KABUSHIKI KAISHA ITAYA SEISAKU SHO

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B21F WORKING OR PROCESSING OF WIRE 174
 
  
 
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

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9718114 Wire forming apparatusSep 16, 14Aug 01, 17[B21F]
8393191 Wire forming apparatusJun 15, 10Mar 12, 13[B21F]
8136379 Helical part manufacturing apparatus and control method thereofJun 03, 08Mar 20, 12[B21F]
7610787 Spring manufacturing apparatus and control method thereofJul 26, 07Nov 03, 09[B21F, B21D]
7571630 Spring manufacturing apparatusJan 08, 09Aug 11, 09[B21F]
7496998 Spring manufacturing apparatusMar 16, 07Mar 03, 09[B21F]
7143620 Spring manufacturing apparatus and driving force transmitting component mounted on the apparatusAug 13, 03Dec 05, 06[B21F]
6701765 Spring manufacturing apparatusJul 13, 01Mar 09, 04[B21F]
6151942 Spring manufacturing apparatusAug 12, 99Nov 28, 00[B21F]
6142002 Spring manufacturing apparatus and tool selection apparatusAug 12, 99Nov 07, 00[B21F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6571591 Spring manufacturing apparatus and wire guide used for the sameExpiredJul 13, 01Jun 03, 03[B21F]
4991277 System for manufacturing springsExpiredNov 22, 89Feb 12, 91[B21F]
4289004 Coil spring manufacturing machineExpiredMay 29, 79Sep 15, 81[B21F]
4227392 Spring winding machineExpiredSep 28, 78Oct 14, 80[B21S]

Top Inventors for This Owner

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