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| Number | Title | Issue Date |
| 7381478 | Hot rolled steel sheet for processing and method for manufacturing the same An exemplary hot rolled steel sheet for processing can include, in terms of percent by mass, C of 0.01 to 0.2%; Si of 0.01 to 0.3%; Mn of 0.1 to 1.5%; P of ≦0.1%; S of ≦0.03%; Al of 0.001 to 0.1%; N of ≦0.006%; and as a remainder, Fe and unavoidable impurities... | 06/03/2008 |
| 7354487 | Cooled and annealed bainite steel part, and a method of manufacturing it The invention provides a method of fabricating a steel part, the method comprising the steps of: preparing and casting a steel having the following composition in percentage by weight: 0.06%≦C≦0.25%; 0.5%≦Mn≦2%; traces≦Si... | 04/08/2008 |
| 7347969 | Iron-based sintered compact and method for production thereof Provided is an iron-based sintered body with a rustproof function comprising a layer containing 0.01 to 5 at % of indium on the surface of the iron-based sintered body, or an iron-based sintered body with a rustproof function containing 0.01 to 5 at % of indium thro... | 03/25/2008 |
| 7259124 | Hydrogen storage composite and preparation thereof The present invention discloses a hydrogen storage medium including a composite of an alloy and a catalyst/expandable graphite. The expandable graphite can be replaced by activated carbon. The catalyst content is 1-50% based on the weight of the medium, which can be... | 08/21/2007 |
| 7244287 | Magnetic particle, its production method, magnetic recording medium and its production method The present invention relates to a method of producing a magnetic particle including forming a layer containing an alloy particle that can form a CuAu-type or Cu3Au-type hard magnetic ordered alloy phase on a support, oxidizing the layer, and annealing th... | 07/17/2007 |
| 7169351 | Method of production of surface densified powder metal components A method for densification of the surface layer of an optionally sintered powder metal component comprising the steps of decarburizing the surface layer for softening the surface layer of the component, and densifying the surface layer of the component. ... | 01/30/2007 |
| 7070666 | Machinable austempered cast iron article having improved machinability, fatigue performance, and resistance to environmental cracking and a method of making the same A machinable austempered cast iron article has improved strength, machinability, fatigue performance, and resistance to environmental cracking. A method of making the machinable austempered cast iron article includes austenitizing an iron composition having a substa... | 07/04/2006 |
| 7067199 | Magnetic particle of CuAu(1) or CuAu(III) type its production method, magnetic recording medium and its production method The present invention relates to a method of producing a magnetic particle including forming a layer containing an alloy particle that can form a CuAu-type or Cu3Au-type hard magnetic ordered alloy phase on a support, oxidizing the layer, and annealing th... | 06/27/2006 |
| 7056599 | Steel sheet for magnetic shields and manufacturing method thereof A steel sheet for a magnetic shield comprising less than 0.005% by weight of C and 0.0003 to 0.01% by weight of B, and having a thickness of 0.05 to 0.5 mm and an anhysteresis magnetic permeability of 7500 or more. ... | 06/06/2006 |
| 6863968 | Non-asbestos-based friction materials A non-asbestos-based friction material for brakes, clutches or the like for automobiles, large-size trucks, railway cars and various industrial machines. The friction material has excellent friction and rust preventive characteristics, and attacks the plane it faces... | 03/08/2005 |
| 6841123 | Rust-resistant calcium steel The composition of inclusions and the S concentration in steel are controlled in a manner such that, among the CaO-containing oxide inclusions present in a Ca-containing steel, an equilibrium S soluble amount (% S inc.) of at least 80% of the oxide inclusion particl... | 01/11/2005 |
| 6822831 | Magnetic thin film, magnetic thin film forming method, and recording head An object of the present invention is to provide a recording head having a magnetic pole simultaneously possessing a high saturation magnetic flux density, a high permeability and a high electric resistivity, and the magnetic pole of the recording head is a polycrys... | 11/23/2004 |
| 6818155 | Attaching components to a printed circuit card Coupling components to an underlying substrate using a composition of a polymer and magnetic material particles. Upon applying the composition between the component and the printed circuit board, the composition may be subjected to a magnetic field to align the magn... | 11/16/2004 |
