Inventor
MUKAIHIRA TAKASHI
JP14 patents
Patents
14 patentsUS5964811AOct 12, 1999
Control method and apparatus for diagnosing vehicles
HITACHI LTD94 citations98
US6085132AJul 4, 2000
Control method and apparatus for diagnosing vehicles
HITACHI LTD44 citations96
US5649420AJul 22, 1997
System for diagnosing deterioration of catalyst
HITACHI LTD38 citations96
US5526643AJun 18, 1996
System for diagnosing deterioration of catalyst
HITACHI LTD38 citations96
US5396176AMar 7, 1995
Combustion condition diagnosis utilizing multiple sampling of ionic current
HITACHI LTD55 citations96
US7114326B2Oct 3, 2006
System for diagnosing deterioration of catalyst
HITACHI LTD17 citations92
US5557933ASep 24, 1996
Malfunction diagnosis apparatus for internal combustion engine
HITACHI LTD30 citations92
US5400592AMar 28, 1995
Diagnostic apparatus for catalytic converter of an internal combustion engine
HITACHI LTD47 citations92
US5341642AAug 30, 1994
System for diagnosing engine exhaust gas purifying device and system for diagnosing sensor
HITACHI LTD42 citations92
US7424801B2Sep 16, 2008
System for diagnosing deterioration of catalyst
HITACHI LTD8 citations74
US6343466B1Feb 5, 2002
System for diagnosing deterioration of catalyst
HITACHI LTD9 citations74
US5819530AOct 13, 1998
Internal combustion engine controller with exhaust gas purification catalyst and its deterioration monitoring system
HITACHI LTD16 citations74
US5143553ASep 1, 1992
Control apparatus of ignition current conducting time
HITACHI LTD19 citations74
US5199405AApr 6, 1993
Ignition current conduction time control apparatus for internal combustion engine
HITACHI LTD4 citations63