Inventor
MATSUNO OSAMU
JP27 patents
⚠️ This page may combine multiple inventors who share the name “MATSUNO OSAMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NISSAN MOTOR
21 patentsUS5979378ANov 9, 1999
Diagnosis apparatus for diagnosing variable valve timing mechanism
NISSAN MOTOR26 citations93
US5729971AMar 24, 1998
Engine catalyst temperature estimating device and catalyst diagnostic device
NISSAN MOTOR54 citations93
US6637194B2Oct 28, 2003
Exhaust emission control for engine
NISSAN MOTOR42 citations92
US6494038B2Dec 17, 2002
Engine air-fuel ratio controller
NISSAN MOTOR43 citations92
US6446429B2Sep 10, 2002
Air-fuel ratio control of engine
NISSAN MOTOR27 citations92
US6282889B1Sep 4, 2001
Air/fuel ration control system of internal combustion engine
NISSAN MOTOR23 citations92
US5644073AJul 1, 1997
Diagnostic system for variable valve timing control system
NISSAN MOTOR41 citations92
US5483945AJan 16, 1996
Air/fuel ratio control system for engine
NISSAN MOTOR25 citations92
US5440921AAug 15, 1995
Device for detecting misfire of internal combustion engine
NISSAN MOTOR30 citations92
US5408866AApr 25, 1995
Leak diagnosis system for evaporative emission control system
NISSAN MOTOR69 citations92
US5297047AMar 22, 1994
Diagnostic arrangement for use with automotive engine systems
NISSAN MOTOR35 citations92
US5137004AAug 11, 1992
Trouble diagnosis device for EGR system
NISSAN MOTOR40 citations92
US6622479B2Sep 23, 2003
Engine exhaust purification device
NISSAN MOTOR15 citations84
US6619032B2Sep 16, 2003
Engine exhaust purification device
NISSAN MOTOR18 citations84
US5746174AMay 5, 1998
Diagnostic system for pressure switch
NISSAN MOTOR10 citations74
US5679891AOct 21, 1997
Failure diagnostic apparatus for swirl control apparatus
NISSAN MOTOR12 citations74
US6381954B1May 7, 2002
Air/fuel ratio control system of internal combustion engine
NISSAN MOTOR10 citations73
US6453734B1Sep 24, 2002
Diagnosis for EGR system
NISSAN MOTOR11 citations72
US6564544B2May 20, 2003
Engine exhaust purification arrangement
NISSAN MOTOR3 citations62
US6499290B1Dec 31, 2002
Engine exhaust purification device
NISSAN MOTOR6 citations62
US6490859B2Dec 10, 2002
Engine exhaust purification device
NISSAN MOTOR5 citations62
HITACHI LTD
3 patentsUS6655200B2Dec 2, 2003
Failure diagnosis apparatus for exhaust gas recirculation system
HITACHI LTD17 citations91
US6508111B2Jan 21, 2003
Failure diagnosis apparatus for exhaust gas recirculation system
HITACHI LTD33 citations91
US6779390B2Aug 24, 2004
Failure diagnosis apparatus for exhaust gas recirculation system
HITACHI LTD6 citations72