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Jfe Steel Corporation patents

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

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Date Jfe Steel Corporation patents (updated weekly) - BOOKMARK this page
03/23/17 new patent  Method for producing grain-oriented electrical steel sheet
03/16/17Ferritic stainless steel
03/16/17Ferritic stainless steel
03/09/17High-strength steel sheet and manufacturing high-strength steel sheet
03/02/17Stainless steel for fuel cell separators
02/23/17High-strength steel sheet for containers and producing the same
02/23/17High-strengh steel sheet and method sheet for manufacturing the same
02/16/17Method for manufacturing hot press forming part and hot press forming part
02/16/17Steel plate and producing same
02/16/17Method for producing high-strength galvanized steel sheet and high-strength galvannealed steel sheet (as amended)
02/09/17High-strength hot-dip galvanized steel sheet and producing the same
02/02/17Press forming method, and manufacturing press-formed part
02/02/17Ferritic stainless steel foil and producing the same (as amended)
02/02/17Method for producing a cold-rolled flat steel product with high yield strength and flat cold-rolled steel product
02/02/17Stainless-steel foil for separator of polymer electrolyte fuel cell
01/26/17Seamless steel tube for fuel injection
01/26/17High-strength cold-rolled steel sheet with excellent material homogeneity and production method therefor
01/26/17Steel material for highly deformable line pipes having superior strain aging resistance and superior hic resistance, manufacturing same, and welded steel pipe
01/26/17Steel material for highly deformable line pipes having superior strain aging resistance and superior hic resistance, manufacturing same, and welded steel pipe
01/26/17Surface inspection method, surface inspection device, manufacturing system, identifying defect formed area, and manufacturing steel pipe
01/19/17Press forming method and manufacturing pressed product as well as press forming apparatus
01/19/17Grain-oriented electrical steel sheet for low-noise transformer, and manufacturing said sheet
01/19/17Iron powder for iron powder cores and selecting iron powder for iron powder cores
01/12/17Resin-coated metal sheet for containers and manufacturing the same
01/12/17High-strength hot-rolled steel sheet and manufacturing the same (as amended)
01/12/17Method and measuring corrosion of mobile body
12/22/16Material for cold-rolled stainless steel sheet and production method therefor (as amended)
12/22/16High-strength cold-rolled steel sheet and manufacturing the same (as amended)
12/22/16Galvanized steel sheet and producing the same (as amended)
12/15/16High-strength steel sheet and manufacturing the same
12/15/16Steel sheet for crown cap, manufacturing same, and crown cap
12/15/16Method for controlling dew point of reduction furnace, and reduction furnace
12/15/16Stress corrosion crack test method in alcohol environment
12/08/16Press molding method, manufacturing press-molded component, and determining preform shape for use in said methods
12/08/16Resin-coated metal sheet for container and manufacturing the same
12/01/16Abrasion-resistant steel plate and manufacturing the same
12/01/16Non-oriented electrical steel sheet having excellent magnetic properties
11/24/16Cold rolling facility and cold rolling method
11/24/16Method for suppressing rear face oxidation of carbon-containing refractory, lining structure, and carbon-containing refractory
11/17/16Cold rolling apparatus
11/17/16Grain oriented electrical steel sheet and production method therefor
11/17/16Ferritic stainless steel and production method therefor
11/17/16Threaded joint for tube
11/10/16Method for operation of blast furnace
11/03/16High-strength galvanized steel sheet and manufacturing the same
11/03/16Method for producing grain-oriented electrical steel sheet
11/03/16Threaded joint for heavy-walled oil country tubular goods
10/27/16Steel plate and manufacturing same (as amended)
10/27/16High-strength steel sheet and producing the same (as amended)
10/20/16Iron powder for dust cores
10/20/16Method for producing high-strength galvannealed steel sheets
10/20/16Treatment solution for chromium-free tension coating, forming chromium-free tension coating, and grain oriented electrical steel sheet with chromium-free tension coating
10/13/16Bake- hardening galvanized steel sheet
10/06/16High-strength steel sheet and manufacturing the same
10/06/16Ferrite-martensite dual-phase stainless steel and manufacturing the same
10/06/16Hot-rolled steel sheet and manufacturing the same
10/06/16Method of manufacturing a steel sheet for containers
10/06/16Continuous annealing furnace for annealing steel strip, continuously annealing steel strip, continous hot-dip galvanizing facility, and manufacturing hot-dip galvanized steel strip
09/29/16Stainless steel sheet
09/22/16Resistance spot welding method
09/22/16Resistance spot welding method
09/22/16Grain oriented electrical steel sheet and manufacturing the same
