| Patents for H01F 1 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties (23,146) |
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| 04/15/2003 | US6548012 A non-coated ferromagnetic powder is mixed with a lubricant and compacted, after compaction the components are thermally treated at moderate temperature to burn out the lubricant |
| 04/15/2003 | US6547986 Magnetorheological grease composition |
| 04/15/2003 | US6547984 Mn-Zn ferrite and production process thereof |
| 04/15/2003 | US6547983 Durable magnetorheological fluid compositions |
| 04/15/2003 | US6546968 Compression molding; pressurization cycles |
| 04/10/2003 | US20030069376 Transparent paramagnetic polymer |
| 04/10/2003 | US20030068521 Steel plate and a hot dip galvanizing steel plate having superior electric and magnetic shielding property |
| 04/10/2003 | US20030068439 Transparent paramagnetic polymer |
| 04/10/2003 | US20030066388 Biaxially textured articles formed by powder metallurgy |
| 04/09/2003 | EP1299888A1 Nanostructures |
| 04/09/2003 | EP1299569A1 Ferritic stainless steel for ferromagnetic parts |
| 04/09/2003 | EP1183662B1 A method, a system, and a sensor for remote detection of objects, and a method for determining a length of a magnetic element |
| 04/09/2003 | EP1131828B1 Composite magnetic body and electromagnetic interference suppressing body using the same |
| 04/09/2003 | CN1409332A Quick-cooling thick neodymium-iron-boron alloy belt and its producing method |
| 04/09/2003 | CN1104984C Method for preparing powder of raw material for making permanent magnet |
| 04/08/2003 | US6545466 Magnetic powder for validity determining ink, manufacturing method for magnetic powder for validity determining ink, magnetic ink for validity determination, printing member for validity determination, detecting device for printing member for validity determination, and validity determination device |
| 04/08/2003 | US6545143 Binding nucleic acid to glass surface |
| 04/08/2003 | US6544673 Spindle-shaped magnetic metal particles containing iron as main component and processes for producing the same |
| 04/08/2003 | US6544352 Manufacturing a green compact useful as a material for a high frequency dust core; improving the mechanical properties, magnetic properties; high density and high strength |
| 04/03/2003 | US20030063492 Digital magnetic memory cell device |
| 04/03/2003 | US20030062851 Method and paste for joiningcut surfaces of ferrite cores for fluorescent lamps |
| 04/03/2003 | US20030062098 Preparation of bonded rare earth magnet-forming alloy and bonded rare earth magnet composition |
| 04/03/2003 | US20030062097 Nd-Fe-B type magnet alloy; serves as material for an anisotropic exchange spring magnet to be applied to a motor. |
| 04/02/2003 | EP1298091A1 Rare-earth oxide or sulfide of nano size and process for producing the same through photochemical reaction |
| 04/02/2003 | EP1297103A1 Solid-suspending systems |
| 04/02/2003 | EP1082733B1 Method for preparing a magnetic material by forging and magnetic material in powder form |
| 04/02/2003 | CN1407598A Method and paste for combining cut surface of ferrimagnet core for fluorescent light |
| 04/02/2003 | CN1104276C Polyvinyl alcohol-based magnetic polymer particles, method for their preparation and their use |
| 04/01/2003 | US6540811 Mixing a trivalent titanium compound and a complexing agent, in an aqueous solution with two or more metal ions, which deposit simultaneously; high purity and uniformity, small particle size; molding, electromagnetic shielding materials |
| 04/01/2003 | US6540088 Method and apparatus for sorting particles with electric and magnetic forces |
| 03/27/2003 | WO2003025068A1 Resin-magnet composition |
| 03/27/2003 | US20030059643 High strength steel plate having superior electric and magnetic shielding property, and method making the same |
| 03/27/2003 | US20030059608 Method for producing magnetic particle, magnetic particle and magnetic material |
| 03/27/2003 | US20030059604 Reduction of an organometallic compound in presense of a polymer |
