Daishowa Seiki Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B23B TURNING; BORING 151
 
  
 
B23C MILLING 132
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 139

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8226337 Tap holderMar 06, 07Jul 24, 12[B23B]
5439333 Coolant feeder in a tool holder assemblyFeb 17, 94Aug 08, 95[B23Q]
5352073 Tool holder for a machine toolOct 08, 92Oct 04, 94[B23C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0322,042 CONSTITUENT MEMBER OF COLLET, CHUCK, COLLET AND FASTENING NUT AND COLLET CHUCKAbandonedSep 13, 07Dec 31, 09[B23B]
2009/0324,351 Tap HolderAbandonedFeb 23, 07Dec 31, 09[B23B, B23G]
2002/0045,964 Manufacturing information providing systemAbandonedOct 11, 01Apr 18, 02[G06F]
5740693 Photoelectric levelness detectorExpiredJun 13, 95Apr 21, 98[G01F]
5538371 Tapper mechanismExpiredJan 24, 95Jul 23, 96[B23G]
5001464 Contact detecting system in a machine toolExpiredDec 14, 89Mar 19, 91[G08B]
4829677 Device for supporting a stylus in a touch sensorExpiredDec 04, 87May 16, 89[G01B]
4817972 Collet chuckExpiredSep 03, 87Apr 04, 89[B23B]
4799838 Milling cutterExpiredApr 08, 86Jan 24, 89[B23C]
4708538 Tapping headExpiredJun 25, 85Nov 24, 87[B23B]
4657451 Contact detector for a machine toolExpiredSep 11, 85Apr 14, 87[B23B]
4621548 Machine tool holder unitExpiredMay 04, 84Nov 11, 86[B23B]
4598617 Tool holder assembly having cutting fluid supply circuitExpiredNov 15, 84Jul 08, 86[B23B]
4447958 Touch sensorExpiredMar 01, 82May 15, 84[G01B]

Top Inventors for This Owner

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