09/15/16Method for production of two-piece can
09/15/16Friction stir welding high-strength steel sheets or plates
09/15/16Equipment line for manufacturing seamless steel tube or pipe and manufacturing high-strength stainless steel seamless tube or pipe for oil wells using the equipment line
Patent Packs
09/15/16Continuous annealing system and continuous annealing method
09/08/16Laminated metal sheet for containers, producing metal can, and evaluating formability of metal sheet (as amended)
09/08/16High-strength hot-rolled steel sheet and producing the same
09/08/16Grain-oriented electrical steel sheet having excellent magnetic characteristics and coating adhesion
09/01/16Indirect spot welding apparatus
08/25/16Method of producing polygonal closed cross-section structural component with a curved form and polygonal closed cross-section structural component produced by the method
08/25/16Method of sheet forming
08/25/16Steel material having excellent alcohol-induced pitting corrosion resistance and alcohol-induced scc resistance
08/18/16Equipment line for manufacturing heavy-walled steel products
08/18/16Resistance spot welding method
08/18/16Stainless steel foil for separators of polymer electrolyte fuel cells
08/11/16Friction stir welding structural steel and manufacturing joint for structural steel
08/11/16Electromagnetic steel sheet with insulating coating film, producing same, and coating agent that forms the insulating coating film
08/11/16Grain-oriented electrical steel sheet and manufacturing same (as amended)
08/11/16Hot-dip galvanized steel sheets and galvannealed steel sheets that have good appearance and adhesion to coating and methods for producing the same (as amended)
Patent Packs
08/04/16Friction stir welding steel sheets and manufacturing joint
08/04/16Steel for spring, and producing spring
08/04/16Hot-dip galvanized steel sheets and galvannealed steel sheets that have good appearance and adhesion to coating and methods for producing the same (as amended)
07/28/16Alloy steel powder for powder metallurgy and producing iron-based sintered body
07/28/16Friction stir welding steel sheets and manufacturing joint
07/28/16High-strength galvanized steel sheet and manufacturing the same
07/28/16Method of manufacturing a high-strength stainless steel pipe and a high-strength stainless steel pipe
07/21/16Mechanical structural component and manufacturing same
07/21/16Method for operating a blast furnace
07/21/16Method of manufacturing hot press formed part, and hot press formed part
07/14/16Laser beam welding diagnosis apparatus and laser beam welding diagnosis method
07/14/16Non-oriented electrical steel sheet and hot rolled steel sheet thereof
07/14/16Non-oriented electrical steel sheet having high magnetic flux density and motor
07/07/16Method of producing high-strength hot-dip galvanized steel sheet and producing high-strength galvannealed steel sheet
07/07/16Method of producing grain oriented electrical steel sheet
06/30/16High strength steel sheet having high young's modulus and manufacturing the same
06/30/16High strength steel sheet having high young's modulus and manufacturing the same
06/23/16High-strength cold-rolled steel sheet and manufacturing the same
06/23/16High-strength cold-rolled steel sheet and manufacturing the same
06/23/16High-yield-ratio, high-strength cold rolled steel sheet and production method therefor
06/23/16Threaded joint for oil country tubular goods
06/23/16Grain oriented electrical steel sheet and manufacturing the same
06/16/16Method of cutting and removing adhesive matter at end of cuboid metal material and removal apparatus
06/16/16Ferritic stainless steel having excellent corrosion resistance of weld zone
06/16/16Iron-based amorphous alloy thin strip
06/09/16Press forming method and manufacturing press-formed part
06/09/16Hot-pressed member and manufacturing the same
06/09/16Steel sheet for can and manufacturing the same
06/09/16High-strength galvanized steel sheet having excellent formability and crashworthiness and manufacturing the same
06/09/16Method for forming blank and determining preforming shape
Social Network Patent Pack
06/09/16Ferritic stainless steel foil
06/09/16Grain oriented electrical steel sheet and manufacturing the same
06/02/16Method of manufacturing hot-pressed member
06/02/16Mixed powder for powder metallurgy, manufacturing same, and manufacturing iron-based powder sintered body
06/02/16Method of detecting abnormality at blast furnace and operating blast furnace
06/02/16Heavy wall electric resistance welded steel pipe for line pipe and manufacturing the same (as amended)
05/26/16Indirect spot welding method
05/26/16Steel sheet for hot press-forming (as amended)
05/26/16High-carbon hot-rolled steel sheet and producing the same
05/26/16High-carbon hot-rolled steel sheet and manufacturing the same
Patent Packs
05/26/16Method of producing steel material
05/26/16Abnormality detection method and blast furnace operation method
05/19/16Alloy steel powder for powder metallurgy and producing iron-based sintered body
