Assignee
DAISHOWA SEIKI
JP·26 granted patents·2 pending applications·425 citations·filing 1977–2016
Top patents by PatentIndex Score
28 records- 0188US4817972ACollet chuckDAISHOWA SEIKI·Filed 1987·Granted Apr 4, 1989·44 cites·1 claims
- 0286US9889506B2Vibration-proof structure of rotating bodyDAISHOWA SEIKI·Filed 2015·Granted Feb 13, 2018·6 cites·6 claims
- 0384US4598617ATool holder assembly having cutting fluid supply circuitDAISHOWA SEIKI·Filed 1984·Granted Jul 8, 1986·34 cites·4 claims
- 0484US4447958ATouch sensorDAISHOWA SEIKI·Filed 1982·Granted May 15, 1984·33 cites·10 claims
- 0579US4721423AChuckDAISHOWA SEIKI·Filed 1987·Granted Jan 26, 1988·36 cites·13 claims
- 0674US4758122ATool clamping apparatusDAISHOWA SEIKI·Filed 1987·Granted Jul 19, 1988·27 cites·8 claims
- 0772US4799838AMilling cutterDAISHOWA SEIKI·Filed 1986·Granted Jan 24, 1989·32 cites·3 claims
- 0867US9676040B2Hydraulic chuckDAISHOWA SEIKI·Filed 2013·Granted Jun 13, 2017·2 cites·1 claims
- 0966US4657451AContact detector for a machine toolDAISHOWA SEIKI·Filed 1985·Granted Apr 14, 1987·25 cites·4 claims
- 1065US5352073ATool holder for a machine toolDAISHOWA SEIKI·Filed 1992·Granted Oct 4, 1994·29 cites·3 claims
- 1160US9776253B2Tool holding structureDAISHOWA SEIKI·Filed 2013·Granted Oct 3, 2017·2 cites·2 claims
- 1259US5092190ATransmission deviceDAISHOWA SEIKI·Filed 1990·Granted Mar 3, 1992·17 cites·6 claims
- 1359US4621548AMachine tool holder unitDAISHOWA SEIKI·Filed 1984·Granted Nov 11, 1986·18 cites·12 claims
- 1458US5439333ACoolant feeder in a tool holder assemblyDAISHOWA SEIKI·Filed 1994·Granted Aug 8, 1995·13 cites·18 claims
- 1556US4062552ATool-holder chuckDAISHOWA SEIKI·Filed 1977·Granted Dec 13, 1977·16 cites·6 claims
- 1655US4708538ATapping headDAISHOWA SEIKI·Filed 1985·Granted Nov 24, 1987·16 cites·4 claims
- 1753US5596913AWrenchDAISHOWA SEIKI·Filed 1994·Granted Jan 28, 1997·17 cites·13 claims
- 1849US5001464AContact detecting system in a machine toolDAISHOWA SEIKI·Filed 1989·Granted Mar 19, 1991·11 cites·2 claims
- 1947US10086439B2Boring toolDAISHOWA SEIKI·Filed 2014·Granted Oct 2, 2018·0 cites·13 claims
- 2044US4829677ADevice for supporting a stylus in a touch sensorDAISHOWA SEIKI·Filed 1987·Granted May 16, 1989·16 cites·2 claims
- 2143US2009322042A1Constituent member of collet, chuck, collet and fastening nut and collet chuckDAISHOWA SEIKI·Filed 2007·Application pending·0 cites
- 2242US2009324351A1Tap HolderDAISHOWA SEIKI·Filed 2007·Application pending·0 cites
- 2341USD783694SMeasuring instruments for machine toolsDAISHOWA SEIKI·Filed 2016·Granted Apr 11, 2017·4 cites·1 claims
- 2438US5538371ATapper mechanismDAISHOWA SEIKI·Filed 1995·Granted Jul 23, 1996·7 cites·7 claims
- 2537USD837846SThrow away tip for cutting toolDAISHOWA SEIKI·Filed 2016·Granted Jan 8, 2019·3 cites·1 claims
- 2637US5740693APhotoelectric levelness detectorDAISHOWA SEIKI·Filed 1995·Granted Apr 21, 1998·8 cites·17 claims
- 2736USD795933SMeasuring instrument for machine toolsDAISHOWA SEIKI·Filed 2015·Granted Aug 29, 2017·3 cites·1 claims
- 2828US5079828AAutomatic tool-replacement apparatusDAISHOWA SEIKI·Filed 1990·Granted Jan 14, 1992·6 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →