Inventor
YOKOYAMA MASAKUNI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA MASAKUNI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DENSO CORP
7 patentsUS7886521B2Feb 15, 2011
Diagnosis device of exhaust purification catalyst
DENSO CORP8 citations80
US7797925B2Sep 21, 2010
Exhaust gas purifying system for internal combustion engine
DENSO CORP4 citations61
US7797097B2Sep 14, 2010
Exhaust purification device for internal combustion engine
DENSO CORP5 citations61
US7707823B2May 4, 2010
Exhaust purification device for internal combustion engine
DENSO CORP4 citations58
US7769531B2Aug 3, 2010
Control device of internal combustion engine
DENSO CORP0 citations51
US7836686B2Nov 23, 2010
Exhaust gas purifying system for internal combustion engine
DENSO CORP0 citations40
US8033103B2Oct 11, 2011
Exhaust purification device
DENSO CORP0 citations37