Assignee
NOK CORP
JP·672 granted patents·362 pending applications·6,919 citations·filing 1986–2025
Top patents by PatentIndex Score
1,034 records- 0199US4623153ARadial oil sealNOK CORP·Filed 1986·Granted Nov 18, 1986·134 cites·12 claims
- 0298US6156173AEnzyme electrode structureNOK CORP·Filed 2000·Granted Dec 5, 2000·167 cites·14 claims
- 0398US6071391AEnzyme electrode structureNOK CORP·Filed 1997·Granted Jun 6, 2000·1.2k cites·43 claims
- 0497US10865883B2Sealing ringNOK CORP·Filed 2015·Granted Dec 15, 2020·24 cites·2 claims
- 0596US6726211B1Sealing deviceNOK CORP·Filed 2000·Granted Apr 27, 2004·64 cites·5 claims
- 0695US10359114B2Sealing deviceNOK CORP·Filed 2017·Granted Jul 23, 2019·12 cites·6 claims
- 0795US7816454B2Polyol-crosslinkable fluoro-rubber compositionNOK CORP·Filed 2006·Granted Oct 19, 2010·19 cites·10 claims
- 0894US11365807B2Sealing apparatusNOK CORP·Filed 2020·Granted Jun 21, 2022·3 cites·4 claims
- 0994US10737310B2Method for manufacturing spring member of sealing deviceNOK CORP·Filed 2018·Granted Aug 11, 2020·4 cites·6 claims
- 1094US10605369B2Sealing apparatusNOK CORP·Filed 2018·Granted Mar 31, 2020·7 cites·5 claims
- 1194US10352450B2Sealing deviceNOK CORP·Filed 2015·Granted Jul 16, 2019·16 cites·2 claims
- 1293US11639754B2Positive/negative pressure gasketNOK CORP·Filed 2021·Granted May 2, 2023·3 cites·5 claims
- 1393US10190689B2Seal ringNOK CORP·Filed 2016·Granted Jan 29, 2019·16 cites·8 claims
- 1493US7753376B2Plunger seal for pumpNOK CORP·Filed 2009·Granted Jul 13, 2010·21 cites·1 claims
- 1593US7513506B2Plunger seal for pumpNOK CORP·Filed 2005·Granted Apr 7, 2009·21 cites·1 claims
- 1692US10612660B2GasketNOK CORP·Filed 2017·Granted Apr 7, 2020·15 cites·4 claims
- 1792US10408349B2Seal ringNOK CORP·Filed 2016·Granted Sep 10, 2019·16 cites·3 claims
- 1892US8961024B2Center bearing supportNOK CORP·Filed 2012·Granted Feb 24, 2015·9 cites·2 claims
- 1992US7770599B2AccumulatorNOK CORP·Filed 2009·Granted Aug 10, 2010·22 cites·8 claims
- 2092US7674044B2Sealing deviceNOK CORP·Filed 2005·Granted Mar 9, 2010·20 cites·6 claims
- 2192US7465100B2Sealing apparatusNOK CORP·Filed 2007·Granted Dec 16, 2008·13 cites·1 claims
- 2292US7063911B1Gasket for fuel cell and method of forming itNOK CORP·Filed 2000·Granted Jun 20, 2006·52 cites·7 claims
- 2392US4928979ASealing apparatusNOK CORP·Filed 1988·Granted May 29, 1990·55 cites·5 claims
- 2491US11333248B2Positive/negative pressure gasketNOK CORP·Filed 2018·Granted May 17, 2022·8 cites·12 claims
- 2591US10865881B2Gasket and method for mounting sameNOK CORP·Filed 2017·Granted Dec 15, 2020·4 cites·6 claims
- 2691US7926818B2Gasket and structure for sealing between two membersNOK CORP·Filed 2006·Granted Apr 19, 2011·59 cites·4 claims
- 2791US6976788B2Thrust bearingNOK CORP·Filed 2002·Granted Dec 20, 2005·30 cites·2 claims
- 2891US6720103B1Fuel cellNOK CORP·Filed 2000·Granted Apr 13, 2004·49 cites·9 claims
- 2991US4981303ASealing deviceNOK CORP·Filed 1989·Granted Jan 1, 1991·55 cites·4 claims
- 3090US10465798B2Gasket and method of manufacturing the sameNOK CORP·Filed 2016·Granted Nov 5, 2019·7 cites·11 claims
- 3190US9863464B2Dust coverNOK CORP·Filed 2015·Granted Jan 9, 2018·7 cites·8 claims
- 3290US6649097B2Method of making a gasket for layer-built fuel cellsNOK CORP·Filed 2001·Granted Nov 18, 2003·57 cites·4 claims
- 3390US5201529ASealing deviceNOK CORP·Filed 1991·Granted Apr 13, 1993·107 cites·20 claims
- 3489US11828366B2Sealing deviceNOK CORP·Filed 2020·Granted Nov 28, 2023·2 cites·4 claims
- 3589US11466642B2Gasket materialNOK CORP·Filed 2018·Granted Oct 11, 2022·2 cites·3 claims
- 3689US10794488B2Sealing device and sealing assemblyNOK CORP·Filed 2017·Granted Oct 6, 2020·5 cites·7 claims
- 3789US10267422B2Sealing deviceNOK CORP·Filed 2016·Granted Apr 23, 2019·6 cites·3 claims
- 3889US8958733B2Fixing pressure member and production method thereforNOK CORP·Filed 2013·Granted Feb 17, 2015·7 cites·3 claims
- 3989US7959161B2Rubber-like elastic partNOK CORP·Filed 2003·Granted Jun 14, 2011·42 cites·7 claims
- 4089US7828300B2Sealing device for reciprocating shaftNOK CORP·Filed 2006·Granted Nov 9, 2010·19 cites·5 claims
- 4189US7810522B1AccumulatorNOK CORP·Filed 2010·Granted Oct 12, 2010·16 cites·1 claims
- 4289US7464939B2Sealing device with rotation detecting elementNOK CORP·Filed 2005·Granted Dec 16, 2008·21 cites·5 claims
- 4389US6373157B1StatorNOK CORP·Filed 2000·Granted Apr 16, 2002·26 cites·7 claims
- 4489US6231053B1Gasket for fuel cellNOK CORP·Filed 1999·Granted May 15, 2001·111 cites·30 claims
- 4589US6220275B1Solenoid valveNOK CORP·Filed 1999·Granted Apr 24, 2001·70 cites·15 claims
- 4689US5649709AShaft seal with dust sealing lipNOK CORP·Filed 1995·Granted Jul 22, 1997·68 cites·4 claims
- 4788US11174380B2Rubber composition for torsional damper and torsional damperNOK CORP·Filed 2019·Granted Nov 16, 2021·3 cites·10 claims
- 4888US9817358B2Cleaning bladeNOK CORP·Filed 2014·Granted Nov 14, 2017·7 cites·6 claims
- 4988US8003898B2Seal structureNOK CORP·Filed 2007·Granted Aug 23, 2011·19 cites·8 claims
- 5088US7766339B2Seal ringNOK CORP·Filed 2007·Granted Aug 3, 2010·14 cites·4 claims
Showing the top 50 of 1,034 patent records by PatentIndex Score.
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