| Patent Number |
Title Of Patent |
Date Issued |
| RE40263 |
Pearlitic steel rail having excellent wear resistance and method of producing the same |
April 29, 2008 |
| This invention is directed to improve a wear resistance and a damage resistance required for a rail of a sharply curved zone of a heavy load railway, comprising more than 0.85 to 1.20% of C, 0.10 to 1.00% of Si, 0.40 to 1.50% of Mn and if necessary, at least one member selected from |
| RE35063 |
Method of soldering honeycomb body |
October 17, 1995 |
| When soldering a honeycomb body formed by alternately piling flat foils (plates) and corrugated foils (plates), a binder liquid is sucked up from the end face of tile honeycomb body to form a binder streak in a space defined by contacting portions of the flat foil (plate) and corrugated |
| RE31251 |
Process for producing a high tension steel sheet product having an excellent low-temperature tou |
May 24, 1983 |
| The production process characterized in that a steel ingot or slab containing not less than 0.004% of TiN not larger than 0.02.mu. is heated to a temperature not higher than 1150.degree. C. and rolled, and growth of the .gamma. grains during this heating and rolling step is prevented by |
| RE30933 |
Apparatus for continuous treatment of low-carbon cold-rolled steel sheet having excellent cold w |
May 18, 1982 |
| An apparatus for continuous treatment of cold rolled steel sheet. The apparatus has a continuous annealing furnace through which the sheet is continuously passed and which is composed of, in succession, a heating chamber for heating the cold rolled steel sheet to a temperature range of |
| RE30851 |
Method for producing low-carbon cold rolled steel sheet having excellent cold working properties |
January 19, 1982 |
| In the production of low-carbon steel, particularly low-carbon steel sheet containing less than 0.25% of Mn, improvements in the method and apparatus, which comprises hot rolling a steel having a controlled range content of Mn, O and S contents, then coiling thus hot rolled steel at |
| RE29313 |
Pitting corrosion resistant austenite stainless steel |
July 19, 1977 |
| A pitting corrosion resistant austenite stainless steel comprising not more than 0.08% by weight of carbon, not more than 4% by weight of silicon, not more than 5.0% by weight of manganese, not more than 0.04% by weight of phosphorus, not more than 0.03% by weight of sulfur, 10 to 18% by |
| D313992 |
Facsimile transceiver |
January 22, 1991 |
|
| 7618476 |
Method and apparatus for cooling reduced-iron agglomerate |
November 17, 2009 |
| In a method and an apparatus for cooling a reduced-iron agglomerate in a reduced-iron agglomerate production equipment wherein an iron oxide agglomerate is reduced in a reducing furnace and discharged as a reduced-iron agglomerate, a conveyer to convey said reduced-iron agglomerate i |
| 7615126 |
High strength hot rolled steel plate excellent in enlargeability and ductility and method for pr |
November 10, 2009 |
| High strength, hot rolled steel plate providing high level of bore expandability and high level of ductility. Also, method of manufacturing same. In first aspect, steel plate comprises steel having, by mass, C:0.01-0.15%; Si:0.30-2.00%; Mn:0.50-3.00%; P.ltoreq.0.03%; S.ltoreq.0.005%; |
| 7608337 |
Chemical conversion-treated metal plate |
October 27, 2009 |
| To provide a chemical conversion-treated metal sheet excellent in the corrosion resistance and coating adhesion, free from elution of chromium oxide and small in the environmental load, there is provided a chemical conversion-treated metal sheet comprising a metal sheet having on at |
| 7608154 |
Nonoriented electrical steel sheet excellent in core loss |
October 27, 2009 |
| A nonoriented electrical steel sheet excellent in core loss comprising copper sulfides with a sphere-equivalent radius of 100 nm or less, wherein the number density of the copper sulfides is less than 1.times.10.sup.10 [inclusions/mm.sup.3]. Preferably, the percentage of the number o |
| 7603815 |
Panel structure of steel house and panel constructing method |
October 20, 2009 |
| A panel structure of a steel house built by constructing multi-story structural frameworks by forming wall panels by fastening face members to rectangular frames of light-gage channels of sheet steels, constructing walls of each story by disposing said wall panels along the four sides of |
| 7601672 |
High Al stainless steel sheet and honeycomb bodies employing them |
October 13, 2009 |
| The present invention provides an Fe--Cr--Al based stainless steel sheet and double layered sheet having a high Al content of greater than 6.5%, honeycomb bodies employing the stainless steel sheet or double layered sheet, and a process for fabrication of the steel sheet or double layere |
| 7601231 |
