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pressed, sintered or bonded together
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H01F1/0575
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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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H01F1/0575
pressed, sintered or bonded together
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Patents Grants
last 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
Grain boundary diffusion method of R-Fe-B series rare earth sintere...
Patent number
11,501,914
Issue date
Nov 15, 2022
Fujian Changting Golden Dragon Rare-Earth Co., Ltd
Yulin Lin
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Spraying device and use thereof
Patent number
9,889,474
Issue date
Feb 13, 2018
Tianhe (Baotou) Advanced Tech Magnet Co., Ltd.
Juchang Miao
B08 - CLEANING
Information
Patent Grant
Magnetic body
Patent number
8,981,888
Issue date
Mar 17, 2015
TDK Corporation
Kenichi Suzuki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Centrifugal casting method, centrifugal casting apparatus, and cast...
Patent number
7,264,683
Issue date
Sep 4, 2007
Showa Denko K.K.
Hiroshi Hasegawa
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Permanent magnets and R-TM-B based permanent magnets
Patent number
7,025,837
Issue date
Apr 11, 2006
Sumitomo Special Metals Co., Ltd.
Ken Makita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Rare earth magnet, process for producing same, and motor using rare...
Patent number
6,984,271
Issue date
Jan 10, 2006
Nissan Motor Co., Ltd.
Tetsurou Tayu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Permanent magnets and R-TM-B based permanent magnets
Patent number
6,821,357
Issue date
Nov 23, 2004
Sumitomo Special Metals Co., Ltd.
Ken Makita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Centrifugal casting method, centrifugal casting apparatus, and cast...
Patent number
6,797,081
Issue date
Sep 28, 2004
Showa Denko K.K.
Hiroshi Hasegawa
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Permanent magnets and R-TM-B based permanent magnets
Patent number
6,511,552
Issue date
Jan 28, 2003
Sumitomo Special Metals Co., Ltd.
Ken Makita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing laminated permanent magnet
Patent number
6,287,391
Issue date
Sep 11, 2001
Sumitomo Special Metals Co., Ltd.
Hirokazu Kanekiyo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Rare-earth alloy powders for magnets and process for making magnets...
Patent number
6,136,100
Issue date
Oct 24, 2000
Magnequench International, Inc.
Viswanathan Panchanathan
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR MANUFACTURING RARE EARTH PERMANENT MAGNET
Publication number
20200395153
Publication date
Dec 17, 2020
Star Group Ind. Co., Ltd.
Dong Hwan KIM
B22 - CASTING POWDER METALLURGY
Information
Patent Application
GRAIN BOUNDARY DIFFUSION METHOD OF R-FE-B SERIES RARE EARTH SINTERE...
Publication number
20200027656
Publication date
Jan 23, 2020
Xiamen Tungsten Co., Ltd.
Yulin LIN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ND-FE-B PERMANENT MAGNET WITHOUT DYSPROSIUM, ROTOR ASSEMBLY, ELECTR...
Publication number
20140110948
Publication date
Apr 24, 2014
Silvio Semmer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
MAGNETIC BODY
Publication number
20130271249
Publication date
Oct 17, 2013
TDK CORPORATION
Kenichi Suzuki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
MOTOR, DESIGN METHOD AND MANUFACTURING METHOD OF MOTOR, STAGE DEVIC...
Publication number
20120299398
Publication date
Nov 29, 2012
Nikon Corporation
Shigeru MORIMOTO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MAGNETIC MATERIAL AND MOTOR USING THE SAME
Publication number
20110240909
Publication date
Oct 6, 2011
Hitachi, Ltd.
Takayuki KANDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Rare earth - iron - bron based magnet and method for production the...
Publication number
20070034299
Publication date
Feb 15, 2007
Japan Science and Technology Agency
Kenichi Machida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Centrifugal casting method, centrifugal casting apparatus, and cast...
Publication number
20050011588
Publication date
Jan 20, 2005
Showa Denko K.K.
Hiroshi Hasegawa
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Rare earth magnet, process for producing same, and motor using rare...
Publication number
20040187963
Publication date
Sep 30, 2004
Nissan Motor Co. Ltd.
Tetsurou Tayu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Permenant magnets and R-TM-B based permenant magnets
Publication number
20030172995
Publication date
Sep 18, 2003
Sumitomo Special Metals Co., Ltd.
Ken Makita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Permanent magnets and R-TM-B based permanent magnets
Publication number
20030136469
Publication date
Jul 24, 2003
Sumitomo Special Metals Co., Ltd.
Ken Makita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Centrifugal casting method, centrifugal casting apparatus, and cast...
Publication number
20020153062
Publication date
Oct 24, 2002
Hiroshi Hasegawa
B82 - NANO-TECHNOLOGY