IHI INFRASTRUCTURE SYSTEMS CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E04H BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL 327
 
  
 
E01D BRIDGES 213
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 2204
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
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
 
  
 
B61B RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR 117
 
  
 
E04B GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS 146

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9623508 Welding methodApr 03, 13Apr 18, 17[B23K]
9612226 Method for measuring height of lack of penetration and ultrasonic flaw detectorJul 31, 13Apr 04, 17[G01N]
9021644 Method for replacing sloped cables, and temporary hanger for replacing sloped cablesApr 12, 13May 05, 15[F16L, E01D]
8042213 Device and method for preventing rusting of cable for supporting bridgeJul 14, 08Oct 25, 11[E01D]
7921562 Welding method and steel plate deckJun 27, 08Apr 12, 11[E04C, B21D]
7707787 Damping device and method for setting natural frequency of damping body in the damping deviceFeb 26, 03May 04, 10[E04H]
5778797 Vibration damping arrangement for cable carJan 16, 96Jul 14, 98[B61B]
5713163 Vibration damping apparatusJan 16, 96Feb 03, 98[E07D, E04B]
5239789 Vibration damping systemSep 23, 92Aug 31, 93[E04H]
5233797 Vibration damping systemSep 24, 92Aug 10, 93[E04H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0153,313 INTERFACE INSPECTION METHOD AND APPARATUS FOR COMPOSITE STRUCTUREAbandonedFeb 09, 15Jun 04, 15[G01N]
2008/0304,933 BOLT HOLDING MEMBERAbandonedJun 04, 08Dec 11, 08[F16B]
6035787 Vibration damping arrangement for cable carExpiredJul 08, 98Mar 14, 00[B61B]
5960718 Vibration damping arrangement for cable carExpiredJul 08, 98Oct 05, 99[B61B]

Top Inventors for This Owner

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