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H01F41/026
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ELECTRICITY
H01
Electric elements
H01F
MAGNETS INDUCTANCES TRANSFORMERS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
H01F41/00
Apparatus 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
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H01F41/026
protecting methods against environmental influences
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Patents Grants
last 30 patents
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Patent Grant
Net shape processing of permanent magnet by field assisted sintering
Patent number
12,334,255
Issue date
Jun 17, 2025
Ford Global Technologies, LLC
Wanfeng Li
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Coil component
Patent number
12,334,241
Issue date
Jun 17, 2025
Taiyo Yuden Co., Ltd.
Takanori Yoshizawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-strength R-T-B rare earth permanent magnet and preparation met...
Patent number
12,322,533
Issue date
Jun 3, 2025
ZHEJIANG INNUOVO MAGNETICS CO., LTD.
Biao Chen
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Rare earth magnet and production method thereof
Patent number
12,322,542
Issue date
Jun 3, 2025
Toyota Jidosha Kabushiki Kaisha
Masaaki Ito
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Methods of manufacturing permanent magnets by additive manufacturing
Patent number
12,308,163
Issue date
May 20, 2025
Jean-Michel Lamarre
B22 - CASTING POWDER METALLURGY
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Patent Grant
NdFeB permanent magnet with high coercivity and high resistivity an...
Patent number
12,293,868
Issue date
May 6, 2025
Changjiang Yan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Manufacturing method for anisotropic bonded magnet
Patent number
12,293,869
Issue date
May 6, 2025
Taiyuan Kalyuan Intelligent Equipment Co., Ltd.
Yongan Dong
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for preparing anisotropic flake nanocrystalline rare earth p...
Patent number
12,278,044
Issue date
Apr 15, 2025
Sichuan University
Ying Liu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Rare earth permanent magnet material, raw material composition, pre...
Patent number
12,272,472
Issue date
Apr 8, 2025
FUJIAN GOLDEN DRAGON RARE- EARTH Co., Ltd.
Zongbo Liao
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Additive manufacturing of permanent magnets with post processing
Patent number
12,237,105
Issue date
Feb 25, 2025
Ford Global Technologies, LLC
Wanfeng Li
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Soft bistable magnetic actuator and fabrication method thereof, fat...
Patent number
12,217,909
Issue date
Feb 4, 2025
City University of Hong Kong Matter Science Research Institute (Futian)
Jian Lu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Rare-earth magnet and method of manufacturing the same
Patent number
12,217,907
Issue date
Feb 4, 2025
Toyota Jidosha Kabushiki Kaisha
Masaaki Ito
B22 - CASTING POWDER METALLURGY
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
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
Method for improving corrosion resistance of high abundance rare ea...
Patent number
12,159,748
Issue date
Dec 3, 2024
Zhejiang University
Mi Yan
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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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
Rare earth magnet and preparation method thereof
Patent number
12,131,850
Issue date
Oct 29, 2024
SANVAC (BEIJING) MAGNETICS CO., LTD.
Guoan Chen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for producing sintered magnet and sintered magnet
Patent number
12,119,150
Issue date
Oct 15, 2024
LG Chem, Ltd.
Nakheon Sung
B22 - CASTING POWDER METALLURGY
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Patent Grant
Method for improving corrosion resistance of neodymium-iron-boron m...
Patent number
12,112,884
Issue date
Oct 8, 2024
Zhejiang University
Mi Yan
C21 - METALLURGY OF IRON
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Patent Grant
Magnetic shielding sheet and manufacturing method therefor
Patent number
12,112,882
Issue date
Oct 8, 2024
AMOSENSE CO., LTD.
Kil Jae Jang
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Non-directional free electron generating repelling magnet combination
Patent number
12,094,647
Issue date
Sep 17, 2024
Hirofusa Otsubo
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Magnet manufacturing device
Patent number
12,080,477
Issue date
Sep 3, 2024
Denso Corporation
Tomonori Fujinaka
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Bond magnet and manufacturing method of the same
Patent number
12,073,993
Issue date
Aug 27, 2024
Denso Corporation
Tomonori Fujinaka
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Method for forming coating film on rare earth magnet surface, and r...
