PRIMETALS TECHNOLOGIES JAPAN, LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B21B ROLLING OF METAL 1022
 
  
 
B21C MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL417
 
  
 
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 497
 
  
 
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 342
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 262
 
  
 
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 291
 
  
 
C22B PRODUCTION OR REFINING OF METALS 226
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 289
 
  
 
F27D DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE 223
 
  
 
B03C MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS 120

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0348,745 STRIP PROFILE CONTROL METHOD OF HOT FINISHING TANDEM ROLLING MILL AND HOT FINISHING TANDEM ROLLING MILLFeb 17, 17Dec 07, 17[B21B]
2017/0009,326 PLATE CROSSBOW CORRECTION DEVICE AND PLATE CROSSBOW CORRECTION METHODJul 01, 16Jan 12, 17[C23C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9896755 Method and device for controlling amount of hot dip galvanization adhesionFeb 10, 15Feb 20, 18[C23C, G05D]
9879731 Gear spindle and rolling mill provided with sameNov 14, 13Jan 30, 18[F16D, F16H, B21B]
9486847 Cooling apparatus, and manufacturing apparatus and manufacturing method of hot-rolled steel sheetJul 20, 12Nov 08, 16[B21C, C21D, B21B]
9387528 NozzleJun 26, 13Jul 12, 16[F16K, B05B, F02M, B21B]
9358594 Manufacturing apparatus and manufacturing method of hot-rolled steel sheetSep 24, 12Jun 07, 16[B21B]
9352367 Cold rolled material manufacturing equipment and cold rolling methodSep 02, 15May 31, 16[B21B]
9278406 Mash seam welding method and apparatusSep 24, 10Mar 08, 16[B23K]
9273262 Green pelletJun 16, 10Mar 01, 16[C22B, C10L]
9211573 Hot rolling equipment and hot rolling methodDec 24, 10Dec 15, 15[B21B]
9163879 Partially-reduced iron producing apparatusSep 20, 13Oct 20, 15[C22B, F27D, C21B]

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Expired/Abandoned/Withdrawn Patents

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