| 6786982 | Casting having an enhanced heat transfer, surface, and mold and pattern for forming same A casting includes a heat transfer surface having a plurality of cavities. The plurality of cavities include a density of at least about 25 cavities per square centimeter to about 1,100 cavities per square centimeter resulting in increased surface area and therefore... | 09/07/2004 |
| 6773829 | Method for casting molten metal, apparatus for the same, and cast slab A cast slab has a negative segregation zone composed of a multilayer structure of negative segregation layers disposed between dendrite or crystalline layers. The dendrite or crystalline layers are a deflection structure caused by vibration during formation of the c... | 08/10/2004 |
| 6706419 | Cold-rolled steel sheet or hot-rolled steel sheet excellent in painting bake hardenability and anti aging property at room temperature, and method of producing the same To provide a steel sheet excellent in painting bake hardenability and anti aging property at room temperature: containing, in mass, 0.0001 to 0.20% of C, 2.0% or less of Si, 3.0% or less of Mn, 0.15% or less of P, 0.015% or less of S, and, in addition, 010% or less ... | 03/16/2004 |
| 6699335 | Machine part Machine part is constituted with steel with the carbon content of 0.2% or more and reduced with the hydrogen content after hardening by a heat treatment to 0.04 ppm or less. Further, hardness after hardening by the heat treatment is made to Hv 450 or more... | 03/02/2004 |
| 6695985 | Electromagnetic wave suppressor sheet An electromagnetic wave suppressor sheet formed into a sheet-like shape out of a material made of synthetic resin in which powder of conjugated magnetic particles surface-treated with an insulating inorganic material has been dispersed.... | 02/24/2004 |
| 6690759 | Zirconium-base alloy and nuclear reactor component comprising the same Disclosed herein are zirconium-base alloys excellent in both corrosion resistance and hydrogen absorption property, useful as materials for nuclear reactors. Such a zirconium-base alloy for nuclear reactors comprises 0.5-2 wt. % Sn, 0.07-0.6 wt. % Fe, 0.0... | 02/10/2004 |
| 6635361 | Magnetic shielding steel sheet and method for producing the same A steel sheet for magnetic shields is provided containing 0.15% by weight or less of C and having a thickness of 0.05-0.5 mm and an anhysteretic magnetic permeability of 7500 or higher.... | 10/21/2003 |
| 6569220 | Iron powder and method of producing such A method of producing iron powder comprises the step of providing a supply of iron oxide powder of a size less than 1000 microns which is then heated in a reducing agent atmosphere to a temperature between 1000° F. and 2100° F., thus resulting in the ir... | 05/27/2003 |
| 6554918 | High-strength hot-rolled steel sheet superior in stretch flange formability and method for production thereof A high-strength hot-rolled steel sheet superior in stretch flange formability which comprises C (0.01-0.10 mass %), Si (no more than 1.0 mass %), Mn (no more than 2.5 mass %), P (no more than 0.08 mass %), S (no more than 0.005 mass %), Al (0.015-0.050 ma... | 04/29/2003 |
| 6527877 | Iron-based alloy containing bonded and free carbon and method of manufacturing the same An alloy having two constituents: a crystal structure of orderly solid iron-based solution; a non-metallic phase at least partially soluble in iron including particles which are uniformly dispersed in the volume of the first phase and are of suitable size... | 03/04/2003 |
| 6475305 | Machine structural steel product The present invention is directed to a steel product for machine structural use having excellent machinability and to a structural steel part for machinery manufactured from the steel product. More particularly, the invention is directed to a steel produc... | 11/05/2002 |
| 6383308 | Torsion bar for seat belt retractor To provide a torsion bar for the use of a seat belt retractor which can be manufactured without a spheroidizing annealing process. A torsion bar to be used as a load limiter in a seat belt retractor is characterized in that the torsion bar is made of stee... | 05/07/2002 |
| 6330836 | Steel for gear drive plate gear and method for producing the drive plate gear A steel for a gear which is formed on a drive plate gear includes; C: 0.32 to 0.38%, Si: 0.1% or less, Mn: 0.60 to 0.90%, P: 0.03% or less, and S: 0.035% or less.... | 12/18/2001 |
