POSCO

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
C22C ALLOYS 1607
 
 
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 1264
 
 
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 7933
 
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM44113
 
 
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 3418
 
 
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 2667
 
 
 
C09D COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR 2468
 
 
 
B21B ROLLING OF METAL 1914
 
 
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 1767
 
 
 
C21B MANUFACTURE OF IRON OR STEEL 1310

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0073,097 STEEL FOR PIPES HAVING HIGH FATIGUE RESISTANCE, METHOD OF MANUFACTURING THE SAME, AND WELDED STEEL PIPE USING THE SAMESep 11, 17Mar 15, 18[C22C, C21D]
2018/0010,206 GRAIN-ORIENTED ELECTRICAL STEEL PLATE AND PRODUCTION METHOD THEREFORDec 21, 15Jan 11, 18[C23C, C22C, C21D]
2018/0010,225 APPARATUS FOR REMOVING TOP DROSS OF PLATING POTDec 21, 15Jan 11, 18[C23C]
2018/0002,771 HIGH-STRENGTH COLD ROLLED STEEL SHEET WITH LOW MATERIAL NON-UNIFORMITY AND EXCELLENT FORMABILITY, HOT DIPPED GALVANIZED STEEL SHEET, AND MANUFACTURING METHOD THEREFORMay 08, 15Jan 04, 18[C23C, C22C, C21D]
2018/0002,772 GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFORDec 18, 15Jan 04, 18[H01F, C22C, C21D]
2018/0002,790 HIGH STRENGTH GALVANIZED STEEL SHEET HAVING EXCELLENT SURFACE QUALITIES, PLATING ADHESION, AND FORMABILITY, AND METHOD FOR MANUFACTURING SAMEDec 23, 15Jan 04, 18[C23C, C21D, C22C]
2017/0369,959 ORIENTED ELECTRICAL STEEL SHEET WITH EXCELLENT MAGNETIC PROPERTIES AND METHOD FOR MANUFACTURING SAMEDec 21, 15Dec 28, 17[C23C, C22C, C21D]
2017/0369,960 GRAIN-ORIENTED ELECTRICAL STEEL PLATE AND MANUFACTURING METHOD THEREOFDec 21, 15Dec 28, 17[C23C, B23K, C21D]
2017/0362,675 STEEL FOR LOW-TEMPERATURE SERVICE HAVING EXCELLENT SURFACE PROCESSING QUALITY AND METHOD FOR MANUFACTURING SAMEDec 11, 15Dec 21, 17[C22C, C21D]
2017/0362,676 NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING THE SAMEDec 21, 15Dec 21, 17[C22C, C21D]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9896750 Steel wire rod having high strength and ductility and method for producing sameDec 28, 12Feb 20, 18[B21C, C21D, C22C]
9878961 Nickel-M-alumina xerogel catalyst, method for preparing the same, and method for preparing methane using the catalystDec 28, 11Jan 30, 18[C07C, B01J]
9873242 Method for preparing continuous carbon fiber-reinforced thermoplastic prepregDec 24, 13Jan 23, 18[C08J, B29K, B32B, B29C]
9869002 Method for manufacturing duplex stainless steel sheet having reduced inclusionsDec 08, 15Jan 16, 18[C22C, C21D, C21C, B22D]
9871259 Method for manufacturing composite ceramic materialJun 30, 16Jan 16, 18[C04B, C01G, H01M, B82Y]
9863014 Lance and operation method using the sameDec 16, 13Jan 09, 18[F27D, F23D, C21C]
9863113 Steel pipe socket and method of connecting steel pipe pile and steel pipe column using the sameDec 28, 12Jan 09, 18[F16B, E02D]
9856120 Transportation device and transportation system using sameDec 27, 12Jan 02, 18[B60P, B66C, B63B, B60G, B62D]
9856380 Surface treatment composition for galvanized steel sheet, surface treatment method for galvanized steel sheet, and galvanised steel sheetDec 28, 12Jan 02, 18[C23C, C09D, C25D, C22C]
