NIPPON STEEL & SUMITOMO METAL CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C22C ALLOYS 5932
 
  
 
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 4542
 
  
 
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 2428
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM15937
 
  
 
B21B ROLLING OF METAL 1342
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 1333
 
  
 
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 10018
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL797
 
  
 
C25D PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING 667
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 549

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0071,801 METHOD FOR PRODUCING H-SHAPED STEEL AND H-SHAPED STEEL PRODUCTMar 10, 16Mar 15, 18[B21B]
2018/0071,869 GRAIN-ORIENTED ELECTRICAL STEEL SHEETApr 19, 16Mar 15, 18[B23K, H01F, C21D, C22C]
2018/0073,115 HOT-ROLLED STEEL SHEET, STEEL MATERIAL, AND METHOD FOR PRODUCING HOT-ROLLED STEEL SHEETApr 21, 16Mar 15, 18[C21D, C22C]
2018/0075,177 METHOD OF IDENTIFICATION OF CAUSE AND/OR LOCATION OF CAUSE OF OCCURRENCE OF SPRINGBACKAug 29, 17Mar 15, 18[G06F]
2018/0069,247 CATALYST-CARRIER CARBON MATERIAL, SOLID-POLYMER FUEL CELL CATALYST, SOLID-POLYMER FUEL CELL, AND METHOD FOR MANUFACTURING CATALYST-CARRIER CARBON MATERIALFeb 17, 16Mar 08, 18[H01M]
2018/0050,387 MOLD FOR CONTINUOUS CASTINGApr 08, 16Feb 22, 18[G01K, G01L, B22D]
2018/0053,948 SEPARATOR FOR POLYMER ELECTROLYTE FUEL CELL AND METHOD FOR PRODUCING THE SAMEFeb 09, 16Feb 22, 18[C23C, H01M, C23G, C23F, C21D, C22C]
2018/0044,749 HOT-ROLLED STEEL SHEETFeb 22, 16Feb 15, 18[C21D, C22C]
2018/0044,754 STEEL SHEET FOR HOT STAMPING AND METHOD FOR PRODUCING STEEL SHEET FOR HOT STAMPING, AND HOT STAMP FORMED BODYMar 29, 16Feb 15, 18[C23G, C21D, C23F, B21B, C22C]
2018/0044,757 AGE-HARDENING STEEL AND METHOD OF MANUFACTURING PARTS USING AGE-HARDENING STEELMar 17, 16Feb 15, 18[C21D, C22C]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9920407 Cold rolled steel sheet and method for producing cold rolled steel sheetJan 11, 13Mar 20, 18[C23C, C21D, C22C]
9914159 Method for producing plug for piercing-rollingMar 19, 13Mar 13, 18[C23C, B21B]
9914584 Three-piece resealable canMay 27, 13Mar 13, 18[C25D, B65D, B32B]
9915011 Low resistivity single crystal silicon carbide waferDec 01, 09Mar 13, 18[C30B, B32B]
9909198 Method for producing a low alloy steel for oil country tubular goods having excellent sulfide stress cracking resistanceNov 05, 12Mar 06, 18[F16L, C21D, C22C]
9901969 Tailored blank for hot stamping, hot stamped member, and methods for manufacturing sameMar 28, 13Feb 27, 18[B23K, B21D, C21D, C22C, B32B]
9902134 Metal foil for base material and producing method thereofNov 16, 11Feb 27, 18[C23C, H01L, B21D, B32B, C22C]
