diffusion of rare earth elements

Industry

CPC
H01F41/0293

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Parent Industries

HELECTRICITY H01Electric elements H01FMAGNETS INDUCTANCES TRANSFORMERS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES H01F41/00Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties

Current Industry

H01F41/0293diffusion of rare earth elements

Industries

Patents Grantslast 30 patents

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
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
Yttrium-added rare earth permanent magnet material and preparation...
- Patent number 12,129,532
- Issue date Oct 29, 2024
- Grirem Advanced Materials Co., Ltd.
- Yang Luo
- B22 - CASTING POWDER METALLURGY
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
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
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
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
Rare earth permanent magnet material and preparation method thereof
- Patent number 11,984,258
- Issue date May 14, 2024
- ADVANCED TECHNOLOGY & MATERIALS CO., LTD.
- Lei Zhou
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
High performance magnets
- Patent number 11,984,243
- Issue date May 14, 2024
- UT-Battelle, LLC
- David S. Parker
- 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
Additive manufacture of anisotropic rare earth magnets
- Patent number 11,920,224
- Issue date Mar 5, 2024
- Ford Global Technologies, LLC
- Wanfeng Li
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for manufacturing rare earth permanent magnet
- Patent number 11,915,861
- Issue date Feb 27, 2024
- Star Group Ind. Co., Ltd.
- Dong Hwan Kim
- B22 - CASTING POWDER METALLURGY
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
Coating materials for diffusing into magnet of NdFeB and a method o...
- Patent number 11,848,152
- Issue date Dec 19, 2023
- NINGBO JINJI STRONG MAGNETIC MATERIAL CO., LTD.
- Feng Xu
- B22 - CASTING POWDER METALLURGY
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
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
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
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
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
Rare earth magnets
- Patent number 11,721,479
- Issue date Aug 8, 2023
- Toyota Jidosha Kabushiki Kaisha
- Kazuya Yokota
- H01 - BASIC ELECTRIC ELEMENTS
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
Rare earth magnet and manufacturing method therefor
- Patent number 11,664,140
- Issue date May 30, 2023
- Toyota Jidosha Kabushiki Kaisha
- Noritsugu Sakuma
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Manufacturing method of sintered magnet, and sintered magnet
- Patent number 11,657,933
- Issue date May 23, 2023
- LG Chem, Ltd.
- Ikjin Choi
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC MATERIAL PREPARATION APPARATUS, MAGNETIC MATERIAL AND PREP...
- Publication number 20250022653
- Publication date Jan 16, 2025
- Hangzhou Dianzi University
- Xuefeng ZHANG
- 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
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
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
R-T-B BASED PERMANENT MAGNET
- Publication number 20240321490
- Publication date Sep 26, 2024
- TDK Corporation
- Takuma HAYAKAWA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
LOW-COST HIGH-COERCIVITY LACE-RICH NEODYMIUM-IRON-BORON PERMANENT M...
- Publication number 20240274333
- Publication date Aug 15, 2024
- YANTAI ZHENGHAI MAGNETIC MATERIAL CO., LTD.
- Bingqiang SHI
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Rare earth ion-doped soft magnetic alloy, soft magnetic composite m...
- Publication number 20240249864
- Publication date Jul 25, 2024
- HENGDIAN GROUP DMEGC MAGNETICS CO., LTD.
- Yuping LI
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Grain Boundary Engineering of Sintered Magnetic Alloys And The Comp...
- Publication number 20240194381
- Publication date Jun 13, 2024
- Noveon Magnetics Inc.
- Miha Zakotnik
- B22 - CASTING POWDER METALLURGY
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
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
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
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
NEODYMIUM MAGNET AND METHOD FOR MANUFACTURING NEODYMIUM MAGNET BY T...
- Publication number 20240071682
- Publication date Feb 29, 2024
- JL MAG RARE-EARTH (BAOTOU) CO., LTD.
- Minghuo LIAO
- H01 - BASIC ELECTRIC ELEMENTS
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
COATING MATERIALS FOR DIFFUSING INTO MAGNET OF NdFeB AND A METHOD O...
- Publication number 20240062954
- Publication date Feb 22, 2024
- Ningbo Jinji Strong Magnetic Material Co., Ltd.
- Feng XU
- B22 - CASTING POWDER METALLURGY
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
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
GRAIN BOUNDARY DIFFUSION METHOD BASED ON 1:2 PHASE FOR SIMULTANEOUS...
- Publication number 20230335334
- Publication date Oct 19, 2023
- Zhejiang University
- JIAYING JIN
- B22 - CASTING POWDER METALLURGY
Information Patent Application
NEODYMIUM-IRON-BORON MAGNET, PREPARATION METHOD AND USE THEREOF
- Publication number 20230207165
- Publication date Jun 29, 2023
- YANTAI ZHENGHAI MAGNETIC MATERIAL CO., LTD.
- Bingqiang SHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GRAIN BOUNDARY ENGINEERING OF SINTERED MAGNETIC ALLOYS AND THE COMP...
- Publication number 20230154657
- Publication date May 18, 2023
- Noveon Magnetics Inc.
- Miha Zakotnik
- B22 - CASTING POWDER METALLURGY
Information Patent Application
R-T-B BASED PERMANENT MAGNET
- Publication number 20230147967
- Publication date May 11, 2023
- TDK Corporation
- Lihua LIU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANISOTROPIC RARE-EARTH SINTERED MAGNET AND METHOD FOR PRODUCING SAME
- Publication number 20230144451
- Publication date May 11, 2023
- Shin-Etsu Chemical Co., Ltd.
- Tadao NOMURA
- 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 MANUFACTURING R-T-B BASED SINTERED MAGNET, AND R-T-B BAS...
- Publication number 20230040720
- Publication date Feb 9, 2023
- Hitachi Metals, Ltd.
- Nobuhiko FUJIMORI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PULVERIZING A WASTE MAGNET AND A WASTE MAGNET POWDER PRO...
- Publication number 20230034104
- Publication date Feb 2, 2023
- Hyundai Motor Company
- Bo Kyeong Han
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NEODYMIUM-IRON-BORON MAGNET MATERIAL, RAW MATERIAL COMPOSITION PREP...
- Publication number 20230023534
- Publication date Jan 26, 2023
- FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH CO., LTD
- Ying LUO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

