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Posco
Posco Led Company Ltd
Posco Energy Co Ltd
Posco Ict Co Ltd
Posco Chemtech Co Ltd
Posco Es Materials Co Ltd
Posco Ict Company Ltd
Posco Co Ltd
Posco_20131212
Posco_20100128
Posco Engineering x26 Construction Co Ltd
Posco Tmc Co Ltd
Posco Es Materials Co Ltd_20131212
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Posco patents

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

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Date Posco patents (updated weekly) - BOOKMARK this page
06/22/17 new patent  Edge dam of twin roll type strip caster
06/22/17 new patent  Argon oxygen decarburization refining molten austenitic stainless steel
06/22/17 new patent  Induction heatable stainless steel sheet having excellent corrosion resistance and manufacturing the same
06/15/17Metal fiber manufacturing system
06/15/17Attachable high-mn steel brake disk
06/08/17Cutting apparatus and cutting method
05/18/17Expandable high-strength steel material and expanded high-strength steel pipe having superior expandability and collapse resistance, and methods for manufacturing thereof
05/11/17Twin-roll strip caster and casting method using same
05/11/17Surface treatment method and casting roll manufactured by the same
04/27/17Apparatus and treating surface of strip casting twin roll
02/23/17High-strength cold rolled steel sheet having excellent ductility, hot-dip galvanized steel sheet and manufacturing same
02/16/17Carbon nanotube fiber and producing the same
02/09/17Solid oxide fuel cell comprising reaction preventing layer and manufacturing same
02/02/17Plated steel sheet for hot press forming having excellent weldability and corrosion resistance, forming member, and manufacturing method thereof
01/05/17Ultrahigh-strength steel for welding structure with excellent toughness in welding heat-affected zones thereof, and manufacturing same
01/05/17Ferritic lightweight steel sheet having excellent strength and ductility and manufacturing the same
01/05/17Steel sheet for hot press forming with excellent corrosion resistance and weldability, forming member, and manufacturing method therefor
01/05/17Cooling plated steel sheet
12/29/16Composition for non-oriented electrical steel sheet, manufacturing non-oriented electrical steel sheet product, and non-oriented electrical steel sheet product
12/29/16Hot press formed article having excellent delamination resistance and manufacturing the same
12/29/16Method of fabricating a solid oxide fuel cell
12/22/16Slab scarfing controlling the same
12/15/16Hot press forming parts having excellent bending properties and manufacturing the same
12/15/16Hot press formed parts having excellent powdering resistance during hot press forming, and manufacturing the same
12/08/16Apparatus for continuous annealing of strip and continuous annealing of same
12/08/16Method of manufacturing zn-mg alloy-coated steel sheet with excellent blackening resistance and excellent adhesion
12/08/16Metal encapsulant having good heat dissipation properties, manufacturing same, and flexible electronic device encapsulated in said metal encapsulant
12/01/16Quenched steel sheet having excellent strength and ductility and manufacturing same
11/24/16Continuous casting and rolling apparatus and method
11/24/16Hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having improved hole expansion ratio, and manufacturing methods thereof
11/10/16Noncovalent bond-modified carbon structure, and carbon structure/polymer composite comprising same
11/10/16Magnesium-aluminum coated steel sheet and manufacturing method thereof
11/10/16Surface-treated substrate and substrate surface treatment same
11/10/16Substrate treated with color development, and substrate color development treatment same
11/10/16Color-treated base material and base material color treatment method therefor
11/10/16Method for manufacturing composite ceramic material
11/03/16Rolling apparatus, continuous casting and rolling apparatus and method
11/03/16Continuous casting and rolling apparatus and method
11/03/16Apparatus and trimming a side of steel plate
11/03/16Welding material for heat resistant steel
11/03/16Soft high-silicon steel sheet and manufacturing method thereof
11/03/16High specific strength steel sheet and manufacturing same
11/03/16Steel for low-temperature service having excellent surface processing quality
11/03/16Ultrahigh-strength gas metal arc welded joint having excellent impact toughness, and solid wire for producing same
11/03/16Hot dip galvanized steel sheet having excellent resistance to cracking due to liquid metal embrittlement
11/03/16Color-treated base material and base material color treatment method therefor
11/03/16Substrate treated with color development, and substrate color development treatment same
11/03/16Fluid storage tank
11/03/16Apparatus for simultaneously measuring whiteness and coating amount
