Yamada Dobby Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B30B PRESSES IN GENERAL; PRESSES NOT OTHERWISE PROVIDED FOR 517
 
  
 
F16H GEARING298
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES178
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 1106

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8393070 Method and production line for laminate assemblyDec 07, 09Mar 12, 13[G01R]
7506581 Press machineDec 20, 07Mar 24, 09[B30B]
7168158 Stacked core assembly apparatusOct 31, 05Jan 30, 07[B23P]
7020948 Method for assembling a stacked coreJun 11, 02Apr 04, 06[H02K]
6199478 Press machineJun 04, 99Mar 13, 01[B30B]
6179189 Control device of continuous material feed deviceOct 16, 98Jan 30, 01[B65H]
6148720 Press machineJun 04, 99Nov 21, 00[B30B]
6112871 Clutch/brake device in press for little noiseJan 28, 99Sep 05, 00[B30B]
6070521 Slide control device of pressOct 16, 98Jun 06, 00[B30B]
5287728 Power transmission device for press machineDec 09, 92Feb 22, 94[F16H]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0025,477 PRESS MACHINEAbandonedJun 08, 12Jan 31, 13[B30B]
6565042 Emergency parachuteExpiredApr 16, 02May 20, 03[B64D]
2003/0062,133 Laminated core machining apparatusAbandonedSep 20, 02Apr 03, 03[B31F]
6247399 Press machineExpiredJun 15, 99Jun 19, 01[B30B]
5737966 Pressing machine with reciprocating slideExpiredDec 28, 95Apr 14, 98[F16H]
5720201 Pressing machineExpiredJan 23, 96Feb 24, 98[F16H]
5365979 Dobby for electromagnetically controlling a heald frameExpiredMar 19, 93Nov 22, 94[D03C]
4566499 Jacquard mechanismExpiredNov 23, 84Jan 28, 86[D03C]
4542770 Command device for dobbyExpiredAug 19, 83Sep 24, 85[D03C]
4489763 Leveling device of dobby machineExpiredNov 12, 82Dec 25, 84[D03D, D03C]
4481979 Heald frame driving method in negative dobby machines or cam machinesExpiredSep 16, 82Nov 13, 84[D03C]
4480538 Means for correcting the position of bottom dead center in a pressExpiredDec 02, 83Nov 06, 84[B30B]
4474221 Positive dobby machineExpiredSep 16, 82Oct 02, 84[D03C]
4386631 Negative double lift dobby machineExpiredFeb 09, 81Jun 07, 83[D03C]

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