High-strength steel pipe excellent in low temperature toughness and toughness at weld heat-affec |
October 13, 2009 |
| A high-strength steel pipe excellent in weldability on site and a method for producing the steel pipe by improving the reliability of the low temperature toughness of a steel are provided. For example, the steel pipe includes elements to enhance hardenability for furthering high-stre |
| 7594973 |
Titanium material less susceptible to discoloration and method for production thereof |
September 29, 2009 |
| Titanium material less susceptible to discoloration and method for thereof are provided. Titanium materials less susceptible to discoloration in the atmosphere are obtainable by controlling the fluorine and carbon contents in the oxide film on the surface thereof and the thickness of the |
| 7575646 |
Heat-treated steel wire for high strength spring |
August 18, 2009 |
| The present invention provides a steel wire, for springs excellent in coiling property while having a high strength, as a heat treated steel wire for high strength springs, characterized by: comprising, in mass, C: 0.75 to 0.85%, Si: 1.5 to 2.5%, Mn: 0.5 to 1.0%, Cr: 0.3 to 1.0%, P: not |
| 7566371 |
Non-oriented electrical steel sheet excellent in magnetic properties in rolling direction and me |
July 28, 2009 |
| Non-oriented electrical steel sheet remarkably improved in magnetic properties in the rolling direction by a method superior in cost and productivity, that is, non-oriented electrical steel sheet excellent in magnetic properties in the rolling direction comprising, by wt %, Si in an |
| 7547671 |
Discoloration removal cleaning agent for titanium and titanium alloy building materials, and dis |
June 16, 2009 |
| A removal cleaning agent for discolored sections of titanium building materials which comprises at least a water-soluble inorganic acid salt, an organic acid or organic acid salt, a surfactant and a hydrophilic oxygen-containing hydrocarbon solvent, and optionally an discoloration in |
| 7534502 |
Zinc-plated steel sheet excellent in corrosion resistance after coating and clarity of coating t |
May 19, 2009 |
| The object of the present invention is to provide a plated steel sheet capable of securing excellent post-painting corrosion resistance and brightness, and the present invention makes it possible to produce a plated steel sheet excellent in post-painting corrosion resistance and pain |
| 7534312 |
Steel plate exhibiting excellent workability and method for producing the same |
May 19, 2009 |
| The present invention provides a steel sheet excellent in workability, which may be used for components of an automobile or the like, and a method for producing the same. More specifically, according to one exemplary embodiment of the present invention, a steel sheet excellent in wor |
| 7510614 |
High strength bolt excellent in delayed fracture resistance and method of production of same |
March 31, 2009 |
| The present invention provides a high strength bolt excellent in delayed fracture resistance able to advantageously prevent hydrogen embrittlement as represented by the delayed fracture phenomenon occurring along with an increase in strength and causing a particular problem, and a method |
| 7503984 |
High-strength thin steel sheet drawable and excellent in shape fixation property and method of p |
March 17, 2009 |
| The present invention provides a high-strength thin steel sheet drawable and excellent in a shape fixation property and a method of producing the same. For the steel sheet, on a plane at the center of the thickness of a steel sheet, the average ratio of the X-ray strength in the orientat |
| 7501031 |
Steel sheet for tin plated steel sheet and tin-free steel sheet each having excellent formabilit |
March 10, 2009 |
| The invention provides a steel sheet for hard tinplate and a TFS steel sheet each having an excellent formability and a temper grade of T4 to DR9, and an efficient manufacturing method capable of selectively manufacturing these steel sheets by using raw materials having the same comp |
| 7497987 |
Refining method and refining apparatus for chromium-contained molten steel |
March 3, 2009 |
| A refining method and apparatus for decarburization refining of chromium containing molten steel in a vessel having a first step of blowing oxygen while the inside of the vessel is at a pressure of between 400 Torr and atmospheric pressure, a second step of blowing oxygen while evacuatio |
| 7497054 |
Column-and-beam join structure |
March 3, 2009 |
| A column-and-beam join structure comprises connecting the column and beam with a pair of split tees. At least one split tee has a web with a portion of the web having a reduced cross-sectional area. The web with the reduced cross-sectional area is located between a flange of the beam |
| 7490631 |
Integrally formed flanged metal pipe and method of manufacturing thereof |
