U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Famous Patents

Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Assignee: Kobe Steel, Ltd.


Location: Kobe, JP
No. of patents: 303

1                
NumberTitleIssue Date
7682467High strength hot rolled steel sheet superior in workability, fatigue property, and surface quality
Disclosed is a high-strength hot-rolled steel sheet containing C in a range of 0.03 to 0.15 mass %, Mn in a range of 0.5 to 2 mass %, and Al in a range of 0.01 to 0.1 mass %, respectively, while controlling S to not more than 0.02 mass % (0% included), wherein the m...
03/23/2010
7637137Press forming method of formed member with flange
A press forming method which can prevent a stretch-flange crack while using conventional press forming equipment at a time of press forming a formed member with flange includes steps of constructing a blank for press forming with a base body blank portion correspond...
12/29/2009
7198848Two-phase glass-like carbon member and method of manufacturing the same
A two-phase glass-like carbon member has, in combination, a porous glass-like carbon base, and a dense glass-like carbon surface layer formed on the porous glass-like carbon base. The porous glass-like carbon base can be formed in a large thickness. The dense glass-...
04/03/2007
7175691Method of producing stainless steel by re-using waste material of stainless steel producing process
A method of producing stainless steel includes the steps of melting a raw material in an electric furnace to form molten steel, and then refining the molten steel by a refining furnace to produce stainless steel in a stainless steel producing process. In the method,...
02/13/2007
7169485Multilayer coating excellent in wear resistance and heat resistance
A multilayer coating according to the present invention comprises an alumina coating formed, directly or through an intermediate layer, on a hard coating composed of a metallic compound formed on the base material, and the Vickers hardness of the hard coating after ...
01/30/2007
7166367Titanium alloy having excellent high-temperature oxidation and corrosion resistance
A titanium alloy having excellent high-temperature oxidation and corrosion resistance is disclosed which comprises, by mass, Al: 0.30–1.50%, and Si: 0.10–1.0%. Preferably, amass ratio Si/Al is not less than 1/3. More preferably, the titanium alloy further compri...
01/23/2007
7163046Method and apparatus for injection molding light metal alloy
The apparatus of the invention is an injection molding apparatus of a type adapted to cool a molten metal under shearing by an extrusion screw in a substantially vertical chamber into a semi-solidified slurry and then inject the semi-solidified slurry discharged fro...
01/16/2007
7154180Electronic device, method of manufacture of the same, and sputtering target
In an electronic device comprising a first electrodes consisting of a metal oxide and a second electrode consisting of an aluminum alloy film directly contacted and electrically connected to the first electrode, the contact interface between the aluminum alloy film ...
12/26/2006
7150792Film deposition system and film deposition method using the same
The present invention provides a film deposition system capable of effectively cooling a work having a large volume, and a film deposition method using this system. The film deposition system has, within a vacuum chamber 1, an evaporation source 3 for ...
12/19/2006
7150496Panel structure for car body hood
A hood structure comprises an outer and an inner which form a closed cross section through spaces. The inner's cross-sectional shape is a sine curve, an nth-power-raised sine curve, or a spline curve having a corrugation length approximate to an outside head diamete...
12/19/2006
7144235Bearing and screw compressor
A bearing comprising a resin layer, a backing strip and an intermediate layer which bonds the resin layer and the backing strip to each other is disclosed. The bearing undergoes a force from the resin layer side. A corrosion preventing layer is formed on each side f...
12/05/2006
7131392Vacuum evaporator
A vacuum evaporator according to the present invention comprises a vacuum chamber, a rod-like evaporation source provided to be liftable into and out of the vacuum chamber, and a work support means for supporting, relative to the evaporation source lowered into the ...
11/07/2006
7117708Die set for press forming metal sheet and press forming method of metal sheet
A die set for press forming a metal sheet is provided, which comprises: at least a punch; and a die, wherein a punch-die clearance CL2 corresponding to a site to be formed immediately after the initial stage of press forming and a punch-die clearance CL1
10/10/2006
7118809High-strength hot-dip galvanized steel sheet with excellent spot weldability and stability of material properties
A high-strength hot-dip galvanized steel sheet is provided which comprises a composite structure consisting essentially of ferrite and martensite. The steel comprises, by mass %, C: 0.05 to 0.12%, Si: not more than 0.05%, Mn: 2.7 to 3.5%, Cr: 0.2 to 0.5%, Mo: 0.2 to...
