obtained by reduction or by hydrogen decrepitation or embrittlement

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CPC
H01F1/0573

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HELECTRICITY H01Electric elements H01FMAGNETS INDUCTANCES TRANSFORMERS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor Selection of materials for their magnetic properties

Current Industry

H01F1/0573obtained by reduction or by hydrogen decrepitation or embrittlement

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Processing of NdFeB magnetic material
- Patent number 11,915,844
- Issue date Feb 27, 2024
- The University of Birmingham
- Allan Walton
- 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
Process for producing R-T-B-based rare earth magnet particles, R-T-...
- Patent number 11,688,534
- Issue date Jun 27, 2023
- Toda Kogyo Corp.
- Shohei Kaneko
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Magnet production
- Patent number 11,270,840
- Issue date Mar 8, 2022
- The University of Birmingham
- Ivor Rex Harris
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
R-T-B-based rare earth magnet particles, and bonded magnets contain...
- Patent number 11,120,932
- Issue date Sep 14, 2021
- Toda Kogyo Corp.
- Nobuhiro Katayama
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Permanent magnet and method of making permanent magnet
- Patent number 11,004,600
- Issue date May 11, 2021
- Ford Global Technologies, LLC
- Wanfeng Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Production method of rare earth sintered magnet and production devi...
- Patent number 10,629,345
- Issue date Apr 21, 2020
- NDFEB CORPORATION
- Masato Sagawa
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Magnetic material and a method of synthesising the same
- Patent number 10,629,344
- Issue date Apr 21, 2020
- Rolls-Royce PLC
- Raju V Ramanujan
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Rare earth based magnet
- Patent number 10,546,672
- Issue date Jan 28, 2020
- TDK Corporation
- Eiji Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
R-Fe-B sintered magnet and making method
- Patent number 10,515,747
- Issue date Dec 24, 2019
- Shin-Etsu Chemical Co., Ltd.
- Koichi Hirota
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
R—Fe—B sintered magnet and making method
- Patent number 10,410,775
- Issue date Sep 10, 2019
- Shin-Etsu Chemical Co., Ltd.
- Koichi Hirota
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Rare earth magnet and a method for manufacturing compactable powder...
- Patent number 10,381,141
- Issue date Aug 13, 2019
- XIAMEN TUNGSTEN CO., LTD.
- Hiroshi Nagata
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Rare earth magnet molding and method for manufacturing the same
- Patent number 10,287,656
- Issue date May 14, 2019
- Nissan Motor Co., Ltd.
- Yoshio Kawashita
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method and device for preparing a sintered Nd—Fe—B permanent magnet
- Patent number 10,274,257
- Issue date Apr 30, 2019
- HANXI HENGLICHENG MAGNETIC INDUSTRY CO., LTD.
- Jingfeng Wu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Low-neodymium, non-heavy-rare-earth and high performance magnet
- Patent number 10,049,797
- Issue date Aug 14, 2018
- Central Iron & Steel Research Institute
- Minggang Zhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
R-Fe—B sintered magnet and making method
- Patent number 9,892,831
- Issue date Feb 13, 2018
- Shin-Etsu Chemical Co., Ltd.
- Koichi Hirota
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing NdFeB system sintered magnet
- Patent number 9,837,207
- Issue date Dec 5, 2017
- INTERMETALLICS CO., LTD.
- Masato Sagawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Rare earth sintered magnet and making method
- Patent number 9,734,947
- Issue date Aug 15, 2017
- Shin-Etsu Chemical Co., Ltd.
- Hajime Nakamura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
Magnet recycling
- Patent number 9,663,843
- Issue date May 30, 2017
- The University of Birmingham
- Ivor Rex Harris