February 17, 2009 |
| A flanged pipe includes a pipe body portion, a flange portion and a bent portion located between the pipe body portion and the flange portion. The pipe body portion, the bent portion and the flange portion are formed from an integral, monolithic structure. A minimum inner diameter of the |
| 7488396 |
Superior in machinability and method of production of same |
February 10, 2009 |
| The present invention provides steel superior in machinability comprised of, by wt %, C: 0.005 to 0.2%, Si: 0.001 to 0.5%, Mn: 0.2 to 3.0%, P: 0.001 to 0.2%, S: 0.03 to 1.0%, T.N: 0.002 to 0.02%, T.O: 0.0005 to 0.035%, and the balance of Fe and unavoidable impurities, said steel sati |
| 7485195 |
High-strength hot-rolled steel sheet excellent in shape fixability and method of producing the s |
February 3, 2009 |
| A high-strength hot-rolled steel sheet excellent in shape fixability having ferrite or bainite as the phase of the largest volume percentage, satisfying all of the following at least at 1/2 sheet thickness: a mean value of X-ray random intensity ratio in the orientation component group |
| 7481090 |
Rolling method and rolling apparatus for flat-rolled metal materials |
January 27, 2009 |
| This invention provides a rolling method and a rolling apparatus, for flat-rolled metal materials capable of stably producing flat-rolled metal materials not having, or having extremely little, camber. A rolling method for a-flat-rolled metal material uses rolling equipment including |
| 7476445 |
Surface-treated metal sheet |
January 13, 2009 |
| It is an object of the present invention to provide an organic coating-treated metal sheet, having a coat capable of satisfying all the corrosion resistance, alkali resistance, solvent resistance, anti-scratch property and adhesion requirements which the conventional nonchromate type |
| 7475517 |
Joining structure of roof truss using thin light-gauge shaped steel |
January 13, 2009 |
| The present invention provides a joining structure of a roof truss using thin light-gauge shaped steel. In a joining structure for joining a subsidiary roof with a main roof, a valley bracket formed by bending a thin steel sheet is inserted and disposed in the longitudinal valley dir |
| 7471182 |
Core having superior end face insulation and method of treating core end faces to give insulatio |
December 30, 2008 |
| A means for treating the end faces of a core which is used for an electrical apparatuses and etc., to give insulation extremely superior in effect of improvement of the insulation, corrosion resistance, adhesiveness, heat resistance, and magnetic properties at a low temperature in a |
| 7465217 |
CMP conditioner, method for arranging hard abrasive grains for use in CMP conditioner, and proce |
December 16, 2008 |
| Disclosed are CMP conditioners which can suppress microscratching of the surface of a semiconductor substrate and can realize stable CMP conditioner properties. The CMP conditioner according to the first aspect of the present invention comprises a support member and a plurality of ha |
| 7462250 |
High strength, high toughness, high carbon steel wire rod and method of production of same |
December 9, 2008 |
| The present invention provides a high strength, high toughness steel wire rod useful for a PC steel wire, galvanized steel strands, spring use steel wire, cables for suspension bridges, etc. By hot rolling, then directly patenting or reaustenitizing, then patenting a high carbon steel |
| 7459033 |
Oil country tubular goods excellent in collapse characteristics after expansion and method of pr |
December 2, 2008 |
| The present invention provides a method of production of oil country tubular goods having a small drop in collapse pressure after expansion and having a collapse pressure recovering by low temperature ageing at about 100.degree. C. and oil country tubular goods obtained by this metho |
| 7456724 |
Electrical steel sheet for low-noise transformer and low-noise transformer |
November 25, 2008 |
| The present invention provides an electrical steel sheet core for a low-noise transformer capable of effectively lowering noise by suppressing vibration perpendicular to the surfaces of the steel sheets and reducing vibration, and relates to an electrical steel sheet for a low-noise |
| 7455822 |
Method for production of silicon |
November 25, 2008 |
| A process for production of Si, characterized by adding an oxide, hydroxide, carbonate or fluoride of an alkali metal element, or an oxide, hydroxide, carbonate or fluoride of an alkaline earth metal element, or two or more of such compounds, to solid SiO in a total molar amount of f |
| 7452497 |
Furnace sidewall structure of rotary hearth furnace |
November 18, 2008 |
