H01F 1/055

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Class  H01F : MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES


Subclass 1/055: Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties (thin magnetic films characterised by their composition H01F 10/1) of inorganic materials (H01F 1/44 takes precedence) characterised by their coercivity of hard-magnetic materials metals or alloys Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
12205762 Feedstock and heterogeneous structure for tough rare earth permanent magnets and production thereforOct 15, 18Jan 21, 25Iowa State University Research Foundation, Inc.
12148554 Bonded magnet and method of preparing the sameSep 27, 19Nov 19, 24Nichia Corporation
12142403 Anisotropic bonded magnet and preparation method thereofMay 26, 21Nov 12, 24GRIREM HI-TECH CO., LTD.; GRIREM ADVANCED MATERIALS CO., LTD; Grirem (Rongcheng) Co., Ltd.;
12129382 Effect pigment, production method, value document and printing inkNov 20, 20Oct 29, 24GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH
12121963 Metastable single-crystal rare earth magnet fine powder and method for producing sameMar 13, 20Oct 22, 24Japan as represented by Director General of National Institute of Advanced Industrial Science and Technology Ministry of Economy Trade and Industry
12080478 Gradient Nd—Fe—B magnet and a method of productionJul 01, 19Sep 03, 24YANTAI SHOUGANG MAGNETIC MATERIALS INC.
12046398 Method for producing a permanent or soft magnetDec 12, 19Jul 23, 24L'Institut National des Sciences Appliquées (INSA); Universite Paul Sabatier Toulouse III; Centre National De La Recherche Scientifique (CNRS);
12046399 Reduction of cracks in additively manufactured Nd—Fe—B magnetJan 27, 22Jul 23, 24Ford Global Technologies, LLC
12027293 Methods for tailoring magnetism, and structures obtained therefromJun 14, 23Jul 02, 24HRL Laboratories, LLC
12027294 Method of producing SmFeN-based rare earth magnetSep 27, 22Jul 02, 24Nichia Corporation; 501 Toyota Jidosha Kabushiki Kaisha;
12027306 Method of producing SmFeN-based rare earth magnetJun 10, 22Jul 02, 24Nichia Corporation; 501 Toyota Jidosha Kabushiki Kaisha;
12006587 Highly magnetically permeable alloy deposition method for magnetic sensorsFeb 19, 21Jun 11, 24Not available
11990259 Rare earth-iron-nitrogen-based magnetic powder, compound for bonded magnet, bonded magnet, and method for producing rare earth-iron-nitrogen-based magnetic powderMar 31, 21May 21, 24Japan as Represented by President of Tohoku University; Sumitomo Metal Mining Co. Ltd.;
11984243 High performance magnetsMar 03, 22May 14, 24UT-BATTELLE, LLC; Iowa State University Research Foundation, Inc.;
11967454 Intravascular blood pump comprising corrosion resistant permanent magnetJul 26, 21Apr 23, 24ABIOMED EUROPE GMBH
11948733 Processing of anisotropic permanent magnet without magnetic fieldJan 17, 20Apr 02, 24Ford Global Technologies LLC
11945033 Method for heat treating an object containing at least one rare-earth element with a high vapor pressureMar 31, 22Apr 02, 24Vacuumschmelze GmbH & Co. KG
11870300 Pressed powder material and rotating electric machineAug 26, 20Jan 09, 24KABUSHIKI KAISHA TOSHIBA
11862369 Permanent magnets with tailored texture and magnetic orientationJun 26, 21Jan 02, 24HRL Laboratories, LLC
11837391 Sintered R2M17 magnet and method of fabricating a R2M17 magnetJul 26, 22Dec 05, 23Vacuumschmelze GmbH & Co. KG

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2025/0095,914 FEEDSTOCK AND HETEROGENEOUS STRUCTURES FOR TOUGH RARE EARTH PERMANENT MAGNETS AND PRODUCTION PROCESS THEREFORDec 04, 24Mar 20, 25Not available
2025/0087,394 NEODYMIUM-IRON-BORON MAGNET MATERIAL AND PREPARATION METHOD THEREFOR AND APPLICATION THEREONov 04, 22Mar 13, 25Not available
2025/0075,297 RARE-EARTH COBALT PERMANENT MAGNET, METHOD FOR MANUFACTURING RARE-EARTH COBALT PERMANENT MAGNET, AND DEVICEAug 14, 24Mar 06, 25Not available
2025/0037,910 BONDED MAGNET AND METHOD OF PREPARING THE SAMEOct 15, 24Jan 30, 25Nichia Corporation
2025/0014,791 METHOD OF PRODUCING MAGNETIC POWDER, MAGNETIC MATERIAL FOR MAGNETIC FIELD AMPLIFICATION, AND MAGNETIC MATERIAL FOR HYPER-HIGH FREQUENCY ABSORPTIONNov 09, 22Jan 09, 25Nichia Corporation
2024/0412,902 REDUCED CRITICAL CERIUM-BASED HIGH TEMPERATURE MAGNETApr 19, 24Dec 12, 24Not available
2024/0379,263 Castable Ce-Based MagnetsMay 07, 24Nov 14, 24Not available
2024/0379,264 Castable Ce-Based Magnets and Casting MethodsMay 09, 24Nov 14, 24Not available
2024/0347,270 INTRAVASCULAR BLOOD PUMP COMPRISING CORROSION RESISTANT PERMANENT MAGNETMar 20, 24Oct 17, 24ABIOMED EUROPE GMBH
2024/0304,365 IRON-CHROMIUM-COBALT ALLOY MAGNET AND METHOD FOR PRODUCING SAMEFeb 10, 22Sep 12, 24PROTERIAL, LTD.
2024/0261,856 METHOD FOR HEAT TREATING AN OBJECT CONTAINING AT LEAST ONE RARE-EARTH ELEMENT WITH A HIGH VAPOR PRESSUREMar 26, 24Aug 08, 24Not available
2024/0266,095 RARE-EARTH MAGNET MATERIAL AND MAGNETMar 05, 24Aug 08, 24Not available
2024/0249,877 PROCESSING OF ANISOTROPIC PERMANENT MAGNET WITHOUT MAGNETIC FIELDFeb 29, 24Jul 25, 24Not available
2024/0210,468 MAGNETICALLY RETAINED REPLACEABLE CONTACT PLATE FOR SEMICONDUCTOR HANDLEROct 11, 23Jun 27, 24Not available
2024/0212,898 GRADIENT RING-SHAPED BONDED MAGNET AND PREPARATION METHOD THEREFOR, AND MOTOROct 13, 23Jun 27, 24GRIREM HI-TECH CO., LTD.; GRIREM ADVANCED MATERIALS CO., LTD;
2024/0145,135 METHOD FOR PRODUCING A RAW MAGNETDec 22, 21May 02, 24Not available
2024/0112,838 METHOD OF PRODUCING PHOSPHATE-COATED SmFeN-BASED ANISOTROPIC MAGNETIC POWDERSep 29, 23Apr 04, 24Nichia Corporation
2024/0087,780 PERMANENT MAGNETS WITH TAILORED TEXTURE AND MAGNETIC ORIENTATIONNov 15, 23Mar 14, 24Not available
2024/0062,936 METHOD OF PRODUCING RARE EARTH MAGNETIC POWDER AND RARE EARTH MAGNETIC POWDERAug 11, 23Feb 22, 24Nichia Corporation; c/o TOYOTA JIDOSHA KABUSHIKI KAISHA;
2024/0055,165 IRON-BASED NANOPARTICLES AND GRAINSOct 26, 23Feb 15, 24Not available

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Patents Issued To Date - By Filing Year

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