11/03/16Apparatus and ultrasonic detection to detect flaws of steel plate
11/03/16Non-oriented electrical steel sheet and manufacturing method therefor
11/03/16Coating agent for electrical steel sheet, manufacturing method therefor and electrical steel sheet coating method using same
10/27/16Steel sheet for hot press formed product having superior bendability and ultra-high strength, hot press formed product using same, and manufacturing same
10/27/16Lightweight steel sheet having excellent strength and ductility and manufacturing same
10/27/16Steel having excellent weldability and impact toughness of welding zone
10/27/16Heating apparatus and coating machine having same
10/27/16Apparatus and detecting defect of steel plate
10/13/16Molten steel treatment apparatus and molten steel treatment method
09/29/16Powder manufacturing apparatus and powder forming method
09/29/16Flux-cored arc welding material having remarkable impact resistance and abrasion resistance
09/22/16Welded joint of extremely low-temperature steel, and welding materials for preparing same
09/22/16High strength welding joint having excellent impact toughness at very low temperature, and flux-cored arc welding wire therefor
09/22/16Welding joint having remarkable impact resistance and abrasion resistance
09/22/16Welding material for submerged arc welding and gas metal arc welding, having remarkable impact resistance and abrasion resistance
08/25/16High manganese steel sheet having high strength and excellent vibration-proof properties and manufacturing same
Patent Packs
08/25/16Platelet-type zirconium phosphate and preparing same
07/28/16Steel for resistance to complex corrosion from hydrochloric acid and sulfuric acid, having excellent wear resistance and surface qualities, and manufacturing the same
07/07/16Grain-oriented electrical steel sheet, and manufacturing same
07/07/16Steel sheet coated with aluminum-magnesium, and manufacturing same
06/30/16Apparatus for manufacturing potassium compound and recovering potassium compound from brine
06/30/16Hot rolled steel sheet for oil country tubular goods, manufacturing the same and steel pipe manufactured using the same
06/30/16Molten iron refining thereof
06/30/16Hot dip galvanized and galvannealed steel sheet having excellent elongation properties, and manufacturing the same
06/30/16Ultrahigh-strength steel sheet and manufacturing method therefor
06/23/16Grain-oriented electrical steel sheet and manufacturing same
06/23/16Twin-roll strip caster, manufacturing thin duplex stainless steel sheet using the same and thin duplex stainless steel sheet
06/16/16Method for manufacturing duplex stainless steel sheet having high nitrogen content and good surface quality
06/16/16Method for manufacturing duplex stainless steel sheet having reduced inclusions
06/09/16Stainless steel for polymer fuel cell separator and preparing same
06/02/16Hot-rolled steel sheet having excellent workability and anti-aging properties and manufacturing same
Patent Packs
05/12/16Grain-oriented electric steel sheet having superior magnetic property
05/12/16Device for preparing core-shell particles and preparing core-shell particles by using same
05/05/16Method for manufacturing electrical steel sheet laminated core having reduced core loss and increased strength, and laminated core produced by the same
04/14/16Production plated steel sheet using a steel sheet annealing device
03/24/16Hot press forming device for coated steel and hot press forming method using same
03/17/16Eletroplating preventing excessive plating of edge
03/17/16Manufacturing lithium-titanium composite oxide in which different metals are doped, and lithium-titanium composite oxide manufactured thereby in which different metals are doped
03/10/16Method and surface treatment of roll
03/10/16High-carbon iron-based amorphous alloy using molten pig iron and manufacturing the same
02/25/16Wearable robot
02/25/16Molten manganese-containing steel production method, holding furnace, and molten manganese-containing steel production equipment using holding furnace
02/11/16High strength thin steel sheet for the superior press formability and surface quality and galvanized steel sheet and manufacturing the same
01/28/16Twin roll strip casting method
01/28/16Casting equipment and casting method using same
01/28/16Method for recycling iron-containing by-products discharged from coal-based molten ironmaking process, system therefor, and reduced iron agglomeration system
12/10/15Zn-mg alloy plated steel sheet, and manufacturing same
12/10/15High strength austenitic-based steel with remarkable toughness of welding heat-affected zone and preparation method therefor
12/03/15Structure for fixing motor vehicle roof module
12/03/15Surface-treated steel plate and production same
12/03/15Surface treatment composition for galvanized steel sheet, surface treatment galvanized steel sheet, and galvanised steel sheet
