LTD.
Yongjiang YU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HOT-DEFORMED R-Fe-B MAGNET FOR VARIABLE-MAGNETIC-FORCE MOTOR, VARIA...
Publication number
20250054664
Publication date
Feb 13, 2025
National Institute for Materials Science
Xin TANG
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR PREPARING FLEXIBLE MAGNETIC STRIP CARRIER, FLEXIBLE MAGN...
Publication number
20250043154
Publication date
Feb 6, 2025
Shenzhen Mlen Biotechnology Co., LTD
Linyan WU
A41 - WEARING APPAREL
Information
Patent Application
METHOD FOR PRODUCING RARE EARTH IRON-BASED SINTERED MAGNET, APPARAT...
Publication number
20250037933
Publication date
Jan 30, 2025
MINEBEA MITSUMI INC.
Yu OKAWARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
R-T-B PERMANENT MAGNET
Publication number
20250011904
Publication date
Jan 9, 2025
TDK CORPORTION
Hiroki KAWAMURA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
CYLINDRICAL BONDED MAGNET, METHOD OF PRODUCING CYLINDRICAL BONDED M...
Publication number
20250010369
Publication date
Jan 9, 2025
Nichia Corporation.
Rie YOSHIDA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
R-T-B BASED PERMANENT MAGNET
Publication number
20250014792
Publication date
Jan 9, 2025
TDK Corporation
Hiroki KAWAMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HIGH-REMANENCE NEODYMIUM-IRON-BORON MAGNET, AND PREPARATION METHOD...
Publication number
20250006411
Publication date
Jan 2, 2025
YANTAI ZHENGHAI MAGNETIC MATERIAL CO., LTD.
Yongjiang YU
B22 - CASTING POWDER METALLURGY
Information
Patent Application
ANISOTROPIC NANOCRYSTALLINE RARE EARTH PERMANENT MAGNET AND PREPARA...
Publication number
20240420873
Publication date
Dec 19, 2024
SICHUAN UNIVERSITY
Ying LIU
B22 - CASTING POWDER METALLURGY
Information
Patent Application
HIGH-COERCIVITY ND-FE-B SERIES SINTERED MAGNET AND PREPARATION METH...
Publication number
20240412903
Publication date
Dec 12, 2024
YANTAI ZHENGHAI MAGNETIC MATERIAL CO., LTD.
Yongjiang YU
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD FOR PRODUCING RFeB-BASED MAGNET, AND ALLOY FOR GRAIN BOUNDAR...
Publication number
20240395456
Publication date
Nov 28, 2024
DAIDO STEEL CO., LTD.
Mayu KIKUCHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF PREPARING MAGNETIC POWDER AND MAGNETIC POWDER
Publication number
20240363270
Publication date
Oct 31, 2024
Hyundai Motor Company
Bo Kyeong Han
B22 - CASTING POWDER METALLURGY
Information
Patent Application
R-T-B BASED SINTERED MAGNET
Publication number
20240363272
Publication date
Oct 31, 2024
Proterial, Ltd.
Futoshi KUNIYOSHI
B22 - CASTING POWDER METALLURGY
Information
Patent Application
R-T-B BASED PERMANENT MAGNET AND METHOD OF MANUFACTURING THE SAME
Publication number
20240363271
Publication date
Oct 31, 2024
TDK Corporation
Hiroki KAWAMURA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
R-T-B MAGNET AND PREPARATION METHOD THEREFOR
Publication number
20240355515
Publication date
Oct 24, 2024
Fujian Golden Dragon Rare-Earth Co., Ltd
Weiguo Mou
B22 - CASTING POWDER METALLURGY
Information
Patent Application
REDUCTION OF CRACKS IN ADDITIVELY MANUFACTURED ND-FE-B MAGNET
Publication number
20240355514
Publication date
Oct 24, 2024
FORD GLOBAL TECHNOLOGIES, L.L.C.
Wanfeng Li
B22 - CASTING POWDER METALLURGY
Information
Patent Application
ENERGY TRANSFER ELEMENT MAGNETIZED AFTER ASSEMBLY
Publication number
20240347271
Publication date
Oct 17, 2024
Power Integrations, Inc.
David Michael Hugh Matthews
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
INTRAVASCULAR BLOOD PUMP COMPRISING CORROSION RESISTANT PERMANENT M...
Publication number
20240347270
Publication date
Oct 17, 2024
ABIOMED EUROPE GMBH
Thorsten Siess
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RARE EARTH SINTERED MAGNET, METHOD FOR PRODUCING RARE EARTH SINTERE...
Publication number
20240339252
Publication date
Oct 10, 2024
Mitsubishi Electric Corporation
Akito IWASAKI
B22 - CASTING POWDER METALLURGY
Information
Patent Application
NEODYMIUM-IRON-BORON MAGNET AND PREPARATION METHOD THEREFOR
Publication number
20240339251
Publication date
Oct 10, 2024
Fujian Golden Dragon Rare-Earth Co., Ltd
ZHIHUI TANG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
R-T-B BASED PERMANENT MAGNET
Publication number
20240331897
Publication date
Oct 3, 2024
TDK Corporation
Lihua LIU
B22 - CASTING POWDER METALLURGY
Information
Patent Application
CORROSION-RESISTANT AND HIGH-PERFORMANCE SINTERED NEODYMIUM-IRON-BO...
Publication number
20240331898
Publication date
Oct 3, 2024
YANTAI ZHENGHAI MAGNETIC MATERIAL CO., LTD.
Zhiqiang LI
B22 - CASTING POWDER METALLURGY
Information
Patent Application
R-T-B BASED PERMANENT MAGNET
Publication number
20240331899
Publication date
Oct 3, 2024
TDK Corporation
Ikuya KOKAWA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD FOR PREPARING ANISOTROPIC FLAKE NANOCRYSTALLINE RARE EARTH P...
Publication number
20240331937
Publication date
Oct 3, 2024
SICHUAN UNIVERSITY
Ying LIU
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...