05/19/16Blast furnace operation method
05/19/16High strength hot rolled steel sheet and manufacturing the same
05/19/16High strength hot rolled steel sheet having tensile strength of 780 mpa or more
05/12/16Threaded joint for oil country tubular goods (as amended)
05/12/16Grain-oriented electrical steel sheet and transformer iron core using same
05/05/16Method of press forming and press forming apparatus
05/05/16Threaded joint for oil country tubular goods
04/28/16Finish heat treatment method and finish heat treatment iron powder
04/21/16Electrical steel sheet provided with insulating coating
04/14/16Grain oriented electrical steel sheet and manufacturing the same
04/14/16Method for manufacturing high-strength galvannealed steel sheet
03/24/16High-strength steel sheet and producing the same
03/24/16Pearlitic rail and manufacturing pearlitic rail
03/24/16Method for evaluating weathering degree of coal, evaluating coking property of weathered coal, controlling weathering degree of coal, and producing coke (as amended)
03/17/16High strength hot rolled steel sheet and manufacturing the same (as amended)
03/17/16Non-oriented electrical steel sheet having an excellent high-frequency iron loss property
03/10/16High-strength hot-rolled steel sheet and producing the same (as amended)
03/03/16High strength hot-rolled steel sheet and producing the same
03/03/16Case hardening steel
03/03/16Steel structure for hydrogen gas, mehtod for producing hydrogen storage tank, and producing hydrogen line pipe (as amended)
03/03/16Ferritic stainless steel foil for solar cell
02/25/16Blast furnace operation method
02/25/16Steel plate for thick-walled steel pipe, manufacturing the same, and thick-walled high-strength steel pipe (as amended)
02/25/16Steel material, hydrogen container, producing the steel material, and producing the hydrogen container (as amended)
02/25/16Ultrasonic flaw detection method and ultrasonic flaw detection apparatus
02/18/16Open-pipe weld shielding system for electric resistance welded steel pipe or tube
02/18/16Indirect spot welding method
Patent Packs
02/18/16High-strength galvanized steel sheet and manufacturing the same (as amended)
02/18/16Aluminum-zinc-coated steel sheet (as amended)
02/18/16High-strength galvannealed steel sheet and manufacturing the same (as amended)
02/18/16Ferritic stainless steel foil for solar cell substrate
02/11/16Blast furnace operation method and lance
02/11/16Rail manufacturing method and manufacturing equipment
02/11/16Thick steel sheet having excellent ctod properties in multilayer welded joints, and manufacturing thick steel sheet
02/11/16Non-oriented electrical steel sheet having excellent magnetic properties (as amended)
02/04/16Coating device and coating method
02/04/16Steel sheet for nitriding and production method therefor
01/28/16Method for manufacturing galvanized steel sheet (as amended)
01/21/16Thick steel sheet having excellent ctod properties in multilayer welded joints, and manufacturing thick steel sheet
01/21/16Hot-rolled steel sheet and producing the same (as amended)
01/21/16High-strength galvanized steel sheet and production method therefor
01/21/16High strength galvanized steel sheet having excellent bendability and weldability, and manufacturing the same
01/21/16Method for producing grain-oriented electrical steel sheet
01/21/16Non-oriented electrical steel sheet having excellent high-frequency iron loss property
01/21/16Thermoelectric power generation device and thermoelectric power generation method using the same
01/21/16Thermoelectric power generation device and thermoelectric power generation method
01/14/16Resistance spot welding method
Social Network Patent Pack
01/14/16Resistance spot welding system
01/14/16Laminated metal sheet for two-piece can and two-piece laminated can body (as amended)
01/14/16Thick, tough, high tensile strength steel plate and production method therefor
01/14/16Thick steel plate and production thick steel plate
01/14/16Method for producing grain-oriented electrical steel sheet (as amended)
01/14/16Method for producing grain-oriented electrical steel sheet (as amended)
01/07/16High-strength steel sheet and production method therefor and high-strength galvanized steel sheet and production method therefor (as amended)
01/07/16Process of manufacturing high-strength cold rolled steel sheets
01/07/16Method and device for analysis of shape optimization
12/31/15Closed structure parts, method and press forming manufacturing the same
12/31/15Roll outer layer material, and composite roll for hot rolling
12/31/15Method of analyzing press forming
12/24/15Method and device for nitriding grain-oriented electrical steel sheet
12/24/15Method and facility for manufacturing seamless steel pipe with excellent toughness
12/24/15Hot-rolled steel sheet for high strength linepipe
12/24/15Hot-rolled steel sheet for high strength linepipe having tensile strength of 540 mpa or more
12/24/15High-strength hot-rolled steel sheet and manufacturing the same
12/24/15High-strength hot-rolled steel sheet and manufacturing the same
