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Sumitomo Metal Industries Ltd
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Sumitomo Metal Industries Ltd patents

Recent patent applications related to Sumitomo Metal Industries Ltd. Sumitomo Metal Industries Ltd is listed as an Agent/Assignee. Note: Sumitomo Metal Industries Ltd may have other listings under different names/spellings. We're not affiliated with Sumitomo Metal Industries Ltd, we're just tracking patents.

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Date Sumitomo Metal Industries Ltd patents (updated weekly) - BOOKMARK this page
10/24/13Method of detecting fault in piercing-rolling and producing seamless pipe or tube
10/03/13Manufacturing method and manufacturing uoe steel pipe or tube
09/19/13Positioning apparatus, working system, and hot working apparatus
08/22/13Heat-treated steel material, producing same, and base steel material for same
05/23/13Austenitic stainless steel
05/23/13Modified natural graphite particle and producing the same
05/16/13Mandrel bar cleaning facility
03/07/13Bent member and an its manufacture
01/10/13Lubricant for hot-rolling tools, and surface treatment mandrel bar for use in producing hot rolling seamless tubes
01/03/13Method and manufacturing a bent member
01/03/13Seamless steel pipe for line pipe and manufacturing the same
01/03/13Seamless steel pipe for steam injection and manufacturing the same
12/27/12Method for manufacturing a hot press-formed member
12/27/12Brake lining for railroad car
12/27/12Induction heating coil, and an manufacturing a worked member
12/27/12Defect inspecting apparatus
12/27/12High-strength stainless steel for oil well and high-strength stainless steel pipe for oil well
12/20/12Manufacturing method and manufacturing apparatus of hot-rolled steel sheet
12/06/12Anti-seizure agent for hot steel working
12/06/12Method for straightening tube and straightening roll
12/06/12Negative electrode material for nonaqueous electrolyte secondary batteries and manufacturing method thereof
11/29/12Brake lining for railroad car
11/15/12Method for heat-treating metal tubes or pipes for nuclear power plant, batch-type vacuum heat treatment furnace used therefor, and metal tubes or pipes for nuclear power plant heat-treated by the same
11/15/12Austenitic heat resistant alloy
11/08/12Austenitic stainless steel pipe excellent in steam oxidation resistance and manufacturing method therefor
11/08/12Apparatus and determining kind of steel material
11/08/12Apparatus and determining kind of steel material
11/08/12High-temperature material transferring member
10/25/12Method for manufacturing seamless steel pipe for line pipe and seamless steel pipe for line pipe
10/25/12Strength member for an automobile body, front side member, and side structure for an automobile body
10/18/12Hot-rolled steel car or wire rod
10/18/12Blank tube for cold drawing and producing the same, and producing cold drawn tube
10/11/12Continuous casting mold and continuous casting roud billet
10/04/12Arm material and a its manufacture
10/04/12Inspection tubular product and inspection method therefor
10/04/12Mixed carbon material and negative electrode for nonaqueous secondary battery
09/27/12Duplex stainless steel having excellent alkali resistance
09/20/12Threaded joint for steel pipes
09/20/12Austenitic stainless steel sheet and a its manufacture
08/30/12High-strength uoe steel pipe excellent in deformability and low-temperature toughness of heat affected zone
08/30/12Manufacturing apparatus of hot-rolled steel sheet and manufacturing hot-rolled steel sheet
08/30/12Manufacturing hot-rolled steel sheet and manufacturing apparatus of hot-rolled steel sheet
08/23/12Plug, piercing-rolling mill, and producing seamless tube by using the same
08/23/12Method for producing carbonitrided member
08/23/12Sic single crystal wafer and process for production thereof
08/16/12Method for measuring sheet material flatness and producing steel sheet using said measuring method
08/16/12Steel tube for airbags and a process for manufacturing same
08/02/12Nickel based alloy material
07/12/12Multi-roll mandrel mill and producing seamless tubes
07/12/12Retract mandrel mill and rolling tube blank
07/12/12Method and manufacturing a bent product
07/12/12Duplex stainless steel
07/05/12Ultrasonic probe, ultrasonic testing equipment, and ultrasonic testing method
07/05/12Ni-based alloy product and producing method thereof
06/21/12Device for adjusting rolling positions of rolling rolls constituting three-roll mandrel mill and manufacturing seamless pipes or tubes
06/07/12Austenitic stainless steel
05/17/12Method of manufacturing heavy-wall seamless steel pipe
05/17/12Hic-resistant thick steel plate and uoe steel pipe
05/03/12Cooling apparatus of steel sheet, and manufacturing apparatus and manufacturing hot-rolled steel sheet