10/10/2006
7104772Screw compressor
In a screw compressor for a refrigerator, suction-side rotor shafts of screw rotors are supported rotatably by angular ball bearings for forward thrust load, an annular gap is formed between the angular ball bearings and a suction-side bearing casing, and outermost ...
09/12/2006
7098539Electronic device, method of manufacture of the same, and sputtering target
In an electronic device comprising a first electrodes consisting of a metal oxide and a second electrode consisting of an aluminum alloy film directly contacted and electrically connected to the first electrode, the contact interface between the aluminum alloy film ...
08/29/2006
7097345Screw with heat exchange function, mixer and extruder
A screw with a heat exchange function is rotatably fit in a barrel, and includes a heat exchange medium chamber located at a center section in the radial direction, running along the lengthwise direction. The chamber stores a heat exchange medium supply pipe supplyi...
08/29/2006
7094037Oil-cooled compressor
An oil-cooled screw compressor which can maintain the discharge temperature of discharge gas at an appropriate level is provided. The oil-cooled screw compressor comprises a compressor body, an oil separation/recovery unit disposed in a discharge path extending from...
08/22/2006
7083320Kneading apparatus and method, including selectable supply ports, for kneading rubber or rubber compositions
A continuous kneading apparatus and method are provided wherein discharge ports are provided at a plurality of positions of the barrel to discharge a kneaded product, and one of the plurality of the discharge ports is selected according to a desired kneading conditi...
08/01/2006
RE39222Process for preparing 2,6-dialkylnaphthalene
A process for producing 2,6-dialkylnaphthalene from a hydrocarbon feedstock that contains at least one component selected from the group consisting of dialkylnaphthalene isomers, monoalkylnaphthalene isomers, polyalkylnaphthalenes, and naphthalene, is provided that ...
08/01/2006
7074254Binder for powder metallurgy, mixed powder for powder metallurgy and method for producing same
The invention aims to provide a binder for powder metallurgy, the binder containing an epoxy resin which is liquid at room temperature and a curing agent having at least one functional group selected from the group consisting of amino, mercapto and carboxyl groups. ...
07/11/2006
7067999Rotation control device of working machine
In a neutral range preset, there are set a zone for stopping and holding a rotating body only by a mechanical brake, a zone for holding the body only by performing position holding control, and a zone for simultaneously exerting both effects, i.e., the effect of the...
06/27/2006
7037388Steel plate for paint use and manufacturing method thereof
A steel plate for paint use which contains C (0.12% or less), Si (1.0% or less), Mn (2.5% or less), P (0.05% or less), S (0.02% or less), and Cr (0.05% or less), Cu (0.05–3.0%), Ni (0.05–6.0%), Ti (0.025–0.15%), and Cu+Ni (0.50% or more), with PCM b...
05/02/2006
7033678Resin coated metal sheet
A resin coated metal sheet of the invention has an epoxy resin layer on a galvanized metal sheet, wherein the resin layer contains iron phosphide and at least one selected from the group consisting of aluminum triphosphate, calcium ion exchange silica and amorphous ...
04/25/2006
7004616Kneading apparatus and method for kneading rubber-based composition using the same
A kneading apparatus includes a barrel having a cylindrical chamber; a screw assembly rotating in the chamber so that a material to be kneaded is extruded in the axial direction by the rotation, the screw assembly including a screw section having helical blades and ...
02/28/2006
7005194Aluminum alloy member superior in corrosion resistance and plasma resistance
An aluminum or aluminum alloy member superior in liquid and gaseous corrosion resistance and plasma resistance, which has an anodized film formed thereon which is composed of a porous layer and a non-porous barrier layer whose structure is at least partly boehmite o...
02/28/2006
6991370Temperature measuring apparatus of high melting point metal carbide-carbon system material thermocouple type, and method for producing the apparatus
The temperature measuring apparatus according to the present invention is of the high melting point metal carbide—carbon system material thermocouple type. According to this temperature measuring apparatus, it is possible to measure temperatures from a room temper...