| A furnace sidewall structure of a rotary hearth furnace for making direct reduced iron which is agglomerated iron ore or waste iron oxide containing a reducing agent on a rotary hearth by heating or for heating at least one steel piece, wherein the rotary hearth furnace includes an o |
| 7438771 |
Steel material for high strength constant velocity joint intermediate shaft and high strength co |
October 21, 2008 |
| A steel material for a high strength constant velocity joint intermediate shaft is provided. The steal material may preferably contain C: 0.46 to 0.52%, Si: 0.6 to 0.8%, Mn: 0.7 to 0.9%, S: 0.01 to 0.05%, Mo: 0.3 to 0.5%, B: 0.0005 to 0.005%, Al: 0.002 to 0.05%, and Ti: 0.02 to 0.09%, |
| 7418850 |
Integrally formed flanged metal pipe and method of manufacturing thereof |
September 2, 2008 |
| A flanged pipe includes a pipe body portion, a flange portion and a bent portion located between the pipe body portion and the flange portion. The pipe body portion, the bent portion and the flange portion are formed from an integral, monolithic structure. A minimum inner diameter of the |
| 7416774 |
Precoated metal sheet for light reflectors |
August 26, 2008 |
| The present invention provides a precoated metal sheet for light reflectors having a high diffuse reflectance of visible lights and an excellent heat absorptivity, and also provides the electric or electronic apparatus using it. The precoated metal sheet comprises a metal sheet or pl |
| 7413780 |
High strength galvannealed steel sheet excellent in workability and a method of production of th |
August 19, 2008 |
| Galvannealed steel sheet simultaneously able to achieve excellent workability and high strength and a method of production of the same are provided as an objective, in particular high strength galvannealed steel sheet excellent in workability, comprising high strength steel sheet con |
| 7402215 |
Deformed wire for reinforcing marine optical fiber cable |
July 22, 2008 |
| Deformed wire for a submarine optical fiber cable used for the pressure-proof layer of the submarine optical cable and having a high strength, that is, having a tensile strength of 1800 MPa or more, is provided, which deformed wire for reinforcing submarine optical fiber cable is cha |
| 7399371 |
Treatment method for improving fatigue life and long-life metal material treated by using same t |
July 15, 2008 |
| A novel treatment method, for improving fatigue life, is provided that aims to resolve problems associated with conventional treatment methods for improving fatigue life of metal by reduction of stress concentration and conventional treatment methods for improving fatigue life of metal b |
| 7399369 |
Ultra-high magnetic flux density grain-oriented electrical steel sheet excellent in iron loss at |
July 15, 2008 |
| The present invention is a grain-oriented electrical steel sheet characterized in that Bi is present at 0.01 to less than 1,000 ppm in terms of mass at the interface of the substrate steel and the primary film of the grain-oriented electrical steel sheet. The grain-oriented electrica |
| 7393578 |
Precoated metal sheet for light reflectors |
July 1, 2008 |
| The present invention provides a precoated metal sheet, for light reflectors, having a high diffuse reflectance of visible light, and also provides the electric or electronic apparatus using it. The precoated metal sheet comprises a metal sheet or plated metal sheet, a visible light |
| 7393470 |
Process for producing synthesis gas for the fischer-tropsch synthesis and producing apparatus th |
July 1, 2008 |
| Synthesis gas for FT synthesis is produced using a producing apparatus including an active carbon adsorbing vessel for adsorbing impurities in a natural gas, a hydro-desulfurizer for hydrogenating and desulfurizing sulfur content in the natural gas under a condition of a partial pressure |
| 7390564 |
Coated metal material capable of being welded which is excellent in corrosion resistance of work |
June 24, 2008 |
| A weldable coated metal material excellent in the corrosion resistance of the formed part, comprising a metal sheet having formed on at least one surface thereof a coat layer containing electrically conducting particles, wherein the number distribution of the electrically conducting |
| 7390370 |
Gold bonding wires for semiconductor devices and method of producing the wires |
June 24, 2008 |
| Gold bonding wires for semiconductor devices featuring increased strength and modulus of elasticity, stable loop shapes, suppressing the flow of wires, suppressing the leaning, and totally improved junctions of the wedge junction portions or wear characteristics for realizing a narro |
| 7381478 |
Hot rolled steel sheet for processing and method for manufacturing the same |
June 3, 2008 |
| 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 .ltoreq.0.1%; S of .ltoreq.0.03%; Al of 0.001 to 0.1%; N of .ltoreq.0.006%; and as a remainder, Fe and unavoidable impurities. The |
