OBARA CORPORATION

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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 786
 
  
 
B23C MILLING 132

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9302343 Process for spot-joining stacked metal foilsDec 22, 14Apr 05, 16[B23K]
5528011 Control system of a C-type welding gunAug 01, 94Jun 18, 96[B23K]
5436422 Resistance welding control methodJun 10, 94Jul 25, 95[B23K]
5333975 Method of and apparatus for dressing tips for welding machinesOct 15, 92Aug 02, 94[B23C]
5198633 Stopper device in a welding robot gunSep 04, 91Mar 30, 93[B23K]
5164564 Welding robot gun connecting deviceSep 04, 91Nov 17, 92[B23K]
5153405 Cooling water piping system for welding robot gunSep 04, 91Oct 06, 92[B23K]
5111018 Connection member in a welding gun for robotMar 22, 91May 05, 92[B23K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0100,950 Pressure application driving unit of welding gunAbandonedOct 19, 07Apr 23, 09[B23K]
2009/0008,427 Driving unit of welding equipmentAbandonedJun 30, 08Jan 08, 09[B23K]
2008/0272,091 Electric driving unit for X-type gunAbandonedDec 18, 07Nov 06, 08[B23K]
2008/0272,093 Electric driving unit for X-type gunAbandonedDec 18, 07Nov 06, 08[B23K]
7422140 Friction stir spot joining deviceExpiredDec 20, 05Sep 09, 08[B23K]
2008/0149,601 Driving unit of welding equipmentAbandonedOct 19, 07Jun 26, 08[B23K]
7383976 Friction stir spot joining deviceExpiredSep 01, 05Jun 10, 08[]
7322509 Friction stir spot joining deviceExpiredJan 18, 05Jan 29, 08[B23K]
6813538 Welding systemExpiredApr 23, 02Nov 02, 04[G06F]
6718837 Driving unit for pressure application shaft in a welding apparatusExpiredMay 13, 03Apr 13, 04[B23K, F16H]
5981898 Method of controlling electrode pressure application force in an electric gunExpiredJul 30, 97Nov 09, 99[B23K]
5914056 Method of controlling a pressure application resistant welding machineExpiredJul 30, 97Jun 22, 99[B23K]
5628923 Robot welding gun unitExpiredSep 21, 95May 13, 97[B23K]
5173066 Chip holder fixing deviceExpiredSep 04, 91Dec 22, 92[H01R]
5157234 C-type welding gun robot holding apparatusExpiredSep 04, 91Oct 20, 92[B23K]
5138129 Welding transformer in a welding gun for robotExpiredMar 22, 91Aug 11, 92[B23K]
5122634 Welding transformer control apparatusExpiredNov 02, 90Jun 16, 92[B23K]
5113053 Welding gun for robotExpiredMar 22, 91May 12, 92[B23K, B25J]
5091623 Welding gun provided with a backup cylinderExpiredJun 27, 90Feb 25, 92[B23K]
5084605 Welding torch having improved gas jetting capabilityExpiredNov 16, 90Jan 28, 92[B23K]

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