H01F 1/053

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


Subclass 1/053: 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

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
12237105 Additive manufacturing of permanent magnets with post processingDec 10, 21Feb 25, 25Ford Global Technologies, LLC
12217909 Soft bistable magnetic actuator and fabrication method thereof, fatigue testing device and auto underwater vehicleMar 22, 22Feb 04, 25City University of Hong Kong Matter Science Research Institute (Futian)
12119170 Method for producing a magnetic powderDec 18, 20Oct 15, 24ABB Schweiz AG
12064983 Method for forming coating film on rare earth magnet surface, and rare earth magnetJun 28, 18Aug 20, 24Shin-Etsu Chemical Co., Ltd.
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);
12033794 Methods and systems for producing magnetic materialOct 22, 21Jul 09, 24NEO PERFORMANCE MATERIALS (SINGAPORE), PTE. LTD.
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.;
11951476 Electronic-sensing and magnetic-modulation (ESMM) biosensor for phagocytosis quantification in pathogenic infections and methods of use thereofNov 04, 21Apr 09, 24Rutgers, The State University of New Jersey
11936239 Bi-material permanent magnets for electric machinesDec 09, 20Mar 19, 24GM Global Technology Operations LLC
11919003 Loss-free liquids manipulation platformJan 18, 22Mar 05, 24The University of Hong Kong
11920224 Additive manufacture of anisotropic rare earth magnetsJan 10, 22Mar 05, 24Ford Global Technologies, LLC
11916501 Driving device, compressor, and air conditionerNov 21, 18Feb 27, 24Mitsubishi Electric Corporation
11894719 Permanent magnet of multiple pieces having different easy axesSep 10, 20Feb 06, 24Ford Global Technologies, LLC
11862372 Composition for bonded magnets and method of manufacturing the sameJan 28, 22Jan 02, 24Nichia Corporation
11848152 Coating materials for diffusing into magnet of NdFeB and a method of making itApr 01, 20Dec 19, 23NINGBO JINJI STRONG MAGNETIC MATERIAL CO., LTD.
11837391 Sintered R2M17 magnet and method of fabricating a R2M17 magnetJul 26, 22Dec 05, 23Vacuumschmelze GmbH & Co. KG
11830645 Permanent magnet with inter-grain heavy-rare-earth element, and method of producing sameJan 02, 20Nov 28, 23ABB Schweiz AG
11810713 Rare earth magnet precursor or rare earth magnet molded body having roughened structure on surface and method for manufacturing sameDec 24, 19Nov 07, 23DAICEL MIRAIZU LTD.
11798716 Rare earth sintered magnetOct 03, 19Oct 24, 23Shin-Etsu Chemical Co., Ltd.
11742120 Two-step diffusion method for preparing high-performance dual-main-phase sintered mischmetal-iron-boron magnetNov 05, 21Aug 29, 23Beijing University of Technology

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2025/0104,895 MIM MAGNETSSep 25, 24Mar 27, 25Apple Inc.
2024/0425,954 MISCH-METAL PERMANENT MAGNETIC MATERIAL AND METHOD FOR PREPARING THE SAME BASED ON SINTERING AND MULTI-STEP DIFFUSIONSep 05, 24Dec 26, 24Not available
2024/0376,290 RESIN COMPOSITION AND MOLDED ARTICLEJun 15, 22Nov 14, 24Not available
2024/0367,451 METHOD FOR FORMING COATING FILM ON RARE EARTH MAGNET SURFACE, AND RARE EARTH MAGNETJul 15, 24Nov 07, 24Shin-Etsu Chemical Co., Ltd.
2024/0355,513 SINTERED RARE-EARTH MAGNET AND METHOD OF MANUFACTUREMar 25, 24Oct 24, 24Shin-Etsu Chemical Co., Ltd.
2024/0344,203 COATED MAGNETIC MATERIAL AND METHOD OF PRODUCING COATED MAGNETIC MATERIALApr 12, 24Oct 17, 24Nichia Corporation
2024/0279,378 THERMOSETTING RESIN COMPOSITION CONTAINING MAGNETIC POWDERMay 26, 22Aug 22, 24TOYOBO MC CORPORATION
2024/0181,448 ELECTRONIC-SENSING & MAGNETIC-MODULATION (ESMM) BIOSENSOR FOR PHAGOCYTOSIS QUANTIFICATION IN PATHOGENIC INFECTIONS AND METHODS OF USE THEREOFFeb 12, 24Jun 06, 24Not available
2024/0145,135 METHOD FOR PRODUCING A RAW MAGNETDec 22, 21May 02, 24Not available
2024/0112,854 METHOD FOR RECYCLING RARE EARTH ELEMENT-CONTAINING POWDER, AND METHOD FOR PRODUCING RARE EARTH SINTERED MAGNETSep 28, 23Apr 04, 24PROTERIAL, LTD.
2024/0071,683 Permeating treatment Method for Radially Oriented Sintered Magnet, Magnet, and Composition for Magnet PermeationNov 03, 23Feb 29, 24Not available
2024/0062,954 COATING MATERIALS FOR DIFFUSING INTO MAGNET OF NdFeB AND A METHOD OF MAKING ITNov 01, 23Feb 22, 24Not available
2024/0047,103 R-T-B BASED PERMANENT MAGNETNov 10, 21Feb 08, 24501 TDK Corporation
2024/0013,961 COMPOSITE COMPONENT AND METHOD FOR PRODUCING SAMESep 28, 21Jan 11, 24Nichia Corporation
2023/0352,220 SINTERED RARE-EARTH MAGNET AND METHOD OF MANUFACTUREMar 28, 23Nov 02, 23Shin-Etsu Chemical Co., Ltd.
2023/0317,327 PRODUCTION METHOD OF RARE EARTH MAGNETMar 21, 23Oct 05, 23c/o TOYOTA JIDOSHA KABUSHIKI KAISHA
2023/0282,397 THERMALLY STABLE, CLADDED PERMANENT MAGNETS, AND COMPOSITIONS AND METHODS FOR MAKING THE SAMEFeb 24, 23Sep 07, 23Not available
2021/0366,635 RARE EARTH SINTERED MAGNET AND MAKING METHODApr 26, 21Nov 25, 21Shin-Etsu Chemical Co., Ltd.
2021/0287,832 COMPOSITE COMPONENT COMPRISING RING-SHAPED BONDED MAGNET AND METHOD OF MANUFACTURING THE SAMEJun 02, 21Sep 16, 21Nichia Corporation
2021/0012,934 SINTERED BODY FOR FORMING RARE-EARTH MAGNET, AND RARE-EARTH SINTERED MAGNETSep 17, 20Jan 14, 21Not available

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Patents Issued To Date - By Filing Year

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