04/19/12Rotary eddy current testing probe device
04/12/12Bending apparatus
04/12/12Carburized component and manufacturing method
04/05/12Manufacturing apparatus of hot-rolled steel sheet and manufacturing steel sheet
04/05/12Bending apparatus
03/22/12Method of evaluating fastening state of threaded joint of pipes or tubes, fastening threaded joint of pipes or tubes, and evaluating fastening state of threaded joint of pipes or tubes
Patent Packs
03/22/12Ultrasonic testing system
03/22/12Ultrasonic testing pipe or tube end portion
03/22/12Pneumatic disc brake device for railway rolling stock
03/22/12Cooling apparatus, cooling method, manufacturing apparatus and manufacturing hot-rolled steel sheet
03/01/12Method for producing seamless tubes
02/23/12Method for manufacturing seamless pipes
02/16/12Method for producing ultrathin-wall seamless metal tube by cold rolling method
02/09/12Stainless steel for oil well, stainless steel pipe for oil well, and manufacturing stainless steel for oil well
02/09/12Method for producing high-strength cr-ni alloy seamless pipe
02/09/12Carburization sensing method
02/09/12Apparatus and applying a lubricant to a threaded portion of a steel pipe
02/02/12Threaded joint for pipes
01/26/12Method for producing seamless steel tube and production facility therefor
01/26/12Two-dimensional code reading device, two-dimensional code reading method, controlling manufacturing history information of member having substantially circular section orthogonal to the central axis thereof, and manufacturing the member using the control method
01/19/12Method for continuous casting of steel and electromagnetic stirrer to be used therefor
Patent Packs
01/19/12Hollow member
01/12/12Bent metal member and a its manufacture
01/05/12Austenitic stainless steel
01/05/12Hollow member and an its manufacture
12/29/11Titanium alloys and manufacturing titanium alloy materials
12/22/11Method for manufacturing metal pipe
12/08/11Method for producing seamless steel pipe for oil wells excellent in sulfide stress cracking resistance
12/01/11Method for producing duplex stainless steel pipe
11/24/11Pipe end shape correcting uoe metal pipe
11/24/11Ultrasonic testing method and apparatus
11/24/11Carbonitrided part and process for producing carbonitrided part
11/10/11Method for producing seamless metallic tube by cold rolling
10/20/11Method for producing high alloy pipe
10/13/11Stainless steel sheet for a separator for a solid polymer fuel cell and a solid polymer fuel cell employing the separator
10/13/11Seamless steel pipe and manufacturing the same
10/06/11Method and ultrasonic testing of weld zones
10/06/11Sealed tubular connection used in the oil industry, and producing said connection
10/06/11Titanium material and producing titanium material
09/29/11Method of producing ultrathin-wall seamless metal tube using floating plug
09/29/11Method for producing threaded joint
09/29/11Nickel based alloy
09/22/11High-strength stainless steel pipe excellent in sulfide stress cracking resistance and high-temperature carbonic-acid gas corrosion resistance
09/15/11Upper-end formed glass complex for hot expanding piercing and manufacturing billet for hot extrusion pipe making
09/15/11Ni-base heat resistant alloy
09/08/11Brake disc for railway vehicle
09/01/11Method of producing steel for steel pipe excellent in sour-resistance performance
08/25/11Inspection gauge for a self-locking threading of a tubular connection used in the oil industry
08/18/11Method of manufacturing a silicon carbide single crystal
08/18/11Welding material and welded joint structure
08/04/11Steel pipe with excellent expandability and producing the same
Social Network Patent Pack
07/28/11High-strength ni-based alloy tube for nuclear power use and manufacturing the same
07/21/11Elongation rolling control method
07/21/11Elongation rolling control method
07/07/11Method of producing cold-rolled steel sheet
07/07/11Threaded joint for steel pipes
07/07/11Magnetic testing method and magnetic testing apparatus
06/30/11Material determining steel product and material determining steel product
06/30/11Stainless steel material for a separator of a solid polymer fuel cell and a solid polymer fuel cell using the separator
06/23/11Dimension measuring device for long material
06/23/11Two-axle truck for a railway car and a railway car
Patent Packs
06/23/11Chemical conversion treatment liquid
05/26/11Air cooling equipment for heat treatment process for martensitic stainless steel pipe or tube
05/19/11Ultrasonic testing method and equipment therefor
04/21/11Ultrasonic testing method and equipment therefor
04/21/11Austenitic heat resistant alloy, heat resistant pressure member comprising the alloy, and manufacturing the same member
03/31/11High-strength cold-rolled steel sheet, high-strength plated steel sheet, and methods for their manufacture
03/24/11Process for producing high-alloy seamless tube