| 03/27/2003 | US20030059603 In nonmagnetic matrix; pyrolysis, spraying, oxidation of an organometallic compound |
| 03/27/2003 | US20030059365 44-50 mol % iron oxide (50 mol % excluded), 4-26.5 mol % zinc oxide, and remainder manganese oxide; dielectric loss tan delta of </= .3 at 1 kHz, and a complex relative permittivity epsilon of </= 1,000 at 1 mhz |
| 03/27/2003 | US20030057395 Comprises mixture of 1-dodecene polyalphaolefin and a diester such as dioctyl sebacate (produces seal swelling and lowers the pour point); improved viscosity and low temperature flow, low volatility |
| 03/27/2003 | US20030056933 Method of manufacturing magnet material, ribbon-shaped magnet material, magnetic powder and bonded magnet |
| 03/27/2003 | US20030056858 Nickel alloy article having a magnetism less than pure Ni includes a rolled and annealed compacted and sintered preform with fine homogenous grain size; electromagnetic devices and electro-optical devices |
| 03/27/2003 | US20030056857 Rolled and annealed compacted and sintered powder-metallurgy preform article formed from a powder mixture of Ni; Al; and one of Cu, Cr, W, V, and Mo |
| 03/26/2003 | EP1296335A2 Base liquid for magnetorheological fluid |
| 03/26/2003 | EP1295658A1 Method and apparatus for producing magnetic rare earth alloy powder, method for producing bonded magnet, method for producing rare earth sintering magnet, and method and apparatus for improving purity of inert gas |
| 03/26/2003 | EP1295657A1 Method to form multi-material components |
| 03/26/2003 | EP0898778B1 Bonded magnet with low losses and easy saturation |
| 03/26/2003 | CN1405954A Iron-alloy band material for voice-coil motor magnetic circuit |
| 03/26/2003 | CN1405800A High magnetoconductivity low-temperature sintered medium-high frequency stacked chip inductive material and its preparation method |
| 03/26/2003 | CN1405799A High-frequency magenetic material and high-frequency circuit component using said material |
| 03/26/2003 | CN1104014C Process for production of magnet |
| 03/26/2003 | CN1103823C Method for annealing an amorphous alloy and method for manufacturing a marker |
| 03/26/2003 | CN1103683C Ferromagnetic powder for low core loss, well-bonded parts |
| 03/26/2003 | CN1103646C Decomposition treatment method for cohesive magnet |
| 03/25/2003 | USRE38042 Anisotropic magnetic powder and magnet thereof and method of producing same |
| 03/25/2003 | US6538546 Magnetic core for a non-contact displacement sensor |
| 03/25/2003 | US6537488 Process for handling powder green compacts and rare earth metal-based magnet |
| 03/25/2003 | US6537463 Useful for wide ranges of magnet applications. improved magnetizability and/or heat resistance |
| 03/25/2003 | US6537389 Soft magnetic, deformable composite material and process for producing the same |
| 03/25/2003 | US6537385 Rare earth magnet and method for manufacturing the same |
| 03/25/2003 | US6537345 Organic solvent and heating; powder binder |
| 03/25/2003 | US6536507 Ceramic surface layer |
| 03/20/2003 | WO2003023075A1 Method of producing (110)[001] grain oriented electrical steel using strip casting |
| 03/20/2003 | US20030052300 Mixing oxides, carbonates or hydroxides of main and substituted raw materials, roasting to form a clinker, wet grinding, concetrating and compresing the particles in an orientation magnetic field, shaping and sintering |
| 03/20/2003 | US20030052299 The sintered body containing, as main components, a cobalt oxide(CoO), copper oxide (CuO), iron oxide(Fe2o3) and an oxide selected from strontium or barium, also contains bismuth oxide (Bi2O3) as an additional component |
| 03/20/2003 | US20030052298 Planar hexagonal soft magnetic ferrite having molecular formula Ba3-xSrxCO2-y-z ZnyCuzMnwFe24-w-vO41 (mixed oxides of barium, strontium,cobalt, zinc, copper, manganese and iron) |
| 03/20/2003 | US20030051774 Magnetic material |
| 03/20/2003 | US20030051579 Biaxially textured articles formed by powder metallurgy |