12/03/15Coal bruquette manufacturing method and coal bruquette manufacturing apparatus
12/03/15Lance and operation method using the same
12/03/15Fixed-type electric furnace and molten steel production method
12/03/15Heating apparatus, and coating device comprising same
12/03/15Ferritic stainless steel for automotive exhaust system, which have excellent corrosion resistance against condensate, moldability, and high-temperature oxidation resistance, and manufacturing same
12/03/15Molten iron manufacturing apparatus and molten iron manufacturing method
11/26/15Method for preparing continuous carbon fiber-reinforced thermoplastic prepreg
11/26/15Forward portion of vehicle body
11/26/15Grain oriented electrical steel sheet having excellent core loss, and manufacturing same
11/26/15Separator for fuel cell and full cell including the same
Social Network Patent Pack
11/19/15Graphene oxide, graphene-polymer complex, coating solution containing same, graphene-polymer coated steel sheet, and manufacturing thereof
11/19/15Method for manufacturing high manganese hot-dip galvanized steel sheet with excellent coatability and ultra-high strength, and high manganese hot-dip galvanized steel sheet manufactured by said method
11/19/15Phosphate solution for zinc or zinc-based alloy plated steel sheet, and zinc or zinc-based alloy plated steel sheet using the same
11/12/15High-manganese wear resistant steel having excellent weldability and manufacturing same
11/05/15Method for laser welding and welded metal using the same
11/05/15Super high-strength flux cored arc welded joint having excellent impact toughness, and welding wire for manufacturing same
11/05/15High strength steel sheet having excellent cryogenic temperature toughness and low yield ratio properties, and manufacturing same
11/05/15Hot-rolled stainless steel sheet having excellent hardness and low-temperature impact properties
11/05/15Apparatus and detecting inner defects of steel plate
10/29/15Shape-correcting and rolling method and shape-correcting device for high-strength steel
Patent Packs
10/29/15Zinc-plated steel sheet for hot pressing having outstanding surface characteristics, hot-pressed moulded parts obtained using the same, and a production the same
10/22/15Mandrel of coil box
10/22/15Organic-inorganic hybrid coating solution composition and organic-inorganic hybrid coated steel sheet
10/15/15Method for reusing iron-containing by-product and apparatus therefor
10/15/15Method for preparing of composition for metal surface-treatment, steel sheet surface treated with the composition, and manufacturing the steel sheet
09/24/15High manganese steel strips with excellent coatability and superior surface property, coated steel strips using steel strips and manufacturing the steel strips
09/24/15Impeller and melt-pool processing method using the same
09/24/15Low-alloy duplex stainless steel having outstanding corrosion resistance and hot working properties
09/10/15Magnesium alloy with dense surface texture and surface treatment method thereof
08/06/15Method for increasing coke-oven gas
08/06/15Ferritic lightweight high-strength steel sheet having excellent stiffness and ductility, and manufacturing the same
08/06/15Conversion coating composition, surface treated steel sheet, and manufacturing the same
07/30/15Non-magnetic high manganese steel sheet with high strength and manufacturing method thereof
07/30/15Uninterruptible power supply system
07/23/15Apparatus and predicting slab quality
07/16/15Method for extracting lithium from solution containing lithium
07/09/15Steel wire rod having high strength and ductility and producing same
06/25/15Method of manufacturing ti-containing austenitic stainless steel sheet by twin roll strip caster
06/25/15Method of manufacturing thin martensitic stainless steel sheet using strip caster with twin rolls and thin martensitic stainless steel sheet manufactured by the same
06/25/15Edge dam upper portion sealing twin roll strip caster
06/25/15Twin roll strip casting method
06/25/15Apparatus for preventing damage to casting rolls in strip casting machine
06/11/15Hot dip zinc alloy plated steel sheet having excellent corrosion resistance and external surface and manufacturing same
05/14/15Casting roll for twin-roll strip caster
05/14/15Method of manufacturing martensitic stainless steel sheet using twin roll strip caster
05/07/15High cleanliness molten steel production method and refining device
04/30/15Burning manufacturing reduced iron using the same
04/30/15Boron recovery apparatus, boron recovery method, and boron recovery system
04/23/15High carbon hot rolled steel sheet having excellent material uniformity and manufacturing same
04/23/15Transportation device and transportation system using same
Patent Packs
03/12/15Method for manufacturing lithium hydroxide and method using same for manufacturing lithium carbonate
