Inventor
ICHIKAWA YUKIHITO
JP45 patents
⚠️ This page may combine multiple inventors who share the name “ICHIKAWA YUKIHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK INSULATORS LTD
41 patentsUS6159578ADec 12, 2000
Hexagonal-cell honeycomb structure and method for fixation thereof
NGK INSULATORS LTD46 citations96
US5866079AFeb 2, 1999
Ceramic honeycomb catalytic converter
NGK INSULATORS LTD89 citations96
US5592925AJan 14, 1997
Exhaust gas recirculation device for internal combustion engine
NGK INSULATORS LTD72 citations96
US5494881AFeb 27, 1996
Ceramic honeycomb structural body and catalyst comprising the same
NGK INSULATORS LTD61 citations96
US7056365B2Jun 6, 2006
Honeycomb structure, and honeycomb filter and converter system both using the same
NGK INSULATORS LTD34 citations93
US7655195B1Feb 2, 2010
Undulated-wall honeycomb structure and manufacturing method thereof
NGK INSULATORS LTD35 citations92
US7611560B2Nov 3, 2009
Method of manufacturing plugged honeycomb structure, and plugged honeycomb structure
NGK INSULATORS LTD23 citations92
US7601195B2Oct 13, 2009
Honeycomb structure and method of manufacturing the same
NGK INSULATORS LTD28 citations92
US7208214B2Apr 24, 2007
Honeycomb structural body and die for forming honeycomb structural body by extrusion
NGK INSULATORS LTD22 citations92
US7138003B2Nov 21, 2006
Honeycomb structure
NGK INSULATORS LTD26 citations92
US6656564B2Dec 2, 2003
Ceramic honeycomb structure
NGK INSULATORS LTD53 citations92
US6375695B2Apr 23, 2002
Method and apparatus for processing exhaust gas
NGK INSULATORS LTD22 citations92
US6352756B1Mar 5, 2002
Thin-walled honeycomb structure and method for reinforcing the same
NGK INSULATORS LTD15 citations92
US5595581AJan 21, 1997
Exhaust gas filter and apparatus for treating exhaust gases
NGK INSULATORS LTD53 citations92
US6948243B2Sep 27, 2005
Assembly method using marked information and assembly assembled by said assembling method
NGK INSULATORS LTD18 citations91
US7803447B2Sep 28, 2010
High strength honeycomb structure, method of molding the same, and honeycomb structure converter
NGK INSULATORS LTD9 citations84
US7618596B2Nov 17, 2009
Honeycomb filter and exhaust gas purification system
NGK INSULATORS LTD8 citations84
US7503957B2Mar 17, 2009
Honeycomb structure, method of manufacturing the same, die for forming, and discharge fluid purification system
NGK INSULATORS LTD13 citations84
US7497999B2Mar 3, 2009
Honeycomb structural body, method of manufacturing the structural body, and catalyst body using the structural body
NGK INSULATORS LTD12 citations84
US7410929B2Aug 12, 2008
Cell structural body, method of manufacturing cell structural body, and catalyst structural body
NGK INSULATORS LTD9 citations84
US7329300B2Feb 12, 2008
Honeycomb structure, method of manufacturing the same, and discharge fluid purification system
NGK INSULATORS LTD13 citations84
US7276101B2Oct 2, 2007
Honeycomb structure, method of manufacturing the same, die for forming, and discharge fluid purification system
NGK INSULATORS LTD14 citations84
US7537634B2May 26, 2009
Method for manufacturing plugged honeycomb structure
NGK INSULATORS LTD10 citations83
US7695796B2Apr 13, 2010
Honeycomb structural body and method of manufacturing the same
NGK INSULATORS LTD10 citations82
US6421915B1Jul 23, 2002
Hexagonal-cell honeycomb structure and method for fixation thereof
NGK INSULATORS LTD11 citations74
US5259675ANov 9, 1993
Ceramic guide pin
NGK INSULATORS LTD7 citations73
US7981497B2Jul 19, 2011
Honeycomb structure and method of producing the same
NGK INSULATORS LTD5 citations63
US7972677B2Jul 5, 2011
Plugged honeycomb structure
NGK INSULATORS LTD2 citations63
US7897237B2Mar 1, 2011
Honeycomb structure and method of manufacturing the same
NGK INSULATORS LTD2 citations63
US7556664B2Jul 7, 2009
Sealed honeycomb structure and method of producing the same
NGK INSULATORS LTD5 citations63
US7325308B2Feb 5, 2008
Processing method utilizing display information for carrying a cell structure with a catalytic component
NGK INSULATORS LTD3 citations63
US7285214B2Oct 23, 2007
Honeycomb structure and method of manufacturing the same
NGK INSULATORS LTD6 citations63
US7225519B2Jun 5, 2007
Assembling method using marked information
NGK INSULATORS LTD5 citations63
US7022376B2Apr 4, 2006
Thin-walled honeycomb structure and method for reinforcing the same
NGK INSULATORS LTD3 citations63
US6656298B2Dec 2, 2003
Thin-walled honeycomb structure and method for reinforcing the same
NGK INSULATORS LTD3 citations63
US7507460B2Mar 24, 2009
Plugged honeycomb structure and method of manufacturing the same
NGK INSULATORS LTD3 citations62
US7615273B2Nov 10, 2009
Cell structure and method of manufacturing the same
NGK INSULATORS LTD2 citations61
US7721438B2May 25, 2010
Assembling method using marked information and assembly assembled by said assembling method
NGK INSULATORS LTD4 citations60
US8052911B2Nov 8, 2011
Method for manufacturing plugged honeycomb structure
NGK INSULATORS LTD1 citations52
US7534161B2May 19, 2009
Method for manufacturing cell structure
NGK INSULATORS LTD0 citations52
US8048508B2Nov 1, 2011
Plugged honeycomb structure
NGK INSULATORS LTD0 citations42