Patents
Patents for H01F 1 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties (23,146)
06/2002
06/05/2002EP1211699A2 Magnetic core having magnetically biasing bond magnet and inductance part using the same
06/05/2002EP1211698A1 Organic-inorganic composite magnetic material and method for preparing the same
06/05/2002EP1211331A1 A Fe-Cr soft magnetic material and a method of manufacturing thereof
06/05/2002EP0915836B1 Materials with ferromagnetic properties comprising organic molecules with magnetic properties, and methods for making same
06/05/2002CN1086003C Amorphous Fe-B-Si-C alloys having soft magnetic characteris useful in low frequency
06/05/2002CN1085954C Manufacture of raw material powder for permannet magnet with good forming ability
06/04/2002US6399150 Rare earth metal-based permanent magnet, and process for producing the same
06/04/2002US6399146 Method of applying a corrosion-resistant coating
05/2002
05/30/2002WO2002043460A1 Radio wave absorber
05/30/2002WO2002043459A1 Radio-wave absorber
05/30/2002WO2002042074A1 Magnetic substrates, composition and method for making the same
05/30/2002US20020065349 Magneto-resistive CrO2 polymer composite blend
05/30/2002US20020064891 Coating with a diblock copolymer film, heating to form mesa and valley regions of two momers
05/30/2002US20020064686 Magnetic recording medium
05/30/2002US20020063233 Magnetic properties and can be used at higher temperatures
05/30/2002US20020062885 For producing articles use in solenoids, fuel injectors, switched reluctance motors, magnetic bearings, fly wheels, and sensors
05/30/2002US20020062884 Magnetic properties; efficiency
05/30/2002CA2680699A1 Magnetic substrates, composition and method for making the same
05/29/2002EP1209702A1 Plastic-bonded permanent magnet and method of manufacturing thereof
05/29/2002EP1209136A1 Production process of recycled Mn-Zn ferrite
05/29/2002EP1209135A1 Production process of recycled Mn-Zn ferrite
05/29/2002EP1208166A1 Coating composition for forming insulating films, non-oriented electrical steel sheet with the coating composition coated thereon, and method for forming the insulating films on the steel sheet
05/29/2002DE10157433A1 Process for cutting a rare earth metal alloy used in the production of rare earth metal magnets comprises using a wire with abrasive grains to cut the alloy in such a way that one section of the alloy is immersed in water
05/29/2002CN1351637A Coating composition for forming insulating films, non-oriented electrical steel sheet with the coating composition coated thereon, and method for forming the insulating films on the steel sheet
05/29/2002CN1351358A Magnetic material and inducer
05/29/2002CN1085565C Electromagnetic steel sheet having an electrically insulating coating with superior weldability
05/28/2002US6395193 Magnetorheological compositions
05/28/2002US6395104 Method of producing unidirectional electromagnetic steel sheet having excellent film characteristics and magnetic characteristics
05/23/2002WO2002041469A1 Power generator, electronic apparatus comprising it, and method for setting plate thickness of magnetic circuit in electronically controlled timepiece, and in power generator
05/23/2002WO2002041330A1 Magnetizable or magnetized body and method for producing the same
05/23/2002US20020060305 60-90% polyvinylpyrrolidone, 10-40% chromium -iron, -cobalt or -nickel magneto-resistive alloys, and 5-30% conducting carbon
05/23/2002US20020059965 Manufacturing method of an anisotropic magnet powder, precursory anisotropic magnet powder and bonded magnet
05/22/2002EP1207537A1 Nanocomposite magnet and method for producing same
05/22/2002EP1016096A4 Active element for magnetomechanical eas marker incorporating particles of bias material
05/22/2002EP0906963B1 Bidirectional electromagnetic steel plate and method of manufacturing the same
05/22/2002CN1350307A High-performance low-sintered HF laminated inductor material and its prepn
05/22/2002CN1349862A Production method of unidirectional electromagnetic steel plate with high magnetic intensity
05/21/2002US6391382 Mixing magnet powder such as neodymium-iron-boron system quenched alloy and an organic solvent solution of a thermal polymerizing resin in wet process, solvent removal-pulverizing sorting into adequate particle size, strong comprssion
05/21/2002US6391222 NiMnZn based ferrite
05/21/2002US6390443 Composite magnetic member, process for producing the member and electromagnetic valve using the member
05/16/2002WO2002039465A1 Nanocomposite magnet and method for producing same
05/16/2002WO2002018078A8 Centrifugal casting method, centrifugal casting apparatus, and cast alloy produced by same
05/16/2002US20020058148 Magnetic device and solid-state magnetic memory
05/16/2002US20020057982 RE-Fe-B alloy; oxygen content of 50-4000 wt. ppm; nitrogen content of 150-1500 wt. ppm; impregnated with an oil agent and then sintered.