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method and device for recovering hydrogen pulverized powder of raw-...
- Patent number 9,643,253
- Issue date May 9, 2017
- Hitachi Metals, Ltd.
- Shoji Nakayama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method and equipment for processing NdFeB rare earth permanent magn...
- Patent number 9,620,269
- Issue date Apr 11, 2017
- SHENYANG GENERAL MAGNETIC CO., LTD
- Baoyu Sun
- C21 - METALLURGY OF IRON
Information Patent Grant
Continuous hydrogen pulverization method and production device of r...
- Patent number 9,543,063
- Issue date Jan 10, 2017
- SHENYANG GENERAL MAGNETIC CO., LTD
- Xiaodong Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Powder for magnet
- Patent number 9,460,836
- Issue date Oct 4, 2016
- Sumitomo Electric Industries, Ltd.
- Toru Maeda
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing a high-performance neodymium—iron—boron rare e...
- Patent number 9,427,804
- Issue date Aug 30, 2016
- China North Magnetic & Electronic Technology Co., LTD
- Haotian Sun
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
R—Fe—B porous magnet and method for producing the same
- Patent number 9,418,786
- Issue date Aug 16, 2016
- Hitachi Metals, Ltd.
- Takeshi Nishiuchi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Powder for magnet
- Patent number 9,314,843
- Issue date Apr 19, 2016
- Sumitomo Electric Industries, Ltd.
- Toru Maeda
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for preparing R-Fe-B-based rare earth magnetic powder for a...
- Patent number 9,230,721
- Issue date Jan 5, 2016
- Korea Institute of Machinery & Materials
- Ji-Hun Yu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Mixing apparatus for magnet recycling
- Patent number 9,144,865
- Issue date Sep 29, 2015
- Urban Mining Technology Company
- Miha Zakotnik
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Harvesting apparatus for magnet recycling
- Patent number 9,095,940
- Issue date Aug 4, 2015
- Miha Zakotnik
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF INCREASING ANISOTROPY OF MAGNETIC MATERIALS
- Publication number 20240290538
- Publication date Aug 29, 2024
- UT-Battelle, LLC
- Michael S. Kesler
- B22 - CASTING POWDER METALLURGY
Information Patent Application
PERMANENT MAGNET POWDER MANUFACTURED BY REDUCTION-DIFFUSION METHOD,...
- Publication number 20240278317
- Publication date Aug 22, 2024
- Hyundai Motor Company
- Bo Kyeong Han
- B22 - CASTING POWDER METALLURGY
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
COMPRESSION-BONDED MAGNET, MANUFACTURING METHOD THEREFOR, AND FIELD...
- Publication number 20230128480
- Publication date Apr 27, 2023
- AICHI STEEL CORPORATION
- Yuki TSUGE
- H01 - BASIC ELECTRIC ELEMENTS
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
R-Fe-B SINTERED MAGNET AND GRAIN BOUNDARY DIFFUSION TREATMENT METHO...
- Publication number 20220328245
- Publication date Oct 13, 2022
- XIAMEN TUNGSTEN CO., LTD.
- Dawei SHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NEODYMIUM-IRON-BORON MAGNET MATERIAL, RAW MATERIAL COMPOSITION, PRE...
- Publication number 20220285059
- Publication date Sep 8, 2022
- Xiamen Tungsten Co., Ltd.
- Gang FU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for Producing Magnet Powder and Sintered Magnet Produced by...
- Publication number 20220238264
- Publication date Jul 28, 2022
- LG CHEM, LTD.
- Jinhyeok Choe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
R-T-B-BASED RARE EARTH MAGNET PARTICLES, PROCESS FOR PRODUCING THE...
- Publication number 20210375513
- Publication date Dec 2, 2021
- TODA KOGYO CORP.
- Nobuhiro KATAYAMA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
RARE EARTH SINTERED MAGNET AND MAKING METHOD
- Publication number 20210366635
- Publication date Nov 25, 2021
- Shin-Etsu Chemical Co., Ltd.
- Yosuke SHINADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
R-T-B-BASED RARE EARTH MAGNET PARTICLES, PROCESS FOR PRODUCING THE...
- Publication number 20210366636
- Publication date Nov 25, 2021
- TODA KOGYO CORP.
