Inventor
TOCHIKAWA KAZUHARU
JP17 patents
⚠️ This page may combine multiple inventors who share the name “TOCHIKAWA KAZUHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DENSO CORP
16 patentsUS7458206B2Dec 2, 2008
Exhaust gas purification system of internal combustion engine
DENSO CORP28 citations92
US7254940B2Aug 14, 2007
Exhaust gas purification system of internal combustion engine
DENSO CORP35 citations92
US6966178B2Nov 22, 2005
Internal combustion engine exhaust gas purification system
DENSO CORP46 citations92
US7162867B2Jan 16, 2007
Exhaust gas purifying device for internal combustion engine
DENSO CORP17 citations84
US7051519B2May 30, 2006
Exhaust gas cleaning device for internal combustion engine
DENSO CORP12 citations84
US7793538B2Sep 14, 2010
Apparatus for diagnosing abnormal operation of pressure difference detection apparatus of internal combustion engine exhaust system
DENSO CORP15 citations83
US7159390B2Jan 9, 2007
Exhaust gas cleaner for internal combustion engine with particulate filter having heat-absorbing area
DENSO CORP12 citations83
US7794528B2Sep 14, 2010
Exhaust gas cleaning device for internal combustion engine
DENSO CORP17 citations82
US7325395B2Feb 5, 2008
Exhaust gas purification device of internal combustion engine
DENSO CORP8 citations73
US7574857B2Aug 18, 2009
Exhaust emission control system for internal combustion engine
DENSO CORP4 citations62
US7322186B2Jan 29, 2008
Exhaust gas purifying system for internal combustion engine
DENSO CORP4 citations62
US7624571B2Dec 1, 2009
Exhaust gas purifying apparatus for internal combustion engine and method for estimating collected amount of exhaust particles
DENSO CORP3 citations60
US11333687B2May 17, 2022
Sensor unit
DENSO CORP0 citations49
US11088630B2Aug 10, 2021
Power converter
DENSO CORP0 citations48
US7841171B2Nov 30, 2010
Exhaust emission control device for internal combustion engine
DENSO CORP0 citations40
US7707827B2May 4, 2010
Exhaust gas purifying apparatus for internal combustion engine
DENSO CORP0 citations39