Assignee
ISHIKAWA GASKET
JP·221 granted patents·14 pending applications·3,908 citations·filing 1986–2024
Top patents by PatentIndex Score
235 records- 0198US5853175ACylinder head gasket with fluid flow pathISHIKAWA GASKET·Filed 1996·Granted Dec 29, 1998·73 cites·12 claims
- 0298US4834399ASteel laminate gasketISHIKAWA GASKET·Filed 1988·Granted May 30, 1989·103 cites·25 claims
- 0397US4898396ASteel laminate gasketISHIKAWA GASKET·Filed 1988·Granted Feb 6, 1990·60 cites·12 claims
- 0496US4739999ASteel laminate gasketISHIKAWA GASKET·Filed 1987·Granted Apr 26, 1988·95 cites·13 claims
- 0594US6517085B2Cylinder head gasket with partial resin coatingISHIKAWA GASKET·Filed 2001·Granted Feb 11, 2003·34 cites·7 claims
- 0694US6250645B1Gasket with annular sealing projection and grooveISHIKAWA GASKET·Filed 2000·Granted Jun 26, 2001·42 cites·6 claims
- 0792US4778189AGasket with elastic sealing membersISHIKAWA GASKET·Filed 1987·Granted Oct 18, 1988·49 cites·2 claims
- 0892US4728110ALaminate type manifold gasketISHIKAWA GASKET·Filed 1986·Granted Mar 1, 1988·64 cites·9 claims
- 0991US4648607ASteel laminate gasket with assembly order identification deviceISHIKAWA GASKET·Filed 1986·Granted Mar 10, 1987·58 cites·6 claims
- 1090US6089573AMetal gasket with corrugated beadISHIKAWA GASKET·Filed 1998·Granted Jul 18, 2000·42 cites·7 claims
- 1189US10591062B2Gasket and manufacturing method thereofISHIKAWA GASKET·Filed 2018·Granted Mar 17, 2020·2 cites·6 claims
- 1289US4759585ASteel laminate gasket with meshing corrugated beadsISHIKAWA GASKET·Filed 1987·Granted Jul 26, 1988·50 cites·14 claims
- 1388US6189895B1Metal gasket with sealing and connecting sectionsISHIKAWA GASKET·Filed 1999·Granted Feb 20, 2001·53 cites·10 claims
- 1487US6682080B2Cylinder head gasketISHIKAWA GASKET·Filed 2002·Granted Jan 27, 2004·29 cites·6 claims
- 1587US4759556AMetal gasket with auxiliary beadISHIKAWA GASKET·Filed 1987·Granted Jul 26, 1988·45 cites·6 claims
- 1686US10125871B2GasketISHIKAWA GASKET·Filed 2015·Granted Nov 13, 2018·2 cites·6 claims
- 1786US7377520B2Cylinder head gasketISHIKAWA GASKET·Filed 2006·Granted May 27, 2008·11 cites·3 claims
- 1886US7290770B2Metal laminate gasketISHIKAWA GASKET·Filed 2006·Granted Nov 6, 2007·11 cites·11 claims
- 1986US6406032B1Cylinder head gasket with gas releasing portionISHIKAWA GASKET·Filed 2000·Granted Jun 18, 2002·30 cites·8 claims
- 2086US4896891ASteel laminate gasket with associated beadsISHIKAWA GASKET·Filed 1988·Granted Jan 30, 1990·42 cites·11 claims
- 2185US5058908ASteel laminate gasketISHIKAWA GASKET·Filed 1990·Granted Oct 22, 1991·38 cites·18 claims
- 2285US4714260ASteel laminate gasketISHIKAWA GASKET·Filed 1987·Granted Dec 22, 1987·43 cites·8 claims
- 2384US7131649B2Metal gasketISHIKAWA GASKET·Filed 2006·Granted Nov 7, 2006·11 cites·6 claims
- 2484US6758479B2Cylinder head gasket with different materialsISHIKAWA GASKET·Filed 2001·Granted Jul 6, 2004·26 cites·7 claims
- 2584US6036195AMetal gasket with double beadsISHIKAWA GASKET·Filed 1998·Granted Mar 14, 2000·46 cites·15 claims