05/16/2002US20020056185 Residuum rare earth magnet
05/15/2002EP1205949A2 Weather-resistant magnet powder and magnet produced by using the same
05/15/2002EP1205735A1 Magnetic encoder and method of manufacturing same
05/15/2002EP0897569B1 Magnetic particles, substrate comprising such particles, security document and method for detecting such particles
05/15/2002CN1349230A High weathing magnet powder prepn. method and products therefrom
05/14/2002US6387522 Applying film tension
05/14/2002US6387294 Rare earth resin magnet, magnet rotor, magnet motor using the same, and its manufacturing method
05/14/2002US6387293 Adding fluorine-based resin powder as lubricant; excellent molding properties; avoids reduction of mechanical strength
05/14/2002US6386269 Residual magnetic flux density magnetic circuits can be made smaller and thinner
05/09/2002US20020055019 Enables servo write with high accuracy and recording in higher density
05/09/2002US20020055009 Application and production of a magnetic product
05/09/2002US20020054825 Strip-cast alloy ingot
05/09/2002US20020054824 Pulverizing coarse rare earth magnet alloy powder, adding to oil, then adding lubricant preparing slurry, molding, degreasing, sintering, then heat treating
05/09/2002US20020053967 Inductor and manufacturing method thereof
05/09/2002US20020053654 Magnetic core for xDSL modem transformer and its composition
05/09/2002US20020053372 Ribbon formed by melt spinning using a cooling roll having a circumferential surface on which dimple correcting means is provided
05/08/2002EP1203785A1 Electromagnetic wave absorbing silicone rubber compositions
05/08/2002EP1202933A1 Method for making m-type hexaferrite powders or wafers
05/08/2002CN2490528Y Neodymium ferroboron rare earth permanent-magnetic alloy vacuum fritting furnace
05/08/2002CN1347801A Powder filling apparatus, pressing forming device with the same powder filling apparatus, powder filling method and sintered magnet producing method
05/08/2002CN1084522C Current transformer in particular for a fault currrent tripping device sensitive to pulsating currents and tripping device equiped with the same transformer
05/08/2002CN1084311C Ceramic composition for absorbing electromagnetic wave and its producing process
05/07/2002US6383626 Ferrite includes oxides of iron, zinc, copper, bismuth, and/or nickel; regions free of copper oxide; silicon substrate; accuracy; bonding strength
05/07/2002US6383407 Bonded magnet, magnet roll, a ferrite powder used therefor and method for producing same
05/07/2002US6383406 Method for preparing high cure temperature rare earth iron compound magnetic material
05/02/2002WO2002035715A2 Polymer-, organic-, and molecular-based spintronic devices
05/02/2002WO2002035696A1 PHOTOTHERMAL MAGNETIC DRIVE DEVICE DRIVING METHOD, POTOTHERMAL MAGNETIC DRIVE DEVICE AND PRODUCTION METHOD FOR Ni BASED ALLOY WITH LOW-TEMPERATURE CURIE TEMPERATURE USING THIS
05/02/2002WO2002034965A1 Magnesium oxide particle aggregate
05/02/2002US20020051883 Processing and manufacturing methods enabled using non-stoichiometric nanomaterials
05/02/2002US20020051726 Impactor and vibration mechanism are separated to reduce whirling of rare-earth alloy powder; crack resistance
05/02/2002US20020050906 Microcomponent of the microinductor or microtransformer type
05/02/2002US20020050895 Magnetic apparatus for MRI
05/02/2002US20020050309 Y-type hexagonal oxide magnetic material and inductor element
05/02/2002US20020050306 Rare earth metal-based permanent magent, and process for producing the same
05/02/2002EP1201621A1 Magnetic ferrite material and inductor
05/01/2002CN1347125A Rare earth magnet and mfg. method thereof
05/01/2002CN1347124A Composite permanent-magnet rare-earth-Fe alloy nano powder and its preparing process
05/01/2002CN1347123A Rare earth sintered magnet and its manufacture method
05/01/2002CN1346900A Powder sinter process for preparing permanent-magnet Al-Ni-Co-Ti alloy
05/01/2002CN1346899A Fe-Ni permalloy, method for mfg same and casting brank
05/01/2002CN1083895C Grain-oriented electrical steel sheet having excellent magnetic characteristics, its mfg. method and its mfg. device
04/2002
04/30/2002US6379579 Method for the preparation of soft magnetic ferrite powder and method for the production of laminated chip inductor
04/25/2002WO2002033002A1 Composition for synthetic resin composition and formed resin magnet
04/25/2002US20020047752 Nonreciprocal circuit device and communication device
04/25/2002US20020047498 Linear motor
04/25/2002US20020046782 Soft magnetism alloy powder, treating method thereof, soft magnetism alloy formed body, and production method thereof
04/24/2002EP1199752A1 Multiple composite one-dimensional structural body and functional material
04/24/2002EP1199729A1 Flexible, moldable bonded magnet and process for producing same
04/24/2002EP1198803A2 Aqueous magnetorheological materials
04/24/2002EP1080475B1 Inductive textile and use of such a textile in inductive devices
04/24/2002CN1346498A Magnetic materials
04/24/2002CN1346135A Ultratvide frequency band metal organic compound magnetic material and ultrawide frequency band organic magnetic base material using same as base material
04/24/2002CN1083684C 印刷电路板 A printed circuit board
04/24/2002CN1083473C Process for preparing agglomerate-free nanoscalar iron oxide particles with hydrolysis-resistant coating
04/23/2002USRE37666 Iron-based permanent magnets and their fabrication as well as iron-based permanent magnet alloy powders for permanent bonded magnets and iron-based bonded magnets
04/23/2002US6377049 Removing extraneous elements from rare earth ore to leave elements ce, pr, and nd therein; selectively stripping from said ore a portion of said element nd; alloying said residuum with a transition metal; forming alloy into mixed re magnet