Patent number
12,064,983
Issue date
Aug 20, 2024
Shin-Etsu Chemical Co., Ltd.
Yuta Kuribara
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
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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
Extrusion die for hot-deformed magnet and method for manufacturing...
Patent number
12,057,262
Issue date
Aug 6, 2024
TDK Corporation
Kenichi Suzuki
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of producing SmFeN-based rare earth magnet
Patent number
12,027,306
Issue date
Jul 2, 2024
Nichia Corporation
Hisashi Maehara
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Methods for tailoring magnetism, and structures obtained therefrom
Patent number
12,027,293
Issue date
Jul 2, 2024
HRL Laboratories, LLC
Brennan Yahata
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
Corrosion-inhibiting protection for watch magnets, in particular ne...
Patent number
12,012,651
Issue date
Jun 18, 2024
Comadur S.A.
Alexandra Amherd-Hidalgo
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR MANUFACTURING MAGNET UNIT AND MAGNET UNIT
Publication number
20250210238
Publication date
Jun 26, 2025
Nichia Corporation.
Daizo KIBA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HIGH-DENSITY LOW-LOSS RARE-EARTH PERMANENT MAGNETIC POWDER, HIGH-DE...
Publication number
20250210236
Publication date
Jun 26, 2025
MATERIALS TECHNOLOGY CO., LTD.
Benpei CHENG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
A magnetic elastomer and method of preparing the same
Publication number
20250201456
Publication date
Jun 19, 2025
Ningxia Magvalley Noval Materials Technology Co., Ltd.
Xinan WANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ADDITIVE FOR BONDED MAGNET AND METHOD FOR MANUFACTURING COMPOUND FO...
Publication number
20250179291
Publication date
Jun 5, 2025
Nichia Corporation.
Satoshi YAMANAKA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ADDITIVE MANUFACTURING OF PERMANENT MAGNETS WITH POST PROCESSING
Publication number
20250174396
Publication date
May 29, 2025
FORD GLOBAL TECHNOLOGIES, L.L.C.
Wanfeng Li
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POWDER DISTRIBUTING DEVICE FOR PREPARING SHEET-SHAPED MAGNETS AND P...
Publication number
20250161990
Publication date
May 22, 2025
AAC Kaitai Technologies (Ma'anshan) Co., Ltd.
Mingbo Wang
B22 - CASTING POWDER METALLURGY
Information
Patent Application
SOFT BISTABLE MAGNETIC ACTUATOR, FATIGUE TESTING DEVICE AND AUTO UN...
Publication number
20250157712
Publication date
May 15, 2025
City University of Hong Kong Matter Science Research Institute (Futian)
Jian LU
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHOD FOR PREPARING HIGH COERCIVITY GRAIN BOUNDARY DIFFUSION NEODY...
Publication number
20250157729
Publication date
May 15, 2025
China University of Metrology
Qiong Wu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR PRODUCING A MULTILAYERED MAGNET
Publication number
20250157728
Publication date
May 15, 2025
SIEMENS AKTIENGESELLSCHAFT
REINER SEUFERT
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
MAGNETS COMPRISING A COATING INCLUDING AN ALUMINUM LAYER
Publication number
20250146160
Publication date
May 8, 2025
Xtalic Corporation
Samuel R. Cross
H01 - BASIC ELECTRIC ELEMENTS
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Patent Application
FEEDSTOCK FOR PREPARING NdFeB FLEXIBLE MAGNET, AND NdFeB FLEXIBLE M...
Publication number
20250149213
Publication date
May 8, 2025
BEIJING ZHONG KE SAN HUAN HI-TECH CO., LTD.
Shulei CHEN
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD FOR FORMING MAGNETIC ELEMENT, MAGNETIC ELEMENT AND TRANSFORMER
Publication number
20250149232
Publication date
May 8, 2025
DELTA ELECTRONICS (SHANGHAI) CO.,LTD.
Pengyao WEI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR PRODUCING RARE EARTH MAGNET AND RARE EARTH MAGNET
Publication number
20250125089
Publication date
Apr 17, 2025
Toyota Jidosha Kabushiki Kaisha
Masaaki ITO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Modified Sintered Neodymium-iron-boron Permanent Magnetic Material...
