Inventor
HIJIKATA TOSHIHIKO
JP22 patents
Patents
22 patentsUS4857089AAug 15, 1989
Ceramic honeycomb filter for purifying exhaust gases
NGK INSULATORS LTD150 citations99
US5866079AFeb 2, 1999
Ceramic honeycomb catalytic converter
NGK INSULATORS LTD89 citations96
US5188779AFeb 23, 1993
Production of ceramic honeycomb structural bodies
NGK INSULATORS LTD56 citations95
US5566545AOct 22, 1996
Process and an apparatus for treating an exhaust gas, and a honeycomb structural exhaust gas filter
NGK INSULATORS LTD60 citations94
US7655195B1Feb 2, 2010
Undulated-wall honeycomb structure and manufacturing method thereof
NGK INSULATORS LTD35 citations92
US7078086B2Jul 18, 2006
Honeycomb structure and assembly thereof
NGK INSULATORS LTD28 citations92
US7052760B2May 30, 2006
Honeycomb structural body and assembly thereof
NGK INSULATORS LTD34 citations92
US7041359B2May 9, 2006
Honeycomb structure and assembly thereof
NGK INSULATORS LTD35 citations92
US6840083B2Jan 11, 2005
Method and apparatus for detecting cracks in honeycomb structure
NGK INSULATORS LTD20 citations92
US5782089AJul 21, 1998
Honeycomb catalytic converter
NGK INSULATORS LTD43 citations92
US5398541AMar 21, 1995
Process and an apparatus for determining pressure losses of exhaust gas purification honeycomb structural bodies, by presumption, at respective points of time when honeycomb structural bodies are to be regenerated
NGK INSULATORS LTD38 citations92
US4840827AJun 20, 1989
Ceramic honeycomb structural bodies and method of producing the same
NGK INSULATORS LTD43 citations92
US5102434AApr 7, 1992
Method of inspecting a honeycomb structural body for purifying exhaust gases and apparatus used in the method
NGK INSULATORS LTD36 citations89
US7087286B2Aug 8, 2006
Honeycomb structure and assembly thereof
NGK INSULATORS LTD18 citations84
US6242071B1Jun 5, 2001
Method for assembling ceramic honeycomb structure, and supporting member therefor
NGK INSULATORS LTD15 citations84
US5895700AApr 20, 1999
Honeycomb structural body
NGK INSULATORS LTD13 citations74
US4396664AAug 2, 1983
Ceramic honeycomb structural body
NGK INSULATORS LTD18 citations73
US6338826B2Jan 15, 2002
Gas duct having honeycomb structure
NGK INSULATORS LTD13 citations71
US4914065AApr 3, 1990
Process for regnerating ceramic honeycomb filters by combustion
NGK INSULATORS LTD12 citations71
US6521193B1Feb 18, 2003
Ceramic honeycomb gas duct assembly and method of making the same
NGK INSULATORS LTD9 citations70
US7163662B1Jan 16, 2007
Canning structure and manufacturing method thereof
NGK INSULATORS LTD1 citations52
US7802421B2Sep 28, 2010
PM generating apparatus
NGK INSULATORS LTD0 citations42