02/12/15Wire rod and steel wire for springs having high corrosion resistance, manufacturing steel wire for springs, and manufacturing springs
01/29/15Zn-mg alloy-coated steel sheet with excellent blackening resistance and excellent adhesion and manufacturing same
01/22/15Austenitic steel having excellent machinability and ultra-low temperature toughness in weld heat-affected zone, and manufacturing the same
01/22/15Carbonation device and carbonation using the same
01/15/15Insulation coating composition for non-oriented electrical sheet, manufacturing the same, and non-oriented electrical sheet to which insulation coating composition is applied
01/01/15Non-oriented electrical steel sheet and manufacturing the same
12/25/14Wear resistant austenitic steel having superior machinability and toughness in weld heat affected zones thereof and producing same
12/25/14Electrical steel sheet and manufacturing the same
12/25/14Wheelbase for movable structure
12/25/14Insulating adhesive composition for metal-based copper clad laminate (mccl), coated metal plate using same, and manufacturing same
12/25/14High-manganese hot-rolled galvanized steel sheet and manufacturing method thereof
12/18/14High silicon steel sheet having excellent productivity and magnetic properties and manufacturing same
11/27/14Hot-dip galvanized steel sheet having excellent adhesiveness at ultra-low temperatures and method manufacturing the same
10/30/14Solid oxide fuel cell comprising reaction preventing layer and manufacturing same
06/12/14Method of manufacturing a steel plate for linepipe having ultra-high strength and excellent low temperature toughness
06/05/14Wire rod having superior hydrogen delayed fracture resistance, manufacturing same, high strength bolt using same and manufacturing bolt
05/29/14Resin composition for a surface treatment, and steel sheet coated with same
01/30/14Wire rod having good superior surface properties, high strength, and high toughness, and a manufacturing same
01/16/14Hot dipped galvanized steel sheet with excellent deep drawing properties and ultra-low temperature adhesive brittleness, and preparation method thereof
Social Network Patent Pack
01/16/14Method for preparing synthetic natural gas
01/09/14Film formation composition for preventing blackening of steel sheet, and steel sheet having film formed by composition
12/12/13Steel strip stabilizing apparatus
12/12/13Nanoplatelet-type zirconium phosphate and preparing same
11/28/13Nickel-m-alumina xerogel catalyst, preparing the same, and preparing methane using the catalyst
11/21/13Method for manufacturing grain-oriented electrical steel sheets having excellent magnetic properties
11/21/13Martensitic stainless steel highly resistant to corrosion, and manufacturing same
11/14/13Appratus and manufacturing a large-caliber product using hydroforming
11/07/13High-strength steel sheet having superior toughness at cryogenic temperatures, and manufacturing same
11/07/13Steel sheet for formed member having enhanced ductility, formed member, and manufacturing the formed member
11/07/13Austenitic, lightweight, high-strength steel sheet having high yield ratio and ductility, and producing the same
10/31/13Steel sheet for an oil sand slurry pipe having excellent abrasion resistance, corrosion resistance, and low-temperature toughness and manufacturing same
10/31/13Flux-cored arc welding wire for providing superior toughness and weldability to a welded joint at a low temperature, and welded joint using same
10/31/13Magnesium alloy with dense surface texture and surface treatment method thereof
10/31/13Plating method and zinc plating process
10/24/13Aluminum coated steel sheet having excellent oxidation resistance and heat resistance
10/24/13Fuel cell system and stack
10/24/13Unit cell of metal-supported solid oxide fuel cell, preparation method thereof, and solid oxide fuel cell stack using the unit cell
10/17/13Solid oxide fuel cell, fabricating the same, and tape casting fabricating anode
09/26/13Method for manufacturing a precipitation-hardening cold-rolled steel sheet having excellent yield ratios
Social Network Patent Pack
09/26/13Graphene-coated steel sheet, and manufacturing same
09/19/13Black resin steel plate having improved drawing ability and good glossiness and manufacturing the same
08/15/13Metal-coated steel sheet, galvannealed steel sheet, and manufacturing same
08/08/13Continuous coating apparatus
08/01/13Organic corrosion inhibitor-embedded polymer capsule, preparation method thereof, composition containing same, and surface treated steel sheet using same
07/25/13Dry coating apparatus
07/25/13Al plating layer/al-mg plating layer multi-layered structure alloy plated steel sheet having excellent plating adhesiveness and corrosion resistance, and manufacturing the same
07/25/13Vehicle seat structure
