obtained by reduction or by hydrogen decrepitation or embrittlement

Industry

CPC
H01F1/0573

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Parent Industries

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

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 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...
Information Patent Application
Continuous hydrogen pulverization method and production device of r...
- Publication number 20140123811
- Publication date May 8, 2014
- SHENYANG GENERAL MAGNETIC CO., LTD
- Xiaodong Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RARE EARTH SINTERED MAGNET AND MAKING METHOD
- Publication number 20140105779
- Publication date Apr 17, 2014
- Shin-Etsu Chemical Co., Ltd.
- Hajime Nakamura
- 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 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

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

RARE EARTH SINTERED MAGNET AND MAKING METHOD