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H01F1/0551
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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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H01F1/0551
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Patents Grants
last 30 patents
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
Bonded magnet and method of preparing the same
Patent number
12,148,554
Issue date
Nov 19, 2024
Nichia Corporation
Shuichi Tada
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
Effect pigment, production method, value document and printing ink
Patent number
12,129,382
Issue date
Oct 29, 2024
GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH
Michael Rahm
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Metastable single-crystal rare earth magnet fine powder and method...
Patent number
12,121,963
Issue date
Oct 22, 2024
National Institute of Advanced Industrial Science and Technology
Yusuke Hirayama
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for producing a permanent or soft magnet
Patent number
12,046,398
Issue date
Jul 23, 2024
INSTITUT NATIONAL DES SCIENCES APPLIQUÉES
Lise-Marie Lacroix
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Rare earth-iron-nitrogen-based magnetic powder, compound for bonded...
Patent number
11,990,259
Issue date
May 21, 2024
Tohoku University
Satoshi Sugimoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Iron-based nanoparticles and grains
Patent number
11,837,393
Issue date
Dec 5, 2023
Regents of The University of Minnesota
Jian-Ping Wang
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
Samarium cobalt and neodymium iron boride magnets and methods of ma...
Patent number
11,715,592
Issue date
Aug 1, 2023
Lawrence Livermore National Security, LLC
Sarah Baker
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Secondary particles for anisotropic magnetic powder
Patent number
11,685,654
Issue date
Jun 27, 2023
Nichia Corporation
Hisashi Maehara
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Permanent magnet, rotary electrical machine, and vehicle
Patent number
11,289,249
Issue date
Mar 29, 2022
Kabushiki Kaisha Toshiba
Naoyuki Sanada
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
L10-FeNi magnetic powder and bond magnet
Patent number
11,244,776
Issue date
Feb 8, 2022
Denso Corporation
Hiroaki Kura
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Permanent magnet and permanent magnet powder
Patent number
11,205,532
Issue date
Dec 21, 2021
TDK Corporation
Masashi Ito
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Secondary particles for anisotropic magnetic powder and method of p...
Patent number
11,167,987
Issue date
Nov 9, 2021
Nichia Corporation
Hisashi Maehara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Iron-based nanoparticles and grains
Patent number
11,161,175
Issue date
Nov 2, 2021
Regents of The University of Minnesota
Jian-Ping Wang
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
R-T-B based permanent magnet
Patent number
11,152,142
Issue date
Oct 19, 2021
TDK Corporation
Yuki Nagamine
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Flaky magnetic metal particles, pressed powder material, rotating e...
Patent number
10,937,576
Issue date
Mar 2, 2021
Kabushiki Kaisha Toshiba
Tomohiro Suetsuna
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Permanent magnet, motor, and generator
Patent number
10,923,254
Issue date
Feb 16, 2021
Kabushiki Kaisha Toshiba
Yosuke Horiuchi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Permanent magnet, motor, and generator
Patent number
10,770,208
Issue date
Sep 8, 2020
Kabushiki Kaisha Toshiba
Yosuke Horiuchi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Rare-earth magnet and method for manufacturing same
Patent number
10,748,684
Issue date
Aug 18, 2020
Toyota Jidosha Kabushiki Kaisha
Masaaki Ito
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Molding device, metal mold, method of manufacturing magnet roll and...
Patent number
10,698,344
Issue date
Jun 30, 2020
Hitachi Metals, Ltd.
Osamu Taniguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Sm-Fe-N magnet material and Sm-Fe-N bonded magnet
Patent number
10,658,095
Issue date
May 19, 2020
Daido Steel Co., Ltd.
Iwao Sakazaki
B22 - CASTING POWDER METALLURGY
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 core and coil component
Patent number
10,586,646
Issue date
Mar 10, 2020
Hitachi Metals, Ltd.