12/24/15High-strength hot-rolled steel sheet and manufacturing the same (as amended)
12/24/15Electric resistance welded steel pipe
Social Network Patent Pack
12/24/15Threaded joint for steel pipes
12/24/15Stress-strain relation simulation method, springback-amount prediction method, and springback analyzer
12/24/15Iron powder for dust core and insulation-coated iron powder for dust core
12/17/15Method for manufacturing metal component with three-dimensional edge and die sets for manufacturing the same
12/17/15Continuous annealing device and continuous hot-dip galvanising device for steel strip
12/17/15Continuous annealing device and continuous hot-dip galvanising device for steel strip
12/17/15Hot-dip al-zn alloy coated steel sheet and producing same
12/17/15Apparatus and nitriding grain-oriented electrical steel sheet
12/17/15Iron powder for dust core
12/10/15Stainless steel seamless pipe for oil well use and manufacturing the same (as amended)
12/10/15Steel sheet for soft-nitriding and manufacturing the same
12/10/15Apparatus and nitriding grain-oriented electrical steel sheet
12/10/15Method and analysis of shape optimization
12/10/15Method for producing semi-processed non-oriented electrical steel sheet having excellent magnetic properties
12/03/15Hot rolled steel sheet and manufacturing the same
12/03/15Hot-rolled steel sheet for producing non-oriented electrical steel sheet and producing same
11/26/15Steel sheet for hot press-forming, hot press-formed part, and producing hot press-formed part
11/26/15Hot dip galvanized steel sheet
11/26/15Hot-dip al-zn alloy coated steel sheet and producing same
11/19/15Metal strip
11/19/15Circumferential welded joint of line pipe, forming circumferential welded joint of line pipe, and line pipe
11/19/15Method of manufacturing grain oriented electrical steel sheet
11/12/15Method for adjusting furnace atmosphere in continuous annealing furnace (as amended)
11/12/15High strength cold rolled steel sheet with low yield ratio and manufacturing the same
11/05/15Iron-based powder for powder metallurgy
11/05/15Welded can body, welded can, manufacturing welded can body, and manufacturing welded can
11/05/15Heat treatment equipment line for seamless steel tube or pipe, and manufacturing high strength stainless steel tube or pipe
11/05/15High-strength stainless steel seamless tube or pipe for oil country tubular goods, and manufacturing the same
11/05/15Facility and continuously manufacturing hot-dip galvanized steel sheet
11/05/15Method for manufacturing galvanized steel sheet
Social Network Patent Pack
11/05/15Grain-oriented electrical steel sheet
11/05/15Production grain-oriented electrical steel sheet and primary recrystallized steel sheet for production of grain-oriented electrical steel sheet
11/05/15Production grain-oriented electrical steel sheet and primary recrystallized steel sheet for production of grain-oriented electrical steel sheet
10/29/15Steel-sheet snaking preventing device and steel-sheet snaking preventing vertical looper
10/29/15Submerged arc welding steel plate
10/29/15Coke manufacturing method
10/29/15Steel material having excellent alcohol-induced pitting corrosion resistance and alcohol-induced scc resistance
10/29/15Coke extrusion force estimation method and coke oven repairing method
10/29/15Grain-oriented electrical steel sheet and manufacturing the same (as amended)
10/22/15Press forming method
10/22/15Analyzing optimizing welding position of structure
10/22/15Production grain-oriented electrical steel sheet
10/22/15Steel sheet for soft-nitriding and manufacturing the same
10/22/15Stainless steel sheet and stainless steel foil
10/22/15Gaseous fuel supply sintering machine
10/22/15Shape optimization analyzing method and apparatus therefor
10/15/15Press forming method
10/15/15Hot rolled steel sheet for square column for building structural members and manufacturing the same
10/15/15Stainless steel-clad steel plate having exceptional corrosion resistance to seawater
10/15/15Method and measuring dynamic panel stiffness of outer panel for automobile parts
10/15/15Method for specifying stretch flange limit strain and determining feasibility of press forming
10/01/15Vehicle collision energy absorbing member and manufacturing same
10/01/15High-carbon steel tube having superior cold workability, machinability, and hardenability and manufacturing the same
10/01/15Ferritic stainless steel and manufacturing the same
09/24/15Method of manufacturing grain-oriented electrical steel sheet exhibiting low iron loss
09/24/15Hot-rolled steel sheet for production of non-oriented electrical steel sheet and manufacturing same
09/17/15Continuous casting mold and continuous casting of steel
09/10/15Electric resistance welded steel pipe or steel tube having excellent hic resistance and low-temperature toughness in electric resistance welded part, and manufacturing the same
09/10/15Cold-rolled steel sheet with excellent shape fixability and manufacturing the same







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