| 6258316 | Steel ballistic shot and production method A relatively high carbon, water-atomized, steel shot is softened via annealing to render it suitable for ballistic use. The annealing preferably includes decarburization from a surface layer or throughout and preferably provides the shot with a surface Kn... | 07/10/2001 |
| 6200395 | Free-machining steels containing tin antimony and/or arsenic The invention relates to free-machining steels which do not rely on lead as a means of enhancing machinability. Instead, the steels of the invention employ concentrations of tin, arsenic, and/or antimony at ferrite grain boundaries to replicate a role of ... | 03/13/2001 |
| 6190516 | High magnetic flux sputter targets with varied magnetic permeability in selected regions A planar ferromagnetic sputter target is provided for use as cathode in the magnetron sputtering of magnetic thin films, wherein the ferromagnetic material has localized regions of differing magnetic permeability. A solid, unitary, planar sputter target i... | 02/20/2001 |
| 6187261 | Si(Ge)(-) Cu(-)V Universal alloy steel A composition and method for reducing cost and improving the mechanical properties of alloy steels. The invention resides in the ability of certain combinations of carbon-subgroup surfactants and d-transition metals to modify and control diffusion mechani... | 02/13/2001 |
| 6183606 | Manufacture method of high coercivity FePt-Si3N4 granular composite thin films A method of producing high coercivity FePt--Si3 N4 granular composite thin films for magnetic recording media is invented. The method includes magnetron co-sputtering of FePt and Si3 N4 targets at controlled spu... | 02/06/2001 |
| 6149862 | Iron-silicon alloy and alloy product, exhibiting improved resistance to hydrogen embrittlement and method of making the same An alloy and alloy product has about 1.3% to 1.7% by weight concentration of silicon, along with iron, alloying elements, and inevitable impurities and exhibits improved resistance to hydrogen embrittlement and sulfide stress cracking in an intensive hydr... | 11/21/2000 |
| 6129791 | Oxides dispersion steel and making process thereof In carbon steel, oxides with grain diameter of 1 μm or less and with grain spacing of 6 μm or less are dispersed to suppress growth of γ grains by heating at γ region temperature.... | 10/10/2000 |
| 5876519 | Fe-based amorphous alloy An Fe-based amorphous alloy having a compositional formula in atomic percent represented by Fe100-a-b-c-d-e-f Ala Gab Pc Cd Be Sif, wherein a to f satisfy 4ࣘaࣘ6, 1ࣘbࣘ3, 9... | 03/02/1999 |
| 5858125 | Magnetoresistive materials A magnetoresistive material of the present invention has a structure in which many clusters are surrounded by a crystal phase of Cu and/or Ag, where each cluster has a grain size of 20 nm or less and composed of an amorphous phase containing at least one ... | 01/12/1999 |
| 5690753 | Steel containing super-finely dispersed oxide system inclusions A carbon steel containing super-finely dispersed oxide system inclusions, comprising, by weight, not more than 1.2% carbon, 0.01 to 0.10% Al, total oxygen of not more than 0.0050%, Mg which fulfills the relationship of the following formula: (total oxygen... | 11/25/1997 |
| 5686194 | Resin film laminated steel for can by dry forming A laminated steel sheet for dry forming drawn and ironed cans wherein the steel sheet comprises a steel containing iron, carbon, manganese, aluminum, silicon, phosphorus, sulfur and optionally titanium and/or niobium and wherein the steel sheet is electro... | 11/11/1997 |
| 5667751 | Alloy material with improved catalytic properties This invention relates to a catalytic fuel composition capable of reducing pollutants in the combustion gasses generated upon combustion of the same. A catalytic material is combined with a liquid, petroleum-based fuel, mixed and solid particles are separ... | 09/16/1997 |
| 5656103 | Steel strap and method of making A non-heat treated, high tensile strength, highly formable steel strap that may be applied in a tensioned loop about packaged articles with a strapping machine. The strap is fabricated from a steel comprising approximately, 0.20 to 0.25 percent carbon, 0.... | 08/12/1997 |
| 5496631 | Perpendicular magnetic film, multilayered film for perpendicular magnetic film and process for producing perpendicular magnetic film Disclosed herein is a perpendicular magnetic film comprising a spinel thin film which is formed on a substrate, which contains Fe as the main ingredient and further contains Co and Ni, and which has a coercive force of less than 3000 Oe, the plane (400) t... | 03/05/1996 |
