Inventor · disambiguated record
Yukihito Ichikawa
Also filed as: ICHIKAWA YUKIHITO
45 granted patents·18 pending applications·764 citations·filing 1992–2010
98Inventor score
Top patents by PatentIndex Score
63 records- 0194US5592925AExhaust gas recirculation device for internal combustion engineNGK INSULATORS LTD·Filed 1995·Granted Jan 14, 1997·72 cites·14 claims
- 0293US7601195B2Honeycomb structure and method of manufacturing the sameNGK INSULATORS LTD·Filed 2007·Granted Oct 13, 2009·28 cites·14 claims
- 0392US6656564B2Ceramic honeycomb structureNGK INSULATORS LTD·Filed 2001·Granted Dec 2, 2003·53 cites·19 claims
- 0492US5866079ACeramic honeycomb catalytic converterNGK INSULATORS LTD·Filed 1994·Granted Feb 2, 1999·89 cites·16 claims
- 0591US7503957B2Honeycomb structure, method of manufacturing the same, die for forming, and discharge fluid purification systemNGK INSULATORS LTD·Filed 2007·Granted Mar 17, 2009·13 cites·12 claims
- 0686US7537634B2Method for manufacturing plugged honeycomb structureNGK INSULATORS LTD·Filed 2006·Granted May 26, 2009·10 cites·16 claims
- 0786US5494881ACeramic honeycomb structural body and catalyst comprising the sameNGK INSULATORS LTD·Filed 1994·Granted Feb 27, 1996·61 cites·24 claims
- 0885US7208214B2Honeycomb structural body and die for forming honeycomb structural body by extrusionNGK INSULATORS LTD·Filed 2004·Granted Apr 24, 2007·22 cites·18 claims
- 0985US6159578AHexagonal-cell honeycomb structure and method for fixation thereofNGK INSULATORS LTD·Filed 1999·Granted Dec 12, 2000·46 cites·15 claims
- 1084US7655195B1Undulated-wall honeycomb structure and manufacturing method thereofNGK INSULATORS LTD·Filed 2000·Granted Feb 2, 2010·35 cites·28 claims
- 1184US7138003B2Honeycomb structureNGK INSULATORS LTD·Filed 2004·Granted Nov 21, 2006·26 cites·9 claims
- 1284US7056365B2Honeycomb structure, and honeycomb filter and converter system both using the sameNGK INSULATORS LTD·Filed 2002·Granted Jun 6, 2006·34 cites·20 claims
- 1383US7611560B2Method of manufacturing plugged honeycomb structure, and plugged honeycomb structureNGK INSULATORS LTD·Filed 2006·Granted Nov 3, 2009·23 cites·13 claims
- 1483US5595581AExhaust gas filter and apparatus for treating exhaust gasesNGK INSULATORS LTD·Filed 1995·Granted Jan 21, 1997·53 cites·5 claims
- 1581US6948243B2Assembly method using marked information and assembly assembled by said assembling methodNGK INSULATORS LTD·Filed 2001·Granted Sep 27, 2005·18 cites·18 claims
- 1679US7981497B2Honeycomb structure and method of producing the sameNGK INSULATORS LTD·Filed 2007·Granted Jul 19, 2011·5 cites·6 claims
- 1778US7276101B2Honeycomb structure, method of manufacturing the same, die for forming, and discharge fluid purification systemNGK INSULATORS LTD·Filed 2004·Granted Oct 2, 2007·14 cites·10 claims
- 1871US7329300B2Honeycomb structure, method of manufacturing the same, and discharge fluid purification systemNGK INSULATORS LTD·Filed 2004·Granted Feb 12, 2008·13 cites·24 claims
- 1970US7410929B2Cell structural body, method of manufacturing cell structural body, and catalyst structural bodyNGK INSULATORS LTD·Filed 2003·Granted Aug 12, 2008·9 cites·25 claims
- 2069US8158202B2Honeycomb structure and method for manufacturing sameICHIKAWA YUKIHITO·Filed 2008·Granted Apr 17, 2012·2 cites·2 claims
- 2169US7615273B2Cell structure and method of manufacturing the sameNGK INSULATORS LTD·Filed 2005·Granted Nov 10, 2009·2 cites·7 claims
- 2265US8632872B2Ceramic honeycomb structureICHIKAWA YUKIHITO·Filed 2010·Granted Jan 21, 2014·1 cites·3 claims
- 2365US6421915B1Hexagonal-cell honeycomb structure and method for fixation thereofNGK INSULATORS LTD·Filed 2000·Granted Jul 23, 2002·11 cites·6 claims
- 2464US7695796B2Honeycomb structural body and method of manufacturing the sameNGK INSULATORS LTD·Filed 2004·Granted Apr 13, 2010·10 cites·7 claims