9902135 Galvanized steel sheet for hot formingAug 05, 13Feb 27, 18[C23C, B23B, C21D, B32B, C22C]
9902429 Automobile structural member and manufacturing method of the sameApr 04, 14Feb 27, 18[B23K, B62D]
9902435 Structural member for automotive bodySep 30, 14Feb 27, 18[B62D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0306,522 APPARATUS FOR PRODUCING SiC SINGLE CRYSTAL BY SOLUTION GROWTH PROCESS AND CRUCIBLE EMPLOYED THEREINAbandonedOct 13, 15Oct 26, 17[C30B]
2017/0298,533 METHOD FOR PRODUCING SiC SINGLE CRYSTAL AND APPARATUS FOR PRODUCING SiC SINGLE CRYSTALAbandonedOct 13, 15Oct 19, 17[C30B]
2017/0283,982 METHOD FOR PRODUCING P-TYPE SiC SINGLE CRYSTALAbandonedAug 31, 15Oct 05, 17[C30B]
2017/0226,658 APPARATUS FOR MANUFACTURING SiC SINGLE CRYSTAL AND METHOD OF MANUFACTURING SiC SINGLE CRYSTALAbandonedOct 07, 15Aug 10, 17[C30B]
2017/0067,183 METHOD OF MANUFACTURING SiC SINGLE CRYSTALAbandonedMar 12, 15Mar 09, 17[C23C, C30B]
2016/0273,126 METHOD FOR PRODUCING SiC SINGLE CRYSTALAbandonedNov 12, 14Sep 22, 16[C30B]
2016/0252,152 DAMPER DEVICEAbandonedOct 20, 14Sep 01, 16[B61F, F16F]
2016/0201,175 AGE-HARDENABLE STEELAbandonedOct 01, 14Jul 14, 16[C21D, C22C]
2016/0181,601 COMPOSITE PARTICLES, METHOD FOR MANUFACTURING SAME, ELECTRODE, AND NON-AQUEOUS ELECTROLYTE SECONDARY CELLAbandonedJul 04, 14Jun 23, 16[H01M]
2016/0155,554 OXIDE SUPERCONDUCTING BULK MAGNETAbandonedMay 14, 14Jun 02, 16[H01F]
2016/0060,744 CASE-HARDENING STEEL AND CASE-HARDENED STEEL MEMBERAbandonedApr 16, 14Mar 03, 16[C23C, C21D, C22C]
2016/0047,016 COPPER ALLOY POWDER, SINTERED COPPER ALLOY BODY, AND BRAKE LINING FOR USE IN HIGH-SPEED RAILWAYSAbandonedMar 24, 14Feb 18, 16[F16D, B22F, C22C]
9227237 Method and apparatus for manufacturing a bent memberWithdrawnDec 23, 11Jan 05, 16[B21D]
2015/0361,664 H-SECTION STEEL AND METHOD OF PRODUCING THE SAMEAbandonedApr 15, 14Dec 17, 15[E04C, C21D, C22C, B21B]
9150940 Alloyed hot-dip galvanized steel sheetWithdrawnSep 28, 12Oct 06, 15[C23C, C21D, B32B, B21B, C22C]
2015/0243,986 ELECTRODE ACTIVE MATERIAL, METHOD FOR PRODUCING ELECTRODE ACTIVE MATERIAL, ELECTRODE, BATTERY, AND METHOD FOR USING CLATHRATE COMPOUNDAbandonedSep 25, 13Aug 27, 15[H01M]
2015/0225,871 SiC SINGLE CRYSTAL PRODUCTION APPARATUS AND METHOD OF PRODUCING SiC SINGLE CRYSTALSAbandonedSep 02, 13Aug 13, 15[C30B]
2015/0225,872 SINGLE CRYSTAL PRODUCTION APPARATUS, CRUCIBLE FOR USE THEREIN, AND METHOD OF PRODUCING SINGLE CRYSTALAbandonedAug 30, 13Aug 13, 15[C30B]
2015/0211,087 STRESS-RELIEF HEAT TREATMENT APPARATUSAbandonedNov 01, 13Jul 30, 15[C21D]
2015/0197,835 FE-BASED METAL SHEET AND MANUFACTURING METHOD THEREOFAbandonedMar 26, 15Jul 16, 15[C22C, B32B]

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