Assignee
OGURA CLUTCH CO LTD
JP·39 granted patents·3 pending applications·509 citations·filing 1980–2024
Top patents by PatentIndex Score
42 records- 0190US5307038AElectromagnetic coupling apparatusOGURA CLUTCH CO LTD·Filed 1990·Granted Apr 26, 1994·74 cites·2 claims
- 0287US5138293ATerminal connection structure of electromagnetic coupling deviceOGURA CLUTCH CO LTD·Filed 1991·Granted Aug 11, 1992·46 cites·14 claims
- 0381US6837195B2V-engine supercharging deviceOGURA CLUTCH CO LTD·Filed 2002·Granted Jan 4, 2005·40 cites·6 claims
- 0480US8016685B2Power transmission apparatusOGURA CLUTCH CO LTD·Filed 2008·Granted Sep 13, 2011·7 cites·2 claims
- 0580US6200221B1Power transmission apparatusOGURA CLUTCH CO LTD·Filed 1999·Granted Mar 13, 2001·39 cites·12 claims
- 0677US10036431B2Electromagnetic clutchOGURA CLUTCH CO LTD·Filed 2016·Granted Jul 31, 2018·2 cites·4 claims
- 0771US5667050AElectromagnetic coupling apparatusOGURA CLUTCH CO LTD·Filed 1996·Granted Sep 16, 1997·23 cites·15 claims
- 0868US4377224AClutch brake assemblyOGURA CLUTCH CO LTD·Filed 1980·Granted Mar 22, 1983·21 cites·7 claims
- 0967US4649458AControl circuits for electromagnetic coupling apparatusOGURA CLUTCH CO LTD·Filed 1985·Granted Mar 10, 1987·18 cites·1 claims
- 1066US5692591AElectromagnetic coupling deviceOGURA CLUTCH CO LTD·Filed 1996·Granted Dec 2, 1997·19 cites·7 claims
- 1166US5687822AElectromagnetic spring clutchOGURA CLUTCH CO LTD·Filed 1996·Granted Nov 18, 1997·20 cites·5 claims
- 1266US5361883AElectromagnetic clutchOGURA CLUTCH CO LTD·Filed 1994·Granted Nov 8, 1994·19 cites·7 claims
- 1365US5714820AMagnetic couplingOGURA CLUTCH CO LTD·Filed 1996·Granted Feb 3, 1998·32 cites·7 claims
- 1465US2025162174A1Robot tool exchange deviceOGURA CLUTCH CO LTD·Filed 2024·Application pending·0 cites
- 1564US4502578AElectromagnetic spring-wound clutchOGURA CLUTCH CO LTD·Filed 1982·Granted Mar 5, 1985·19 cites·5 claims
- 1663US11722046B2Electromagnetic coupling deviceOGURA CLUTCH CO LTD·Filed 2022·Granted Aug 8, 2023·0 cites·13 claims
- 1763US8011488B2Rotating coil type electromagnetic clutchOGURA CLUTCH CO LTD·Filed 2009·Granted Sep 6, 2011·2 cites·5 claims
- 1863US4635774AElectromagnetic coupling deviceOGURA CLUTCH CO LTD·Filed 1985·Granted Jan 13, 1987·19 cites·4 claims
- 1958US11427432B2Spindle unitOGURA CLUTCH CO LTD·Filed 2020·Granted Aug 30, 2022·0 cites·9 claims
- 2058US5984069AElectromagnetic clutchOGURA CLUTCH CO LTD·Filed 1998·Granted Nov 16, 1999·14 cites·8 claims
- 2157US4465171ACompact electromagnetic spring-wound clutchOGURA CLUTCH CO LTD·Filed 1982·Granted Aug 14, 1984·15 cites·11 claims
- 2256US11760600B2Spindle unitOGURA CLUTCH CO LTD·Filed 2021·Granted Sep 19, 2023·0 cites·15 claims
- 2352US9783388B2Spindle unitOGURA CLUTCH CO LTD·Filed 2014·Granted Oct 10, 2017·1 cites·5 claims
- 2452US5936501AElectromagnetic coupling device with surge protection componentOGURA CLUTCH CO LTD·Filed 1997·Granted Aug 10, 1999·17 cites·16 claims
- 2550US11149808B2Excitation operation brakeOGURA CLUTCH CO LTD·Filed 2019·Granted Oct 19, 2021·0 cites·6 claims
- 2649US5601176AArmature assembly in an electromagnetic coupling deviceOGURA CLUTCH CO LTD·Filed 1995·Granted Feb 11, 1997·11 cites·13 claims
- 2749US2023108876A1Roots blowerOGURA CLUTCH CO LTD·Filed 2022·Application pending·0 cites
- 2847US10955012B2Electromagnetic connecting deviceOGURA CLUTCH CO LTD·Filed 2019·Granted Mar 23, 2021·0 cites·10 claims
- 2947US10192664B2Exciting device for electromagnetic connection deviceOGURA CLUTCH CO LTD·Filed 2017·Granted Jan 29, 2019·0 cites·4 claims
- 3042US2016252143A1Power transmission deviceOGURA CLUTCH CO LTD·Filed 2014·Application pending·0 cites
- 3140US10056180B2Seal structure for electromagnetic lead wireOGURA CLUTCH CO LTD·Filed 2017·Granted Aug 21, 2018·0 cites·9 claims
- 3238US5497870AElectromagnetic clutch slip protection systemOGURA CLUTCH CO LTD·Filed 1994·Granted Mar 12, 1996·9 cites·14 claims
- 3337US10473167B2Electromagnetic connecting deviceOGURA CLUTCH CO LTD·Filed 2018·Granted Nov 12, 2019·0 cites·6 claims
- 3436US9631688B2Electromagnetic clutchOGURA CLUTCH CO LTD·Filed 2016·Granted Apr 25, 2017·0 cites·3 claims
- 3536US6186434B1Tension apparatusOGURA CLUTCH CO LTD·Filed 1999·Granted Feb 13, 2001·3 cites·7 claims
- 3634US5751202AElectromagnetic coupling deviceOGURA CLUTCH CO LTD·Filed 1996·Granted May 12, 1998·9 cites·4 claims
- 3733US5952750AElectromagnetic spring clutch with non-magnetic rotating membersOGURA CLUTCH CO LTD·Filed 1998·Granted Sep 14, 1999·6 cites·6 claims
- 3833US5336069ARotary piston fluid pumpOGURA CLUTCH CO LTD·Filed 1993·Granted Aug 9, 1994·12 cites·8 claims
- 3932US6095305AElectromagnetic coupling device with noise damperOGURA CLUTCH CO LTD·Filed 1998·Granted Aug 1, 2000·7 cites·5 claims
- 4030US6257518B1Tension apparatus and tension systemOGURA CLUTCH CO LTD·Filed 1999·Granted Jul 10, 2001·0 cites·16 claims
- 4128US6029923AMagnetic noncontacting tension device for winding yarnOGURA CLUTCH CO LTD·Filed 1998·Granted Feb 29, 2000·2 cites·9 claims
- 4228US4538711APower transmission device easy to mount on a driverOGURA CLUTCH CO LTD·Filed 1983·Granted Sep 3, 1985·3 cites·8 claims
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