Toshio Mihara
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Rare-earth magnet and method for manufacturing same
Patent number
10,468,165
Issue date
Nov 5, 2019
Toyota Jidosha Kabushiki Kaisha
Masaaki Ito
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Rare-earth magnet and method for manufacturing same
Patent number
10,424,426
Issue date
Sep 24, 2019
Toyota Jidosha Kabushiki Kaisha
Masaaki Ito
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
R-T-B based sintered magnet and motor
Patent number
10,388,441
Issue date
Aug 20, 2019
TDK Corporation
Isao Kanada
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for manufacturing R-T-B based sintered magnet
Patent number
10,217,562
Issue date
Feb 26, 2019
Hitachi Metals, Ltd.
Ryouichi Yamagata
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Magnetic recording medium having a protective layer
Patent number
10,210,892
Issue date
Feb 19, 2019
Sony Corporation
Eiji Nakashio
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
RARE-EARTH MAGNET MATERIAL AND MAGNET
Publication number
20240266095
Publication date
Aug 8, 2024
Murata Manufacturing Co., Ltd.
Takashi YAMAZAKI
H01 - BASIC ELECTRIC ELEMENTS
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 PRODUCING PHOSPHATE-COATED SmFeN-BASED ANISOTROPIC MAGNET...
Publication number
20240112838
Publication date
Apr 4, 2024
Nichia Corporation.
Masahiro Abe
B22 - CASTING POWDER METALLURGY
Information
Patent Application
IRON-BASED NANOPARTICLES AND GRAINS
Publication number
20240055165
Publication date
Feb 15, 2024
Regents of the University of Minnesota
Jian-Ping WANG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
PERMANENT MAGNET AND ITS MANUFACTURING METHOD, AND DEVICE
Publication number
20240021349
Publication date
Jan 18, 2024
TOKIN CORPORATION
Hirokazu MAKUTA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
SAMARIUM COBALT AND NEODYMIUM IRON BORIDE MAGNETS AND METHODS OF MA...
Publication number
20240013975
Publication date
Jan 11, 2024
LAWRENCE LIVERMORE NATIONAL SECURITY, LLC
Sarah Baker
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PRODUCTION METHOD FOR PHOSPHATE-COATED SmFeN-BASED ANISOTROPIC MAGN...
Publication number
20230415227
Publication date
Dec 28, 2023
Nichia Corporation.
Masahiro Abe
B22 - CASTING POWDER METALLURGY
Information
Patent Application
COATED RARE EARTH-IRON-NITROGEN-BASED MAGNETIC POWDER, PRODUCTION M...
Publication number
20230386710
Publication date
Nov 30, 2023
Nichia Corporation.
Jun AKAMATSU
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD FOR MANUFACTURING MULTIPHASE MAGNET AND MULTIPHASE MAGNET MA...
Publication number
20230326672
Publication date
Oct 12, 2023
Jung Goo LEE
B22 - CASTING POWDER METALLURGY
Information
Patent Application
THERMALLY STABLE, CLADDED PERMANENT MAGNETS, AND COMPOSITIONS AND M...
Publication number
20230282398
Publication date
Sep 7, 2023
HRL LABORATORIES, LLC
Brennan YAHATA
B82 - NANO-TECHNOLOGY
Information
Patent Application
RARE EARTH-IRON-NITROGEN-BASED MAGNETIC POWDER, COMPOUND FOR BONDED...
Publication number
20230245807
Publication date
Aug 3, 2023
TOHOKU UNIVERSITY
Satoshi Sugimoto
B22 - CASTING POWDER METALLURGY
Information
Patent Application
PERMANENT MAGNET AND DEVICE
Publication number
20230095210
Publication date
Mar 30, 2023
TOKIN CORPORATION
Hiroaki MACHIDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HEAVY RARE EARTH ALLOY, NEODYMIUM-IRON-BORON PERMANENT MAGNET MATER...