- 2684US4776601ASteel laminate gasket with positioning deviceISHIKAWA GASKET·Filed 1987·Granted Oct 11, 1988·41 cites·6 claims
- 2783US7306236B2Cylinder head gasketISHIKAWA GASKET·Filed 2006·Granted Dec 11, 2007·9 cites·7 claims
- 2882US10139002B1Gasket equipped with bead with different hardnessISHIKAWA GASKET·Filed 2017·Granted Nov 27, 2018·1 cites·5 claims
- 2982US6517084B2Cylinder head gasket with partial seal coatingISHIKAWA GASKET·Filed 2001·Granted Feb 11, 2003·23 cites·7 claims
- 3082US6354599B1Gasket with compressible sealing member and hard support layerISHIKAWA GASKET·Filed 2000·Granted Mar 12, 2002·24 cites·5 claims
- 3181US7900936B2Metal gasketISHIKAWA GASKET·Filed 2007·Granted Mar 8, 2011·8 cites·12 claims
- 3281US5150910AGasket with soft and hard seal coatingsISHIKAWA GASKET·Filed 1990·Granted Sep 29, 1992·45 cites·8 claims
- 3380US6779800B2Head gasketISHIKAWA GASKET·Filed 2002·Granted Aug 24, 2004·20 cites·8 claims
- 3479US7097177B2Metal laminate gasketISHIKAWA GASKET·Filed 2005·Granted Aug 29, 2006·9 cites·9 claims
- 3579US5988651AMetal gasket with sealing bead and bead protecting portionISHIKAWA GASKET·Filed 1997·Granted Nov 23, 1999·40 cites·6 claims
- 3679US5478092AMetal laminate gasket with edge support beadsISHIKAWA GASKET·Filed 1995·Granted Dec 26, 1995·28 cites·4 claims
- 3779US5255926ASteel laminate gasketISHIKAWA GASKET·Filed 1992·Granted Oct 26, 1993·37 cites·7 claims
- 3879US5232229AMetal gasket with low heat transmissionISHIKAWA GASKET·Filed 1991·Granted Aug 3, 1993·36 cites·5 claims
- 3979US4828275AGasket with elastic sealing membersISHIKAWA GASKET·Filed 1988·Granted May 9, 1989·29 cites·9 claims
- 4079US4754982ASteel laminate gasketISHIKAWA GASKET·Filed 1986·Granted Jul 5, 1988·35 cites·9 claims
- 4178US7793943B2Metal gasketISHIKAWA GASKET·Filed 2006·Granted Sep 14, 2010·7 cites·4 claims
- 4278US7367566B2Metal gasketISHIKAWA GASKET·Filed 2005·Granted May 6, 2008·7 cites·11 claims
- 4377US6585272B2Cylinder head gasket with different seal coatingsISHIKAWA GASKET·Filed 2001·Granted Jul 1, 2003·18 cites·5 claims
- 4477US6322084B1Metal gasket with bore ringISHIKAWA GASKET·Filed 2000·Granted Nov 27, 2001·18 cites·11 claims
- 4577US5269541AMetal gasket with sealing device with different spring constantISHIKAWA GASKET·Filed 1991·Granted Dec 14, 1993·26 cites·10 claims
- 4677US4995624ASteel laminate gasket with wide sealing areaISHIKAWA GASKET·Filed 1989·Granted Feb 26, 1991·30 cites·9 claims
- 4776US7588252B2GasketISHIKAWA GASKET·Filed 2006·Granted Sep 15, 2009·7 cites·3 claims
- 4876US6139025AMetal laminate gasket with wide and narrow flange portionsISHIKAWA GASKET·Filed 1998·Granted Oct 31, 2000·36 cites·7 claims
- 4976US5427389AMetal laminate gasket with edge support beadsISHIKAWA GASKET·Filed 1993·Granted Jun 27, 1995·39 cites·7 claims
- 5075US7665741B2Laminate-type gasketISHIKAWA GASKET·Filed 2008·Granted Feb 23, 2010·5 cites·12 claims
Showing the top 50 of 235 patent records by PatentIndex Score.
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