MITSUBISHI-HITACHI METALS MACHINERY, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B21B ROLLING OF METAL 725
 
  
 
B05C APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 243
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 247
 
  
 
C21B MANUFACTURE OF IRON OR STEEL 221
 
  
 
F27B FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS222
 
  
 
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
 
  
 
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 MATERIAL120
 
  
 
B23F MAKING GEARS OR TOOTHED RACKS 115
 
  
 
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 192
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 165

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9085022 Manufacturing device and manufacturing method for hot-rolled steel stripSep 05, 11Jul 21, 15[B21C, B21B]
9039956 Cooling system for hot-rolled steel stripSep 05, 11May 26, 15[C21D, B21B]
8974571 Partially-reduced iron producing apparatus and partially-reduced iron producing methodDec 31, 12Mar 10, 15[F27B, F27D, C21B]
8961650 Partially-reduced iron producing method and partially-reduced iron producing apparatusDec 04, 12Feb 24, 15[C22B, F27B, F27D, C21C, C21B]
8850860 Method of controlling operation of tandem rolling mill and method of manufacturing hot-rolled steel sheet using the sameSep 24, 12Oct 07, 14[B21B]
8794045 Cluster-type multistage rolling millNov 04, 10Aug 05, 14[B21B]
8695392 Rolling mill and tandem rolling mill having the sameJan 15, 09Apr 15, 14[B21B]
8616148 Gas wiping apparatusMay 07, 10Dec 31, 13[B05C]
8613225 Device for inspecting front and back surfaces of a strip material and method thereofOct 17, 08Dec 24, 13[G01N]
8607609 Rolling mill and tandem rolling mill having the sameJan 15, 09Dec 17, 13[B21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0191,360 STRIP CROSSBOW REDUCTION AND STRIP VIBRATION REDUCTION METHOD AND HOT DIP COATED STRIP MANUFACTURING METHOD USING THE STRIP STABILIZATION METHODAbandonedJan 12, 09Jul 30, 09[C23C]
2009/0139,685 CONTINUOUS CASTING APPARATUS AND CONTINUOUS CASTING METHODAbandonedOct 29, 08Jun 04, 09[B22D]
2008/0169,082 Twin-Roll Continuous Casting Machine And Twin-Roll Continuous Casting MethodAbandonedNov 15, 05Jul 17, 08[B22D]
2005/0247,262 Liquid wiping apparatusAbandonedMar 29, 05Nov 10, 05[B05C, B05D]
6956187 Steel plate splicing facility utilizing shear joiningExpiredJun 18, 03Oct 18, 05[H05B]

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