JFE BARS & SHAPES CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
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 144
 
  
 
C22B PRODUCTION OR REFINING OF METALS 127
 
  
 
C22C ALLOYS 171
 
  
 
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 1100

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8691141 Low carbon resulfurized free cutting steelDec 09, 09Apr 08, 14[C22C]
7842119 Solidification product of dust generated during steel making and method for production thereofFeb 17, 06Nov 30, 10[C22B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0021,691 STEEL FOR VEHICLE SUSPENSION SPRING PART, VEHICLE SUSPENSION SPRING PART, AND METHOD OF FABRICATING THE SAMEAbandonedSep 26, 16Jan 26, 17[B60G, C21D, C22C]
2015/0020,926 STEEL FOR NITROCARBURIZING AND NITROCARBURIZED COMPONENT USING THE STEEL AS MATERIALAbandonedFeb 15, 13Jan 22, 15[C23C, C22C]
2014/0060,709 STEEL FOR VEHICLE SUSPENSION SPRING PART, VEHICLE SUSPENSION SPRING PART, AND METHOD OF FABRICATING THE SAMEAbandonedNov 11, 13Mar 06, 14[B60G]
8124008 Free cutting steelExpiredNov 29, 02Feb 28, 12[C22C]

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