01/31/2006
6984457Titanium material, production thereof, and exhaust pipe
(1) A titanium material composed of a substrate of pure titanium or titanium alloy and an aluminum-containing layer formed thereon having a thickness no smaller than 1 μm and containing no less than 90 mass % aluminum or aluminum plus silicon. (2) A titanium materi...
01/10/2006
6962161Method of high pressure treatment
In a high pressure processing method for removing an unnecessary substrate on the surface of the surface of a workpiece by bringing it into contact with supercritical carbon dioxide and additives in a high-pressure chamber, removing the unnecessary substance on the ...
11/08/2005
6960318High temperature/high pressure vessel
In a high temperature/high pressure vessel for treating a workpiece placed in the interior of the vessel at a high temperature and a high pressure wherein piano wire is wound under tension round an outer periphery of a cylindrical body to apply a compressive residua...
11/01/2005
6941774Optical fiber preform-heating furnace
The present invention provides an optical fiber preform-heating furnace that is simple in its structure and excellent in uniformity of the temperature distribution in a circumferential direction of an optical fiber preform. The optical fiber preform-heating furnace ...
09/13/2005
6943328Raw tire preheating method and apparatus therefor
A raw tire-preheating method and apparatus for preheating a raw tire uniformly over all the areas with a reduced running cost. The raw tire-preheating apparatus comprises a tread section-preheating mechanism (16) including a front coil (21) disposed so...
09/13/2005
6939621Plated copper alloy material and process for production thereof
A plated copper alloy material for connecting terminals is provided which comprises a parent material of copper or copper alloy, a nickel layer and a copper-tin alloy layer. The nickel layer has a thickness of 0.1-1.0 μm. The copper-tin alloy layer has a thickness ...
09/06/2005
6932872Heating apparatus using induction heating
A heating apparatus which is installed in a low pressure CVD system or annealing equipment for use in semiconductor integrated circuit manufacturing processes for heat-treating wafers on which IC's are to be formed, wherein wafers are uniformly heated, the temperatu...
08/23/2005
6927243PHOTOSETTING RESIN COMPOSITION, METAL LAMINATES HAVING LAYERS MADE FROM THE COMPOSITION, METAL MEMBERS MADE FROM THE LAMINATES AND HAVING HIGH-HARDNESS PROTECTING LAYERS AND PROCESS FOR PRODUCTION THEREOF
The present invention relates to a photocurable resin composition which contains a photocurable component and forms on a substrate a photocurable resin layer having a viscosity of 1000-500,000 Pa·s at 23° C. and 65% RH. This resin composition is formed into a phot...
08/09/2005
6919288Hard film for cutting tools, cutting tool coated with hard film, process for forming hard film, and target used to form hard film
A hard film for cutting tools which is composed of (Ti1−a−b−c−d, Ala, Crb, Sic, Bd) (C1−eNe) 0.5≦a≦0.8, 0.06≦b, 0≦c≦0.1, 0≦d≦0.1, ...
07/19/2005
6918947Method for making reduced iron
A method for making reduced iron using blast-furnace sludge is provided. The method includes a mixing step of mixing the blast-furnace sludge and an iron-oxide-containing powder to prepare a mixed material, an agglomerating step of agglomerating the mixed material t...
07/19/2005
6894202Method for producing 2,6-dimethylnaphthalene
An object of the present invention is to provide a method for manufacturing 2,6-DMN, in which even when a mixture containing DMN isomers which includes 5 wt % or more of 2,7-DMN is used, a highly pure 2,6-DMN can be obtained. The method for manufacturing the highly ...
05/17/2005
6890091Kneading apparatus, including selectable discharge ports, for kneading rubber or rubber compositions
A continuous kneading apparatus and method are provided wherein discharge ports are provided at a plurality of positions of the barrel to discharge a kneaded product, and one of the plurality of the discharge ports is selected according to a desired kneading conditi...
05/10/2005
6849231α-β type titanium alloy
There is provided an α-β type titanium alloy having a normal-temperature strength equivalent to, or exceeding that of a Ti-6Al-4V alloy generally used as a high-strength titanium alloy, and excellent in hot workability including hot forgeability and subsequent sec...
02/01/2005
1                
 
Sign InRegister
Username  
Password   
forgot password?