07/25/13Method for manufacturing a flexible electronic device using a roll-shaped motherboard, flexible electronic device, and flexible substrate
07/25/13Wire rod and steel wire having superior magnetic characteristics, and manufacturing same
07/18/13Apparatus for removing pollutant source from snout of galvanizing line
07/18/13Method of manufacturing iron-based powder
07/18/13High-carbon hot-rolled steel sheet, high-carbon cold-rolled steel sheet, and manufacturing the same
07/18/13Steel sheet for enamel having no surface defects and manufacturing the same
07/18/13Method of manufacturing multi physical properties part
07/18/13Grain-oriented electric steel sheet having superior magnetic property and manufacturing same
07/18/13High corrosion resistant hot dip zn alloy plated steel sheet and manufacturing the same
07/11/13High-strength steel material having outstanding ultra-low-temperature toughness and a production method therefor
07/11/13High-toughness cold-drawn non-heat-treated wire rod, and manufacturing same
07/11/13Underbody for electric vehicle
07/11/13Hot dip plated steel sheet having excellent plating adhesiveness and manufacturing the same
07/04/13Low iron loss high strength non-oriented electromagnetic steel sheet and manufacturing same
06/13/13High-carbon iron-based amorphous alloy using molten pig iron and manufacturing the same
06/06/13High carbon chromium bearing steel, and preparation method thereof
05/16/13Martensitic stainless steel and production method therefor
05/02/13Flexible electronic device, manufacturing same, and a flexible substrate
04/25/13Method for treating return ores using plasma
04/11/13Device for supporting molten metal container
04/04/13Descaling apparatus
02/28/13High-strength and high-toughness ultrafine wire rod and producing same
Social Network Patent Pack
12/20/12High-carbon martensitic stainless steel and production method therefor
11/22/12Hot press forming process of plated steel and hot press formed articles using the same
11/15/12Austenite steel material having superior ductility
11/15/12Surface treatment a substrate using denatured urushiol derived from toxicodendron vernicifluum
11/08/12Composite ceramic material and manufacturing the same
11/01/12Strip passing apparatus, treating surface of strip with the same, and treating surface of strip
10/25/12Zinc-plated steel sheet for hot pressing having outstanding surface characteristics, hot-pressed moulded parts obtained using the same, and a production the same
10/25/12Non-oriented electrical steel sheet having superior magnetic properties and a production method therefor
10/18/12Resin composition for pre-coated steel sheet having excellent welding properties, workability and corrosion resistance, and a production pre-coated steel sheet and steel sheet using the same
10/11/12Radiation curable resin composition, and fingerprint-resistant resin composition containing same
09/27/12Ferritic stainless steel and manufacturing the same
09/20/12Apparatus and controlling horizontal oscillation of an edge dam of a twin roll strip caster
09/20/12Martensitic stainless steel produced by a twin roll strip casting process and manufacturing same
09/13/12Ultra-high-strength steel wire having excellent resistance to delayed fracture and manufacturing method thereof
09/06/12Manufacturing carbon steel sheet superior in formability
07/12/12Apparatus for manufacturing reduced iron and manufacturing the same
07/05/12Method for manufacturing amorphous alloy by using liquid pig iron
06/07/12Bake-hardenable cold rolled steel sheet with superior strength, galvannealed steel sheet using the cold rolled steel and manufacturing the cold rolled steel sheet
05/17/12Non-heat treated rolled steel and drawn wire rod with excellent toughness, and manufacturing the same
04/26/12Hot-dip galvanized steel sheet having excellent plating qualities, plating adhesion and spot weldability and manufacturing method thereof
02/16/12High-strength, high-toughness steel wire rod, and manufacturing same
12/08/11Aluminum-plated steel sheet having superior corrosion resistance, hot press formed product using the same, and production thereof
10/27/11High strength steel plate for nuclear reactor containment vessel and manufacturing the same
10/27/11Fine spheroidized steel sheet with excellent heat treatment characteristic and manufacturing the same
10/20/11Steel sheet annealing device, device for producing plated steel sheet comprising the same, and production plated steel sheet using the same
10/20/11Resin composition for surface treatment of steel sheet and surface-treated steel sheet using the same
10/13/11Dies for shear drawing
10/13/11Surface decarburization-restrained steel and manufacturing method thereof
10/13/11Ultraviolet curable resin composition for transparent color-painted steel sheet, and steel sheet using same







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