P

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 patents
US5979378ANov 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 patents

CELANESE CORP

1 patent

POLYPLASTICS CO

1 patent

MURATA MACHINERY LTD

1 patent