| 03/20/2003 | US20030051578 Biaxially textured articles formed by powder metallurgy |
| 03/19/2003 | EP1293994A2 Transformer with ferrite core and method for driving it |
| 03/19/2003 | EP1293277A1 Method for producing magnetic particle, magnetic particle and magnetic material |
| 03/19/2003 | EP0909437B1 Semi-hard magnetic elements formed by annealing and controlled oxidation of soft magnetic material |
| 03/19/2003 | EP0859378B1 Emi preventive part and active device with the same |
| 03/19/2003 | CN1404076A Ferrite core and producing method thereof |
| 03/19/2003 | CN1404075A Nano composite permanent magnetic RE alloy and its prepn |
| 03/19/2003 | CN1403615A Iron-base bulk amorphous soft-magnetic alloy material |
| 03/18/2003 | US6533956 Ferric oxide, cupric oxide, zinc oxide, magnesium oxide and optionally nickelous oxide; less deterioration of magnetic characteristic to stress; enabling low temperature sinter-ing with silver metal or alloy; electrodes |
| 03/18/2003 | US6533837 Method of recovering and recycling magnetic powder from rare earth bond magnet |
| 03/13/2003 | WO2003021611A1 Magnetorheological fluids with an additive package |
| 03/13/2003 | WO2003021610A1 Laminated soft magnetic member, soft magnetic sheet and production method for laminated soft magnetic member |
| 03/13/2003 | WO2003020993A1 Rare earth magnet alloy ingot, manufacturing method for the same, r-t-b type magnet alloy ingot, r-t-b type magnet, r-t-b type bonded magnet, r-t-b type exchange spring magnet alloy ingot, r-t-b type exchange spring magnet, and r-t-b type exchange spring bonded magnet |
| 03/13/2003 | US20030049490 Ferromagnetism powders in binder |
| 03/13/2003 | US20030047706 Powder for high strength dust core, high strength dust core and method for making same |
| 03/13/2003 | US20030047705 Magnetorheological compositions for use in magnetorheological fluids and method of preparing same |
| 03/13/2003 | US20030047338 Radio wave absorber |
| 03/13/2003 | US20030047245 Useful for applications such as a choke coil for a large current or an inductor mounted in an electric car, hybrid car, unstop power source (UPS) |
| 03/13/2003 | US20030047240 Blending hydride powder containing rare earth elements, iron and boron with diffusion powder composed of alloy, a compound or hydride of elements selected from dysprosium, terbium, neodymium and praseodymium; heat treatment; dehydrogenation |
| 03/13/2003 | US20030047030 Biaxially textured articles formed by powder metallurgy |
| 03/13/2003 | US20030047027 Composite material and method for preparing the same, and raw composite material used for preparing the same |
| 03/12/2003 | EP1291884A2 Rare earth magnets and method for manufacturing the same |
| 03/12/2003 | EP1291451A1 Electrical sheet having insulating coating and insulating coating |
| 03/12/2003 | EP1290703A1 Multi-layer transformer having electrical connection in a magnetic core |
| 03/12/2003 | CN1402894A 微波吸收结构 Microwave absorbing structure |
| 03/12/2003 | CN1402696A Method for making ferrite magnets |
| 03/12/2003 | CN1402266A Magnanese-zinc ferrite magnetic core |
| 03/12/2003 | CN1402265A Manganese-zinc ferrite magnetic core mfg. method |
| 03/12/2003 | CN1401610A Heat-sensitive Mn-Zn ferrite series material combined synthesis and high throughput screening method |
| 03/12/2003 | CN1401609A Process for mfg. heat-sensitive Mn-Zn ferrite series material |
| 03/11/2003 | USRE38021 Rapidly quenching melt of rare earth, boron, gallium and iron optionally with cobalt forming amorphous or partially crystallized flakes; pressing, subjecting to hot plastic deformation and pulverizing |
| 03/11/2003 | US6531946 Low noise and low loss reactor |
| 03/11/2003 | US6531304 Method for modifying the dispersion characteristics of metal organic-prestabilized or pre-treated nanometal colloids |
| 03/11/2003 | US6531001 Non-oriented magnetic steel sheet having low iron loss and high magnetic flux density and manufacturing method therefor |
| 03/11/2003 | US6530452 Reactive silencer for industrial air channels and its use |