- Nobuhiro KATAYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PERMANENT MAGNET AND METHOD OF MAKING PERMANENT MAGNET
- Publication number 20190385789
- Publication date Dec 19, 2019
- FORD GLOBAL TECHNOLOGIES, L.L.C.
- Wanfeng LI
- C30 - CRYSTAL GROWTH
Information Patent Application
Method And Installation For Manufacturing A Starting Material For P...
- Publication number 20190027284
- Publication date Jan 24, 2019
- Netzsch Trockenmahltechnik GmbH
- Frank Winter
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Magnet Production
- Publication number 20180190428
- Publication date Jul 5, 2018
- The University of Birmingham
- Ivor Rex Harris
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETIC MATERIAL AND A METHOD OF SYNTHESISING THE SAME
- Publication number 20180130579
- Publication date May 10, 2018
- Rolls-Royce plc
- Raju V. RAMANUJAN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PRODUCTION METHOD OF RARE EARTH SINTERED MAGNET AND PRODUCTION DEVI...
- Publication number 20160293306
- Publication date Oct 6, 2016
- NDFEB Corporation
- Masato Sagawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD OF MANUFACTURING ALLOY FOR R-T-B-BASED RARE EARTH SINTERED M...
- Publication number 20160012946
- Publication date Jan 14, 2016
- SHOWA DENKO K.K.
- Masaki HORIKITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MANUFACTURING METHOD OF A POWDER FOR COMPACTING RARE EARTH MAGNET A...
- Publication number 20150302960
- Publication date Oct 22, 2015
- XIAMEN TUNGSTEN CO., LTD.
- Hiroshi Nagata
- C21 - METALLURGY OF IRON
Information Patent Application
Method and equipment for processing NdFeB rare earth permanent magn...
- Publication number 20150243417
- Publication date Aug 27, 2015
- SHENYANG GENERAL MAGNETIC CO., LTD.
- Baoyu Sun
- C21 - METALLURGY OF IRON
Information Patent Application
Magnet Recycling to Create Nd-Fe-B Magnets with Improved or Restore...
- Publication number 20140366687
- Publication date Dec 18, 2014
- Miha ZAKOTNIK
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Magnet Recycling to Create ND-FE-B Magnets with Improved or Restore...
- Publication number 20140369881
- Publication date Dec 18, 2014
- Miha ZAKOTNIK
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
MAGNETIC MATERIAL AND METHOD FOR PRODUCING SAME
- Publication number 20140346388
- Publication date Nov 27, 2014
- ROBERT BOSCH GmbH
- Konrad Güth
- C21 - METALLURGY OF IRON
Information Patent Application
R-T-B-BASED RARE EARTH MAGNET PARTICLES, PROCESS FOR PRODUCING THE...
- Publication number 20140326363
- Publication date Nov 6, 2014
- Toda Kogyo Corp.
- Nobuhiro Katayama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for producing a high-performance neodymium-iron-boron rare e...
- Publication number 20140328711
- Publication date Nov 6, 2014
- China North Magnetic & Electronic Technology Co., LTD
- Haotian Sun
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD AND DEVICE FOR PREPARING A SINTERED Nd-Fe-B PERMANENT MAGNET
- Publication number 20140294655
- Publication date Oct 2, 2014
- Jingfeng Wu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RARE EARTH BASED MAGNET
- Publication number 20140292453
- Publication date Oct 2, 2014
- Eiji KATO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
R-T-B-BASED RARE EARTH MAGNET PARTICLES, PROCESS FOR PRODUCING THE...
- Publication number 20140266525
- Publication date Sep 18, 2014
- TODA KOGYO CORP.
- Nobuhiro KATAYAMA
- C21 - METALLURGY OF IRON
Information Patent Application
MAGNETIC MATERIAL AND METHOD FOR PRODUCING SAME
- Publication number 20140225696
- Publication date Aug 14, 2014
- ROBERT BOSCH GmbH
- Konrad Güth
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR PRODUCING MAGNETIC POWDER AND MAGNET
- Publication number 20140170014
- Publication date Jun 19, 2014
- Korea Institute of Machinery and Materials
- Jae Ryung Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NANOSTRUCTURED HIGH-STRENGTH PERMANENT MAGNETS
- Publication number 20140132376
- Publication date May 15, 2014
- The Regents of the University of California
- Sungho Jin
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