- 2564US7497999B2Honeycomb structural body, method of manufacturing the structural body, and catalyst body using the structural bodyNGK INSULATORS LTD·Filed 2003·Granted Mar 3, 2009·12 cites·9 claims
- 2663US7897237B2Honeycomb structure and method of manufacturing the sameNGK INSULATORS LTD·Filed 2007·Granted Mar 1, 2011·2 cites·12 claims
- 2763US7803447B2High strength honeycomb structure, method of molding the same, and honeycomb structure converterNGK INSULATORS LTD·Filed 2002·Granted Sep 28, 2010·9 cites·15 claims
- 2863US7618596B2Honeycomb filter and exhaust gas purification systemNGK INSULATORS LTD·Filed 2004·Granted Nov 17, 2009·8 cites·3 claims
- 2962US7325308B2Processing method utilizing display information for carrying a cell structure with a catalytic componentNGK INSULATORS LTD·Filed 2001·Granted Feb 5, 2008·3 cites·10 claims
- 3061US8052911B2Method for manufacturing plugged honeycomb structureNGK INSULATORS LTD·Filed 2007·Granted Nov 8, 2011·1 cites·5 claims
- 3161US7721438B2Assembling method using marked information and assembly assembled by said assembling methodNGK INSULATORS LTD·Filed 2001·Granted May 25, 2010·4 cites·14 claims
- 3261US7022376B2Thin-walled honeycomb structure and method for reinforcing the sameNGK INSULATORS LTD·Filed 2003·Granted Apr 4, 2006·3 cites·12 claims
- 3361US6656298B2Thin-walled honeycomb structure and method for reinforcing the sameNGK INSULATORS LTD·Filed 2001·Granted Dec 2, 2003·3 cites·6 claims
- 3460US6352756B1Thin-walled honeycomb structure and method for reinforcing the sameNGK INSULATORS LTD·Filed 1999·Granted Mar 5, 2002·15 cites·6 claims
- 3558US7225519B2Assembling method using marked informationNGK INSULATORS LTD·Filed 2001·Granted Jun 5, 2007·5 cites·17 claims
- 3657US6375695B2Method and apparatus for processing exhaust gasNGK INSULATORS LTD·Filed 1995·Granted Apr 23, 2002·22 cites·8 claims
- 3757US2009226348A1Honeycomb filter and exhaust gas purification systemNGK INSULATORS LTD·Filed 2009·Application pending·0 cites
- 3857US2008197534A1Method of manufacturing sealed honeycomb structureNGK INSULATORS LTD·Filed 2008·Application pending·0 cites
- 3956US7556664B2Sealed honeycomb structure and method of producing the sameNGK INSULATORS LTD·Filed 2004·Granted Jul 7, 2009·5 cites·12 claims
- 4055US2007220855A1Manufacturing method of plugged honeycomb structure and plugged honeycomb structureNGK INSULATORS LTD·Filed 2007·Application pending·0 cites
- 4154US8261449B2Manufacturing method of plugged honeycomb structureICHIKAWA YUKIHITO·Filed 2007·Granted Sep 11, 2012·1 cites·8 claims
- 4253US7972677B2Plugged honeycomb structureNGK INSULATORS LTD·Filed 2009·Granted Jul 5, 2011·2 cites·12 claims
- 4353US7678439B2Honeycomb structure and die for forming honeycomb structureNGK INSULATORS INC·Filed 2003·Granted Mar 16, 2010·3 cites·12 claims
- 4452US7507460B2Plugged honeycomb structure and method of manufacturing the sameNGK INSULATORS LTD·Filed 2003·Granted Mar 24, 2009·3 cites·10 claims
- 4550US8048508B2Plugged honeycomb structureNGK INSULATORS LTD·Filed 2009·Granted Nov 1, 2011·0 cites·11 claims
- 4650US7534161B2Method for manufacturing cell structureNGK INSULATORS LTD·Filed 2007·Granted May 19, 2009·0 cites·6 claims
- 4749US2008176029A1Honeycomb structure and method for manufacturing the sameNGK INSULATORS LTD·Filed 2008·Application pending·0 cites
- 4847US2007105707A1Method for manufacturing honeycomb structureNGK INSULATORS LTD·Filed 2006·Application pending·0 cites
- 4947US2007182072A1Method of manufacturing plugged honeycomb structure and manufacturing apparatus of plugged honeycomb structureNGK INSULATORS LTD·Filed 2007·Application pending·0 cites
- 5047US2007221312A1Manufacturing method of plugged honeycomb structureNGK INSULATORS LTD·Filed 2007·Application pending·0 cites
Showing the top 50 of 63 patent records by PatentIndex Score.
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