Assignee
TOYO ROKI SEIZO KK
JP·42 granted patents·10 pending applications·960 citations·filing 1988–2008
Top patents by PatentIndex Score
52 records- 0193US6843819B2Air filterTOYO ROKI SEIZO KK·Filed 2001·Granted Jan 18, 2005·167 cites·20 claims
- 0290US5538542AFuel vapor capturing canister having increased distance of flow of fuel vapor passing through adsorbent layerTOYO ROKI SEIZO KK·Filed 1994·Granted Jul 23, 1996·60 cites·8 claims
- 0389US4976858AMulti-layer filter mediumTOYO ROKI SEIZO KK·Filed 1990·Granted Dec 11, 1990·94 cites·4 claims
- 0488US5538543AFuel vapor capturing canister having increased distance of flow of fuel vapor passing through adsorbent layerTOYO ROKI SEIZO KK·Filed 1994·Granted Jul 23, 1996·72 cites·3 claims
- 0587US6308733B2Fuel supplying apparatusTOYO ROKI SEIZO KK·Filed 2001·Granted Oct 30, 2001·33 cites·11 claims
- 0686US6206037B1Fuel supplying apparatusTOYO ROKI SEIZO KK·Filed 1999·Granted Mar 27, 2001·39 cites·11 claims
- 0783US7635427B2Ion exchange filterTOYO ROKI SEIZO KK·Filed 2006·Granted Dec 22, 2009·7 cites·10 claims
- 0883US6808547B2Air cleanerTOYO ROKI SEIZO KK·Filed 2002·Granted Oct 26, 2004·53 cites·17 claims
- 0982US6514326B1Canister moduleTOYO ROKI SEIZO KK·Filed 2000·Granted Feb 4, 2003·23 cites·17 claims
- 1078US6716264B2Air cleanerTOYO ROKI SEIZO KK·Filed 2002·Granted Apr 6, 2004·25 cites·6 claims
- 1178US6401751B2Fuel supplying apparatusTOYO ROKI SEIZO KK·Filed 2001·Granted Jun 11, 2002·18 cites·13 claims
- 1277US7670411B2Air-cleanerTOYO ROKI SEIZO KK·Filed 2007·Granted Mar 2, 2010·7 cites·5 claims
- 1377US7473306B2Air cleanerTOYO ROKI SEIZO KK·Filed 2006·Granted Jan 6, 2009·10 cites·6 claims
- 1476US7699912B2Air-cleanerTOYO ROKI SEIZO KK·Filed 2007·Granted Apr 20, 2010·9 cites·5 claims
- 1574US7879124B2Air cleaner and method of manufacturing the sameTOYO ROKI SEIZO KK·Filed 2006·Granted Feb 1, 2011·8 cites·9 claims
- 1673US7097763B2Ion exchange filter apparatusTOYO ROKI SEIZO KK·Filed 2004·Granted Aug 29, 2006·11 cites·7 claims
- 1772US6949182B2Oil filter and method of manufacturing the oil filterTOYO ROKI SEIZO KK·Filed 2001·Granted Sep 27, 2005·19 cites·4 claims
- 1870US5304235ACanisterTOYO ROKI SEIZO KK·Filed 1992·Granted Apr 19, 1994·34 cites·10 claims
- 1970US5043000AAir cleaner element and method of manufacturing the sameTOYO ROKI SEIZO KK·Filed 1989·Granted Aug 27, 1991·30 cites·5 claims
- 2069US6959698B2Fuel treating canisterTOYO ROKI SEIZO KK·Filed 2002·Granted Nov 1, 2005·15 cites·13 claims
- 2166US6336947B1Air filterTOYO ROKI SEIZO KK·Filed 2000·Granted Jan 8, 2002·15 cites·10 claims
- 2265US6346130B2Filter apparatus for canisterTOYO ROKI SEIZO KK·Filed 2000·Granted Feb 12, 2002·10 cites·3 claims
- 2364US7607198B2Hinge mechanism for air cleanerTOYO ROKI SEIZO KK·Filed 2005·Granted Oct 27, 2009·4 cites·9 claims
- 2464US5593577AFilter having internally threaded cover non-rotatably mounted to casing of the filterTOYO ROKI SEIZO KK·Filed 1994·Granted Jan 14, 1997·28 cites·19 claims
- 2560US5273560AFilter element and method for producing the sameTOYO ROKI SEIZO KK·Filed 1992·Granted Dec 28, 1993·23 cites·12 claims