9856542 Ferritic lightweight high-strength steel sheet having excellent stiffness and ductility, and method of manufacturing the sameDec 26, 12Jan 02, 18[B21C, B21B, C23C, B32B, C21D, C22C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0076,166 ELETROPLATING APPARATUS FOR PREVENTING EXCESSIVE PLATING OF EDGEAbandonedDec 12, 13Mar 17, 16[C25D]
2015/0344,800 COAL BRUQUETTE MANUFACTURING METHOD AND COAL BRUQUETTE MANUFACTURING APPARATUSAbandonedDec 12, 13Dec 03, 15[C10L]
2015/0298,190 MANDREL OF COIL BOXAbandonedNov 20, 13Oct 22, 15[B21C]
2015/0299,472 Organic-Inorganic Hybrid Coating Solution Composition and Organic-Inorganic Hybrid Coated Steel SheetAbandonedDec 27, 12Oct 22, 15[C09D]
2015/0266,519 High Manganese Steel Strips with Excellent Coatability and Superior Surface Property, Coated Steel Strips Using Steel Strips and Method for Manufacturing the Steel StripsAbandonedMar 02, 15Sep 24, 15[C23C, B32B, B62D, C22C, C25D, C21D]
2015/0251,216 Magnesium Alloy with Dense Surface Texture and Surface Treatment Method ThereofAbandonedMay 20, 15Sep 10, 15[B05D]
2015/0211,088 NON-MAGNETIC HIGH MANGANESE STEEL SHEET WITH HIGH STRENGTH AND MANUFACTURING METHOD THEREOFAbandonedDec 20, 12Jul 30, 15[C22C, C21D]
2015/0174,647 Method of Manufacturing Ti-Containing Austenitic Stainless Steel Sheet by Twin Roll Strip CasterAbandonedDec 15, 14Jun 25, 15[B22D]
2015/0174,648 Method of Manufacturing Thin Martensitic Stainless Steel Sheet Using Strip Caster with Twin Rolls and Thin Martensitic Stainless Steel Sheet Manufactured by the SameAbandonedDec 17, 14Jun 25, 15[C22C, B22D]
2015/0040,636 WIRE ROD AND STEEL WIRE FOR SPRINGS HAVING HIGH CORROSION RESISTANCE, METHOD OF MANUFACTURING STEEL WIRE FOR SPRINGS, AND METHOD OF MANUFACTURING SPRINGSAbandonedDec 20, 12Feb 12, 15[B21C, C22C]
2014/0377,453 Insulating Adhesive Composition for Metal-Based Copper Clad Laminate (MCCL), Coated Metal Plate Using Same, and Method for Manufacturing SameAbandonedDec 21, 12Dec 25, 14[C09J, H05K]
2014/0363,697 HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET HAVING EXCELLENT PLATING SURFACE QUALITY AND ADHESION, AND METHOD OF MANUFACTURING THE SAMEAbandonedDec 27, 12Dec 11, 14[C23C, C22C]
2014/0360,882 HIGH SPEED HORIZONTAL ELECTROFORMING APPARATUS FOR MANUFACTURING METAL FOIL AND METHOD FOR MANUFACTURING METAL FOILAbandonedNov 15, 12Dec 11, 14[C25D]
2014/0356,220 WEAR RESISTANT AUSTENITIC STEEL HAVING SUPERIOR MACHINABILITY AND DUCTILITY, AND METHOD FOR PRODUCING SAMEAbandonedDec 27, 12Dec 04, 14[B21B, C22C]
2014/0322,633 SOLID OXIDE FUEL CELL COMPRISING REACTION PREVENTING LAYER AND METHOD FOR MANUFACTURING SAMEAbandonedDec 09, 11Oct 30, 14[H01M]
2014/0308,156 STEEL SHEET FOR WARM PRESS FORMING, WARM-PRESSED MEMBER, AND MANUFACTURING METHODS THEREOFAbandonedNov 05, 12Oct 16, 14[B21B, C21D, C22C]
2014/0158,259 Method of Manufacturing a Steel Plate for Linepipe having Ultra-High Strength and Excellent Low Temperature ToughnessAbandonedAug 12, 13Jun 12, 14[C21D]
2014/0150,934 WIRE ROD HAVING SUPERIOR HYDROGEN DELAYED FRACTURE RESISTANCE, METHOD FOR MANUFACTURING SAME, HIGH STRENGTH BOLT USING SAME AND METHOD FOR MANUFACTURING BOLTAbandonedMay 14, 12Jun 05, 14[C22C, C21D]
2014/0130,859 SOLAR CELL SUBSTRATE AND SOLAR CELL USING SAMEAbandonedJun 08, 12May 15, 14[H01L]
2014/0124,028 SOLAR CELL SUBSTRATE, METHOD FOR MANUFACTURING SAME, AND SOLAR CELL USING SAMEAbandonedJun 08, 12May 08, 14[H01L]

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