Publication number
20230093094
Publication date
Mar 23, 2023
FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH CO., LTD
Zhipeng JIANG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
PERMANENT MAGNET AND METHOD FOR MANUFACTURING THE SAME
Publication number
20230019328
Publication date
Jan 19, 2023
TOKIN CORPORATION
Noriyoshi SUZUKI
B22 - CASTING POWDER METALLURGY
Information
Patent Application
IRON-BASED RARE EARTH BORON-BASED ISOTROPIC MAGNET ALLOY
Publication number
20220415548
Publication date
Dec 29, 2022
Murata Manufacturing Co., Ltd.
Hirokazu KANEKIYO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
RARE-EARTH HIGH ENTROPY ALLOYS AND TRANSITION METAL HIGH ENTROPY AL...
Publication number
20220411902
Publication date
Dec 29, 2022
NIARCHOS, Dimitrios
Dimitrios NIARCHOS
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
EFFECT PIGMENT, PRODUCTION METHOD, VALUE DOCUMENT AND PRINTING INK
Publication number
20220403177
Publication date
Dec 22, 2022
GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH
Michael RAHM
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
GRAIN BOUNDARY DIFFUSION METHOD FOR BULK RARE EARTH PERMANENT MAGNE...
Publication number
20220319773
Publication date
Oct 6, 2022
Zhejiang University
Jiaying JIN
B22 - CASTING POWDER METALLURGY
Information
Patent Application
RARE EARTH MAGNET AND METHOD FOR PRODUCING THEREOF
Publication number
20220130580
Publication date
Apr 28, 2022
Toyota Jidosha Kabushiki Kaisha
Noritsugu SAKUMA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
IRON-BASED NANOPARTICLES AND GRAINS
Publication number
20220080500
Publication date
Mar 17, 2022
Regents of the University of Minnesota
Jian-Ping WANG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD FOR PRODUCING A PERMANENT OR SOFT MAGNET
Publication number
20220059261
Publication date
Feb 24, 2022
INSTITUT NATIONAL DES SCIENCES APPLIQUÉES
Lise-Marie LACROIX
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Two-step diffusion method for preparing high-performance dual-main-...
Publication number
20220059262
Publication date
Feb 24, 2022
BEIJING UNIVERSITY OF TECHNOLOGY
Weiqiang Liu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SECONDARY PARTICLES FOR ANISOTROPIC MAGNETIC POWDER AND METHOD OF P...
Publication number
20220041447
Publication date
Feb 10, 2022
Nichia Corporation.
Hisashi MAEHARA
C01 - INORGANIC CHEMISTRY
Information
Patent Application
ANISOTROPIC BONDED MAGNET AND PREPARATION METHOD THEREOF
Publication number
20210375512
Publication date
Dec 2, 2021
GRIREM HI-TECH CO., LTD.
Yang LUO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BONDED MAGNET AND METHOD OF PREPARING THE SAME
Publication number
20200105445
Publication date
Apr 2, 2020
Nichia Corporation.
Shuichi TADA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SAMARIUM COBALT AND NEODYMIUM IRON BORIDE MAGNETS AND METHODS OF MA...
Publication number
20200075237
Publication date
Mar 5, 2020
LAWRENCE LIVERMORE NATIONAL SECURITY, LLC
Sarah Baker
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
L10-FeNi MAGNETIC POWDER AND BOND MAGNET
Publication number
20200066430
Publication date
Feb 27, 2020
DENSO CORPORATION
Hiroaki KURA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
IRON-BASED NANOPARTICLES AND GRAINS
Publication number
20200038951
Publication date
Feb 6, 2020
Regents of the University of Minnesota
Jian-Ping WANG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
FLAKY MAGNETIC METAL PARTICLES, PRESSED POWDER MATERIAL, ROTATING E...
Publication number
20200035391
Publication date
Jan 30, 2020
KABUSHIKI KAISHA TOSHIBA
Tomohiro Suetsuna
B22 - CASTING POWDER METALLURGY
Information
Patent Application
RARE-EARTH MAGNET AND METHOD FOR MANUFACTURING SAME
Publication number
20190362870
Publication date
Nov 28, 2019
Toyota Jidosha Kabushiki Kaisha
Masaaki ITO
B22 - CASTING POWDER METALLURGY