Inventor
FUKUCHI EISAKU
JP15 patents
⚠️ This page may combine multiple inventors who share the name “FUKUCHI EISAKU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
10 patentsUS6003309ADec 21, 1999
Diagnostic apparatus for exhaust gas clarification apparatus for internal combustion engine
HITACHI LTD40 citations92
US5740676AApr 21, 1998
Diagnostic apparatus for exhaust gas clarification apparatus for internal combustion engine
HITACHI LTD32 citations92
US5828976AOct 27, 1998
Detector device for combustion state in internal combustion engine
HITACHI LTD15 citations82
US7293453B2Nov 13, 2007
Misfire detection system for internal combustion engine
HITACHI LTD9 citations73
US6907341B2Jun 14, 2005
Misfire detector
HITACHI LTD10 citations73
US5991684ANov 23, 1999
Apparatus and method of detecting combustion state of internal combustion engine and recording medium storing program for execution of the detecting method
HITACHI LTD12 citations73
US5991685ANov 23, 1999
Combustion state detection system for internal combustion engine
HITACHI LTD16 citations73
US5951618ASep 14, 1999
Detector device for combustion state in internal combustion engine
HITACHI LTD10 citations73
US6474145B1Nov 5, 2002
Combustion state detection system for internal combustion engine
HITACHI LTD3 citations62
US8011174B2Sep 6, 2011
Apparatus for diagnosing exhaust gas purifying device
HITACHI LTD0 citations35