obtained by reduction or by hydrogen decrepitation or embrittlement

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Processing of NdFeB magnetic material

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

Process for producing R-T-B-based rare earth magnet particles, R-T-...

Magnet production

R-T-B-based rare earth magnet particles, and bonded magnets contain...

Permanent magnet and method of making permanent magnet

Production method of rare earth sintered magnet and production devi...

Magnetic material and a method of synthesising the same

Rare earth based magnet

R-Fe-B sintered magnet and making method

R—Fe—B sintered magnet and making method

Rare earth magnet and a method for manufacturing compactable powder...

Rare earth magnet molding and method for manufacturing the same

Method and device for preparing a sintered Nd—Fe—B permanent magnet

Low-neodymium, non-heavy-rare-earth and high performance magnet

R-Fe—B sintered magnet and making method

Method for producing NdFeB system sintered magnet

Rare earth sintered magnet and making method

Method for producing an R-T-B-M sintered magnet

Magnet recycling

Method and device for recovering hydrogen pulverized powder of raw-...

Method and equipment for processing NdFeB rare earth permanent magn...

Continuous hydrogen pulverization method and production device of r...

Powder for magnet

Method for producing a high-performance neodymium—iron—boron rare e...

R—Fe—B porous magnet and method for producing the same

Powder for magnet

Method for preparing R-Fe-B-based rare earth magnetic powder for a...

Mixing apparatus for magnet recycling

Harvesting apparatus for magnet recycling

Patents Applicationslast 30 patents

METHOD OF INCREASING ANISOTROPY OF MAGNETIC MATERIALS

PERMANENT MAGNET POWDER MANUFACTURED BY REDUCTION-DIFFUSION METHOD,...

METHOD FOR PRODUCING A PERMANENT MAGNET FROM A MAGNETIC STARTING MA...

COMPRESSION-BONDED MAGNET, MANUFACTURING METHOD THEREFOR, AND FIELD...

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

R-Fe-B SINTERED MAGNET AND GRAIN BOUNDARY DIFFUSION TREATMENT METHO...

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

Method for Producing Magnet Powder and Sintered Magnet Produced by...

R-T-B-BASED RARE EARTH MAGNET PARTICLES, PROCESS FOR PRODUCING THE...

RARE EARTH SINTERED MAGNET AND MAKING METHOD

R-T-B-BASED RARE EARTH MAGNET PARTICLES, PROCESS FOR PRODUCING THE...

PERMANENT MAGNET AND METHOD OF MAKING PERMANENT MAGNET

Method And Installation For Manufacturing A Starting Material For P...

Magnet Production

MAGNETIC MATERIAL AND A METHOD OF SYNTHESISING THE SAME

PRODUCTION METHOD OF RARE EARTH SINTERED MAGNET AND PRODUCTION DEVI...

METHOD OF MANUFACTURING ALLOY FOR R-T-B-BASED RARE EARTH SINTERED M...

MANUFACTURING METHOD OF A POWDER FOR COMPACTING RARE EARTH MAGNET A...

Method and equipment for processing NdFeB rare earth permanent magn...

Magnet Recycling to Create Nd-Fe-B Magnets with Improved or Restore...

Magnet Recycling to Create ND-FE-B Magnets with Improved or Restore...

MAGNETIC MATERIAL AND METHOD FOR PRODUCING SAME

R-T-B-BASED RARE EARTH MAGNET PARTICLES, PROCESS FOR PRODUCING THE...

Method for producing a high-performance neodymium-iron-boron rare e...

METHOD AND DEVICE FOR PREPARING A SINTERED Nd-Fe-B PERMANENT MAGNET

RARE EARTH BASED MAGNET

R-T-B-BASED RARE EARTH MAGNET PARTICLES, PROCESS FOR PRODUCING THE...

MAGNETIC MATERIAL AND METHOD FOR PRODUCING SAME

METHOD FOR PRODUCING MAGNETIC POWDER AND MAGNET

NANOSTRUCTURED HIGH-STRENGTH PERMANENT MAGNETS