Inventor
NISHIZAWA KIMIYOSHI
JP68 patents
⚠️ This page may combine multiple inventors who share the name “NISHIZAWA KIMIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NISSAN MOTOR
48 patentsUS6237330B1May 29, 2001
Exhaust purification device for internal combustion engine
NISSAN MOTOR170 citations99
US6679050B1Jan 20, 2004
Exhaust emission control device for internal combustion engine
NISSAN MOTOR92 citations98
US6341487B1Jan 29, 2002
Catalyst temperature control device and method of internal combustion engine
NISSAN MOTOR131 citations98
US5094074AMar 10, 1992
Catalytic converter with metallic carrier and method for producing same
NISSAN MOTOR94 citations96
US6347514B1Feb 19, 2002
Air-fuel ratio control system for engine
NISSAN MOTOR43 citations93
US6216450B1Apr 17, 2001
Exhaust emission control system for internal combustion engine
NISSAN MOTOR41 citations93
US6170260B1Jan 9, 2001
Exhaust emission control apparatus for combustion engine
NISSAN MOTOR20 citations93
US6145304ANov 14, 2000
Deterioration determination apparatus for exhaust emission control device of internal combustion engine
NISSAN MOTOR28 citations93
US6057263AMay 2, 2000
Metallic catalyst carrier
NISSAN MOTOR39 citations93
US5839276ANov 24, 1998
Engine catalytic converter
NISSAN MOTOR26 citations93
US5068218ANov 26, 1991
Honeycomb metal catalyst apparatus
NISSAN MOTOR32 citations93
US6635227B1Oct 21, 2003
Catalytic converter
NISSAN MOTOR28 citations92
US6539709B2Apr 1, 2003
Exhaust gas purifying system of internal combustion engine
NISSAN MOTOR43 citations92
US6510834B1Jan 28, 2003
Control for spark-ignited direct fuel injection internal combustion engine
NISSAN MOTOR33 citations92
US6334306B1Jan 1, 2002
Exhaust gas purification apparatus in combustion engine
NISSAN MOTOR33 citations92
US6263666B1Jul 24, 2001
Exhaust emission control device for internal combustion engine
NISSAN MOTOR51 citations92
US6233923B1May 22, 2001
Exhaust emission control device of internal combustion engine
NISSAN MOTOR50 citations92
US6185929B1Feb 13, 2001
Exhaust emission control system for internal combustion engine
NISSAN MOTOR34 citations92
US6101809AAug 15, 2000
Exhaust gas purifying system of internal combustion engine
NISSAN MOTOR41 citations92
US6475446B1Nov 5, 2002
Carrier body for exhaust gas catalysts
NISSAN MOTOR31 citations91
US6220018B1Apr 24, 2001
Exhaust emission control device
NISSAN MOTOR22 citations91
US6185933B1Feb 13, 2001
Exhaust emission control device for engine
NISSAN MOTOR30 citations91
US5784880AJul 28, 1998
Engine fuel supply control device
NISSAN MOTOR49 citations91
US5570575ANov 5, 1996
Fuel delivery control apparatus for use with internal combustion engine
NISSAN MOTOR51 citations89
US5388401AFeb 14, 1995
System and method for controlling air/fuel mixture ratio for internal combustion engine with exhaust secondary air supply apparatus
NISSAN MOTOR22 citations86
US7520127B2Apr 21, 2009
Exhaust manifold for four-cylinder engine
NISSAN MOTOR9 citations84
US7505845B2Mar 17, 2009
Control of internal combustion engine
NISSAN MOTOR12 citations84
US6962048B2Nov 8, 2005
Engine exhaust apparatus
NISSAN MOTOR17 citations84
US6962049B2Nov 8, 2005
Exhaust manifold for four-cylinder engine
NISSAN MOTOR13 citations84
US6014962AJan 18, 2000
Engine air-fuel ratio controller
NISSAN MOTOR17 citations84
US5953910ASep 21, 1999
Engine air-fuel ratio converter with means for determining the deterioration of the catalytic converter
NISSAN MOTOR17 citations84
US7322333B2Jan 29, 2008
Internal combustion engine air intake structure
NISSAN MOTOR15 citations83
US7188604B2Mar 13, 2007
Internal combustion engine air intake structure
NISSAN MOTOR14 citations83
US6761980B2Jul 13, 2004
Metallic catalyst carrier
NISSAN MOTOR15 citations83
US6447735B1Sep 10, 2002
Exhaust purifier and manufacturing method of same
NISSAN MOTOR14 citations83
US6116023ASep 12, 2000
Internal combustion engine with NOx absorbent catalyst
NISSAN MOTOR17 citations83
US8341937B2Jan 1, 2013
Diagnostic apparatus for an exhaust gas purification system of an internal combustion engine, an exhaust gas purification system and a diagnostic method thereof
NISSAN MOTOR13 citations82
US7748213B2Jul 6, 2010
Exhaust system
NISSAN MOTOR15 citations81
US7509800B2Mar 31, 2009
Exhaust system of multi-cylinder internal combustion engine
NISSAN MOTOR15 citations81
US6408816B1Jun 25, 2002
Control apparatus and method for direct-injection spark-ignition internal combustion engine
NISSAN MOTOR7 citations74
US6296813B1Oct 2, 2001
Exhaust emission control catalyst apparatus in internal combustion engine
NISSAN MOTOR13 citations74
US6192679B1Feb 27, 2001
Exhaust purification device and method for internal combustion engine
NISSAN MOTOR10 citations74
US5564404AOct 15, 1996
Air/fuel ratio control system of internal combustion engine
NISSAN MOTOR10 citations74
US5557929ASep 24, 1996
Control system for internal combustion engine equipped with exhaust gas purifying catalyst
NISSAN MOTOR9 citations74
US5215722AJun 1, 1993
Catalytic converter with electrically resistive catalyst support
NISSAN MOTOR17 citations74
US5152137AOct 6, 1992
Air-fuel ratio control system for automotive vehicle engine
NISSAN MOTOR14 citations74
US7418946B2Sep 2, 2008
Engine start control apparatus and method
NISSAN MOTOR8 citations73
US6685888B1Feb 3, 2004
Monolith supporting structure for use in catalytic converter
NISSAN MOTOR9 citations73
NISSAN MOTOR CO INC
1 patentNISSAN MOTOR COMPANY INC
1 patentShowing the top 50 of 68 patents by PatentIndex Score.