SUMITOMO LIGHT METAL INDUSTRIES, LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
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 1875
 
  
 
C22C ALLOYS 1755
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM14143
 
  
 
F28F DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION 1042
 
  
 
C22F CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS 730
 
  
 
0506 ARTIFICIAL OR NATURAL SHEET MATERIAL414
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 353
 
  
 
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 398
 
  
 
B21B ROLLING OF METAL 230
 
  
 
B62D MOTOR VEHICLES; TRAILERS 289

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9440315 Aluminum alloy heat exchanger and method of producing refrigerant tube used for the heat exchangerJun 21, 10Sep 13, 16[B23K, F28D, F28F, C22C]
9132518 Method for producing aluminum alloy heat exchangerMay 10, 11Sep 15, 15[C23C, B23P, B23K, F28F, C22C]
9108239 Sheet material having concave-convex section, and laminated structure and vehicle panel using the sameNov 05, 10Aug 18, 15[B21D, B32B]
9090288 Sheet material having a concave-convex part, and vehicle panel and laminated structure using the sameMay 19, 11Jul 28, 15[B62D, E04C, B21D, B32B]
9051633 Aluminum alloy welded memberOct 08, 10Jun 09, 15[C25D, B23K, B32B, C22C]
9012033 Aluminum alloy clad sheet for heat exchangersMar 29, 10Apr 21, 15[F28D, F28F, B32B, C22C]
8828156 Aluminum sheet material for lithographic printing platesJun 11, 10Sep 09, 14[C22C]
8742294 MIG welded joint between aluminum and steel members and MIG welding processFeb 20, 08Jun 03, 14[B23K]
8714631 Raised and recessed sheet material, and vehicle panel and laminated structure using the sameJun 27, 13May 06, 14[B62D]
D685194 Metal sheet materialNov 13, 12Jul 02, 13[0506]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0096,878 HIGH-STRENGTH ALUMINUM ALLOY EXTRUDED MATERIAL AND METHOD FOR MANUFACTURING THE SAMEAbandonedSep 28, 13Apr 10, 14[C22F]
2014/0023,874 METHOD FOR WELDING ALUMINUM ALLOY MATERIALS AND ALUMINUM ALLOY PANEL PRODUCED THEREBYAbandonedJul 18, 12Jan 23, 14[B23K, B32B]
2013/0295,406 SHEET MATERIAL HAVING A CONCAVE-CONVEX PART, AND VEHICLE PANEL AND LAMINATED STRUCTURE USING THE SAMEAbandonedMay 19, 11Nov 07, 13[B62D]
2013/0192,804 DOUBLE PIPE FOR HEAT EXCHANGERAbandonedJan 25, 13Aug 01, 13[F28D]
2013/0175,071 PLATE-LIKE CONDUCTOR FOR A BUSBAR AND THE BUSBAR CONSISTING OF THE PLATE-LIKE CONDUCTORAbandonedDec 12, 12Jul 11, 13[H01B]
2013/0108,885 SHEET MATERIAL HAVING A CONCAVE-CONVEX PART, AND A VEHICLE PANEL AND LAMINATED STRUCTURE USING THE SAMEAbandonedSep 02, 10May 02, 13[B62D]
2012/0312,427 HIGH-STRENGTH ALUMINUM ALLOY PRODUCT AND METHOD OF PRODUCING THE SAMEAbandonedMay 15, 12Dec 13, 12[B23P, C22C]
2011/0114,228 Aluminum alloy extruded product exhibiting excellent surface properties, method of manufacturing the same, heat exchanger multi-port tube, and method of manufacturing heat exchanger including the multi-port tubeAbandonedJan 18, 11May 19, 11[C22F, C21D]
2010/0263,768 Aluminum alloy clad sheet for heat exchangers and method of producing the sameAbandonedApr 01, 10Oct 21, 10[C22F, C22C]
2010/0059,151 HIGH-STRENGTH ALUMINUM ALLOY PRODUCT AND METHOD OF PRODUCING THE SAMEAbandonedDec 12, 07Mar 11, 10[C22F, C22C]
2010/0008,817 COPPER ALLOY FOR SEAMLESS PIPESAbandonedOct 02, 07Jan 14, 10[C22C]
2009/0252,642 Aluminum alloy sheet for lithographic printing plate and method of producing the sameAbandonedAug 16, 06Oct 08, 09[C22F, C22C]
2009/0250,144 METHOD OF JOINING HEAT-TREATABLE ALUMINUM ALLOY MEMBERS BY FRICTION STIR WELDINGAbandonedJun 18, 09Oct 08, 09[B23K, C22F]
7490658 Internally grooved heat transfer tube for high-pressure refrigerantExpiredApr 17, 07Feb 17, 09[F28D, F28F]
2008/0289,731 Method of producing aluminum alloy sheet for lithographic printing plateAbandonedMay 13, 08Nov 27, 08[C22F]
2008/0178,967 Aluminum alloy sheet with excellent formability and paint bake hardenability and method for production thereofAbandonedMar 21, 08Jul 31, 08[C22C]
2008/0178,968 Aluminum alloy sheet with excellent formability and paint bake hardenability and method for production thereofAbandonedMar 21, 08Jul 31, 08[C22C]
2008/0178,973 Aluminum alloy sheet with excellent formability and paint bake hardenability and method for production thereofAbandonedMar 21, 08Jul 31, 08[C22F]
2008/0029,581 Method of joining together dissimilar metal membersAbandonedAug 04, 06Feb 07, 08[A47J]
2007/0138,239 Method of joining heat-treatable aluminum alloy members by friction stir welding and joined product obtained by the method and used for press formingAbandonedDec 15, 05Jun 21, 07[B23K]

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