diffusion of rare earth elements

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for manufacturing rare earth permanent magnet

Anisotropic bonded magnet and preparation method thereof

Yttrium-added rare earth permanent magnet material and preparation...

Device and method for improving coercivity of ring-shaped NdFeB magnet

Gradient Nd—Fe—B magnet and a method of production

Rare earth permanent magnet and rotating electric machine including...

Neodymium-iron-boron magnetic body having gradient distribution and...

Low-cost rare earth magnet and corresponding manufacturing method t...

Method for increasing the coercivity of a sintered type NdFeB perma...

Manufacturing method of sintered magnet

Rare earth permanent magnet material and preparation method thereof

High performance magnets

Method for preparing sintered magnet and sintered magnet

Method about increasing the coercivity of a sintered type NdFeB per...

Grain boundary engineering of sintered magnetic alloys and the comp...

Additive manufacture of anisotropic rare earth magnets

Method for manufacturing rare earth permanent magnet

Rare earth magnet and producing method thereof

Coating materials for diffusing into magnet of NdFeB and a method o...

Permanent magnet with inter-grain heavy-rare-earth element, and met...

Magnet structure

Sintered R-T-B based magnet and method for producing the same

Magnet

Method of improving coercivity of an arc-shaped Nd-Fe-B magnet

Rare earth permanent magnets and their preparation

Two-step diffusion method for preparing high-performance dual-main-...

Rare earth magnets

R-T-B based permanent magnet

Rare earth magnet and manufacturing method therefor

Manufacturing method of sintered magnet, and sintered magnet

Patents Applicationslast 30 patents

MAGNETIC MATERIAL PREPARATION APPARATUS, MAGNETIC MATERIAL AND PREP...

R-T-B PERMANENT MAGNET

METHOD FOR PRODUCING RFeB-BASED MAGNET, AND ALLOY FOR GRAIN BOUNDAR...

R-T-B MAGNET AND PREPARATION METHOD THEREFOR

R-T-B BASED PERMANENT MAGNET

LOW-COST HIGH-COERCIVITY LACE-RICH NEODYMIUM-IRON-BORON PERMANENT M...

Rare earth ion-doped soft magnetic alloy, soft magnetic composite m...

Grain Boundary Engineering of Sintered Magnetic Alloys And The Comp...

NEODYMIUM-IRON-BORON MAGNET MATERIAL, PREPARATION METHOD AND USE TH...

R-T-B MAGNET AND PREPARATION METHOD THEREFOR

R-T-B MAGNET AND PREPARATION METHOD THEREFOR

METHOD FOR IMPROVING COERCIVITY OF NEODYMIUM-IRON-BORON MAGNET AND...

METHOD OF MANUFACTURING R-T-B BASED SINTERED MAGNET, AND R-T-B BASE...

RARE EARTH PERMANENT MAGNET, AND PREPARATION METHOD THEREFOR

NEODYMIUM MAGNET AND METHOD FOR MANUFACTURING NEODYMIUM MAGNET BY T...

Permeating treatment Method for Radially Oriented Sintered Magnet,...

COATING MATERIALS FOR DIFFUSING INTO MAGNET OF NdFeB AND A METHOD O...

RARE EARTH PERMANENT MAGNET, PREPARATION METHOD AND USE THEREOF

NdFeB rare earth magnet and manufacturing method thereof

Rare earth magnet and manufacturing method thereof

GRAIN BOUNDARY DIFFUSION METHOD BASED ON 1:2 PHASE FOR SIMULTANEOUS...

NEODYMIUM-IRON-BORON MAGNET, PREPARATION METHOD AND USE THEREOF

GRAIN BOUNDARY ENGINEERING OF SINTERED MAGNETIC ALLOYS AND THE COMP...

R-T-B BASED PERMANENT MAGNET

ANISOTROPIC RARE-EARTH SINTERED MAGNET AND METHOD FOR PRODUCING SAME

Low-heavy rare earth magnet and manufacturing method thereof

A low-cost rare earth magnet and corresponding manufacturing method...

METHOD FOR MANUFACTURING R-T-B BASED SINTERED MAGNET, AND R-T-B BAS...

METHOD FOR PULVERIZING A WASTE MAGNET AND A WASTE MAGNET POWDER PRO...

NEODYMIUM-IRON-BORON MAGNET MATERIAL, RAW MATERIAL COMPOSITION PREP...