- 2659US8038027B2Fuel cap and vaporized fuel adsorption canister used in the fuel capTOYO ROKI SEIZO KK·Filed 2007·Granted Oct 18, 2011·5 cites·7 claims
- 2757US7175698B2CanisterTOYO ROKI SEIZO KK·Filed 2004·Granted Feb 13, 2007·7 cites·8 claims
- 2857US5817236AFilter and filter medium unit for use thereinTOYO ROKI SEIZO KK·Filed 1997·Granted Oct 6, 1998·29 cites·6 claims
- 2955US5538633AFilter apparatus having a casing with improved structure for holding filter mediaTOYO ROKI SEIZO KK·Filed 1994·Granted Jul 23, 1996·24 cites·9 claims
- 3052US6589319B2Canister having liquefied fuel treating functionTOYO ROKI SEIZO KK·Filed 2001·Granted Jul 8, 2003·6 cites·5 claims
- 3152US2008191382A1Barrier filter and method for manufacturing the sameTOYO ROKI SEIZO KK·Filed 2008·Application pending·0 cites
- 3249US6723270B1Method for manufacturing filter memberTOYO ROKI SEIZO KK·Filed 2000·Granted Apr 20, 2004·11 cites·4 claims
- 3349US6183526B1Filter apparatus for canisterTOYO ROKI SEIZO KK·Filed 1999·Granted Feb 6, 2001·14 cites·4 claims
- 3449US2008138712A1Filter medium and filtration system utilizing the sameTOYO ROKI SEIZO KK·Filed 2007·Application pending·0 cites
- 3549US2008245721A1Fluid filterTOYO ROKI SEIZO KK·Filed 2008·Application pending·0 cites
- 3647US7780770B2Air cleanerTOYO ROKI SEIZO KK·Filed 2007·Granted Aug 24, 2010·0 cites·3 claims
- 3747US6375836B1Fluid filterTOYO ROKI SEIZO KK·Filed 1999·Granted Apr 23, 2002·16 cites·6 claims
- 3847US2008060993A1Oil filterTOYO ROKI SEIZO KK·Filed 2007·Application pending·0 cites
- 3947US2008060994A1Oil filterTOYO ROKI SEIZO KK·Filed 2007·Application pending·0 cites
- 4046US7296551B2Intake manifoldTOYO ROKI SEIZO KK·Filed 2006·Granted Nov 20, 2007·1 cites·3 claims
- 4145US6105547AAir intake device for an internal combustion engineTOYO ROKI SEIZO KK·Filed 1999·Granted Aug 22, 2000·12 cites·8 claims
- 4244US7137293B2Canister provided with a leak detection valve for treating evaporated fuelTOYO ROKI SEIZO KK·Filed 2004·Granted Nov 21, 2006·3 cites·7 claims
- 4343US7834078B2Fiber-reinforced resin composition for parts of air intake system of internal combustion engineTOYO ROKI SEIZO KK·Filed 2004·Granted Nov 16, 2010·0 cites·14 claims
- 4443US7584931B2Case holding mechanismTOYO ROKI SEIZO KK·Filed 2006·Granted Sep 8, 2009·0 cites·7 claims
- 4543US2008230306A1Muffle chamber ductTOYO ROKI SEIZO KK·Filed 2008·Application pending·0 cites
- 4641US2009071113A1Filter elementTOYO ROKI SEIZO KK·Filed 2006·Application pending·0 cites
- 4741US2006169632A1Filter elementTOYO ROKI SEIZO KK·Filed 2006·Application pending·0 cites
- 4841US2008230307A1Muffle ductTOYO ROKI SEIZO KK·Filed 2008·Application pending·0 cites
- 4940US4793923AGradient density filter mediumTOYO ROKI SEIZO KK·Filed 1988·Granted Dec 27, 1988·10 cites·9 claims
- 5038US6811585B2Oil mist filterTOYO ROKI SEIZO KK·Filed 2002·Granted Nov 2, 2004·2 cites·4 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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