Publication number
20250118465
Publication date
Apr 10, 2025
ZHEJIANG DONGYANG DMEGC RARE EARTH MAGNET CO., LTD
Xiaoxin AN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RARE-EARTH BONDED MAGNET COMPOUND AND METHOD FOR PRODUCING RARE-EAR...
Publication number
20250118466
Publication date
Apr 10, 2025
DAIDO STEEL CO., LTD.
Teruki USUDA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
HIGH-COERCIVITY NEODYMIUM-CERIUM-IRON-BORON PERMANENT MAGNET AS WEL...
Publication number
20250095915
Publication date
Mar 20, 2025
YANTAI ZHENGHAI MAGNETIC MATERIAL CO., LTD.
Yongjiang YU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRIC PRESS WITH DISC STACKING
Publication number
20250095913
Publication date
Mar 20, 2025
Baiqida Intelligent Technology (Ningbo) Co., Ltd.
Niansheng ZHOU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FEEDSTOCK AND HETEROGENEOUS STRUCTURES FOR TOUGH RARE EARTH PERMANE...
Publication number
20250095914
Publication date
Mar 20, 2025
Iowa State University Research Foundation, Inc.
Jun Cui
B22 - CASTING POWDER METALLURGY
Information
Patent Application
RARE-EARTH COBALT PERMANENT MAGNET, METHOD FOR MANUFACTURING RARE-E...
Publication number
20250075297
Publication date
Mar 6, 2025
TOKIN CORPORATION
Hiroaki MACHIDA
B22 - CASTING POWDER METALLURGY
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Patent Application
METHOD FOR PRODUCING MAGNETIC PARTICLES, MAGNETIC PARTICLES, AND PE...
Publication number
20250065403
Publication date
Feb 27, 2025
AGC Inc.
Yasunari ISHIKAWA
B22 - CASTING POWDER METALLURGY
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Patent Application
PERMANENT MAGNET MANUFACTURING METHOD AND PERMANENT MAGNET
Publication number
20250062067
Publication date
Feb 20, 2025
MINEBEA MITSUMI INC.
Yu OKAWARA
B22 - CASTING POWDER METALLURGY
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Patent Application
METHOD FOR PRODUCING RARE EARTH IRON-BASED SINTERED MAGNET, APPARAT...
Publication number
20250037933
Publication date
Jan 30, 2025
MINEBEA MITSUMI INC.
Yu OKAWARA
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
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Patent Application
CYLINDRICAL BONDED MAGNET, METHOD OF PRODUCING CYLINDRICAL BONDED M...
Publication number
20250010369
Publication date
Jan 9, 2025
Nichia Corporation.
Rie YOSHIDA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD FOR MANUFACTURING Mn-Bi BASED SINTERED MAGNET, AND Mn-Bi BAS...
Publication number
20240412904
Publication date
Dec 12, 2024
Korea Institute Of Materials Science
Chul Jin CHOI
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Castable Ce-Based Magnets and Casting Methods
Publication number
20240379264
Publication date
Nov 14, 2024
Iowa State University Research Foundation, Inc.
Andriy Palasyuk
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR FORMING COATING FILM ON RARE EARTH MAGNET SURFACE, AND R...
Publication number
20240367451
Publication date
Nov 7, 2024
Shin-Etsu Chemical Co., Ltd.
Yuta Kuribara
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
SINTERED RARE-EARTH MAGNET AND METHOD OF MANUFACTURE
Publication number
20240355513
Publication date
Oct 24, 2024
Shin-Etsu Chemical Co., Ltd.
Koichi HIROTA
H01 - BASIC ELECTRIC ELEMENTS
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Patent Application
COATED MAGNETIC MATERIAL AND METHOD OF PRODUCING COATED MAGNETIC MA...
Publication number
20240344203
Publication date
Oct 17, 2024
Nichia Corporation.
Satoshi ABE
B22 - CASTING POWDER METALLURGY
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Patent Application
METHOD FOR MANUFACTURING Mn-Bi-BASED RESIN MAGNET, AND Mn-Bi-BASED...
Publication number
20240347241
Publication date
Oct 17, 2024
Korea Institute Of Materials Science
Chul Jin CHOI
B22 - CASTING POWDER METALLURGY