03/24/11Method of manufacturing martensitic stainless steel
03/24/11High-strength uoe steel pipe excellent in deformability and low-temperature toughness of heat affected zone
03/17/11Austenitic stainless steel for hydrogen gas and a its manufacture
03/17/11Scale removing method and scale removing apparatus
03/10/11Method for producing seamless pipe and determining length of billet for use in producing seamless pipe
03/10/11Ni-cr alloy material
02/24/11Rotary cutting tool, cutting billet for manufacturing seamless pipe or tube, and manufacturing seamless pipe or tube
02/24/11Non-oriented electrical steel sheet and production process thereof
02/17/11Method for continuous casting of steel and electromagnetic stirrer to be used therefor
02/17/11Fatigue resistant pipe string component
02/03/11Method for producing seamless pipe
02/03/11Method for producing high-alloy seamless steel pipe
02/03/11Method for producing two-phase stainless steel pipe
01/27/11Titanium plate and producing the same
01/20/11Stainless steel used for oil country tubular goods
01/13/11Lubricant for hot forming
12/02/10Threaded connection comprising at least one threaded element with an end lip for a metal tube
11/11/10Sealed threaded tubular connection which is resistant to successive pressure loads
10/28/10Mandrel bar cleaning facility
10/21/10Lubricant for hot working and producing seamless steel pipe
09/23/10Heavy wall seamless steel pipe for line pipe and a manufacturing method thereof
08/12/10Tubular threaded member with dry protection coating
07/08/10Plug for cold drawing and manufacturing of metal pipe
Patent Packs
07/08/10Threaded element of a component with opposed threading portions and corresponding tubular threaded connection
07/01/10Lubricating composition with an adaptable coefficient of friction, for a threaded element of a component of a tubular threaded joint
07/01/10Austenitic heat resistant alloy
07/01/10Steel pipe for fuel injection pipe and manufacturing method therefor
06/24/10Continuous heat treatment furnace and utilizing the same, metal tube and heat treatment method
06/17/10Eddy current testing method and eddy current testing apparatus
06/10/10Method for cr-plating of mandrel bars, the mandrel bar, and process for producing seamless tubes using the method and the mandrel bar
06/03/10Cold working lubricant and cold working steel pipe
06/03/10Eddy current testing method, steel pipe or tube tested by the eddy current testing method, and eddy current testing carrying out the eddy current testing method
04/29/10Threaded tubular connection which is leak-proof under internal and external successive pressure loads
03/04/10Piercing and rolling plug, regenerating such piercing and rolling plug, and equipment line for regenerating such piercing and rolling plug
03/04/10Case hardening steel tube having improved workability and a process for its manufacture
01/28/10Method of manufacturing plug used to pierce and roll metal material, manufacturing metal pipe and plug used to pierce and roll metal material
01/07/10Welded component comprising seamless bent pipe and seamless straight pipe sections and methods of manufacturing thereof
12/10/09Lubricant composition for hot metal working and hot metal working using the same
12/10/09Steel for nitrocarburizing use, steel product for nitrocarburizing use and crankshaft
12/03/09Method for applying lubricant onto mandrel bar, controlling thickness of lubricant film on mandrel bar, and manufacturing seamless steel pipe
12/03/09High-tensile steel plate, welded steel pipe or tube, and methods of manufacturing thereof
11/19/09Low alloy steel for high-pressure hydrogen gas environment and container for high-pressure hydrogen
09/24/09Seamless steel tube for an airbag accumulator and process for its manufacture
Social Network Patent Pack
09/03/09Tubular threaded element provided with a dry protective coating
08/20/09Lubricant for hot metal working and powder lubricant composition for hot metal working
06/11/09Method for producing ultra thin wall metallic tube by cold rolling method
06/11/09Induction hardened hollow driving shaft
04/09/09Cold working lubricant and cold working steel pipe
04/02/09Process for producing seamless stainless steel pipe
03/26/09Steel pipe as fuel injection pipe
03/19/09Mandrel bar for high-alloy rolling, surface treating a mandrel bar, producing mandrel bar, and operating seamless pipe mill
03/12/09Process for producing stainless steel pipe
03/12/09Process for straightening tube and producing tube therewith
01/28/10Method of manufacturing plug used to pierce and roll metal material, manufacturing metal pipe and plug used to pierce and roll metal material
01/07/10Welded component comprising seamless bent pipe and seamless straight pipe sections and methods of manufacturing thereof







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