Inventor · disambiguated record
Katsuhiko Kawamura
Also filed as: KAWAMURA KATSUHIKO
25 granted patents·1 pending application·728 citations·filing 1992–2005
97Inventor score
Files withNISSAN MOTOR26
Top patents by PatentIndex Score
26 records- 0195US6276343B1Leak diagnostic system of evaporative emission control system for internal combustion enginesNISSAN MOTOR·Filed 1999·Granted Aug 21, 2001·82 cites·14 claims
- 0294US6938420B2Supercharger for internal combustion engineNISSAN MOTOR·Filed 2003·Granted Sep 6, 2005·104 cites·21 claims
- 0392US5448980ALeak diagnosis system for evaporative emission control systemNISSAN MOTOR·Filed 1993·Granted Sep 12, 1995·57 cites·8 claims
- 0491US6971350B2Variable valve control system for internal combustion engineNISSAN MOTOR·Filed 2005·Granted Dec 6, 2005·18 cites·21 claims
- 0590US5408866ALeak diagnosis system for evaporative emission control systemNISSAN MOTOR·Filed 1993·Granted Apr 25, 1995·69 cites·15 claims
- 0687US6922995B2Supercharging device for internal combustion engineNISSAN MOTOR·Filed 2004·Granted Aug 2, 2005·41 cites·19 claims
- 0785US5644073ADiagnostic system for variable valve timing control systemNISSAN MOTOR·Filed 1996·Granted Jul 1, 1997·41 cites·15 claims
- 0883US7021258B2Learning apparatus and method for variable valve control of internal combustion engineNISSAN MOTOR·Filed 2005·Granted Apr 4, 2006·9 cites·23 claims
- 0982US6220229B1Apparatus for detecting evaporative emission control system leakNISSAN MOTOR·Filed 1999·Granted Apr 24, 2001·40 cites·13 claims
- 1081US7077085B2Variable valve control system and method for multi-cylinder internal combustion engineNISSAN MOTOR·Filed 2005·Granted Jul 18, 2006·12 cites·20 claims
- 1180US5644912ASystem for diagnosing deterioration of catalyst in exhaust system of internal combustion engineNISSAN MOTOR·Filed 1995·Granted Jul 8, 1997·38 cites·26 claims
- 1276US6227037B1Diagnosis for evaporative emission control systemNISSAN MOTOR·Filed 1999·Granted May 8, 2001·31 cites·15 claims
- 1373US7308873B2Variable valve control system for internal combustion engineNISSAN MOTOR·Filed 2005·Granted Dec 18, 2007·10 cites·22 claims
- 1471US6220230B1Evaporative emission control system for internal combustion engineNISSAN MOTOR·Filed 1999·Granted Apr 24, 2001·27 cites·12 claims
- 1571US5483945AAir/fuel ratio control system for engineNISSAN MOTOR·Filed 1994·Granted Jan 16, 1996·25 cites·25 claims
- 1671US5440921ADevice for detecting misfire of internal combustion engineNISSAN MOTOR·Filed 1992·Granted Aug 15, 1995·30 cites·5 claims
- 1769US6230553B1Abnormality diagnosis apparatus of engine cooling systemNISSAN MOTOR·Filed 1998·Granted May 15, 2001·25 cites·13 claims
- 1860US6820579B2Variable valve operating system of engine enabling variation of working angle and phaseNISSAN MOTOR·Filed 2003·Granted Nov 23, 2004·10 cites·21 claims
- 1959US6931838B2Engine exhaust gas leak diagnosisNISSAN MOTOR·Filed 2002·Granted Aug 23, 2005·9 cites·10 claims
- 2058US7051704B2Intake air control apparatus and method for internal combustion engineNISSAN MOTOR·Filed 2004·Granted May 30, 2006·13 cites·18 claims
- 2155US7216239B2Counterfeit detecting program, method, and apparatus of digital dataNISSAN MOTOR·Filed 2002·Granted May 8, 2007·4 cites·37 claims
- 2255US6877493B2Variable operation intake valve controlling apparatus and method for internal combustion engineNISSAN MOTOR·Filed 2003·Granted Apr 12, 2005·6 cites·15 claims
- 2349US6102015ADiagnostic device and method for exhaust gas recirculation systemNISSAN MOTOR·Filed 1999·Granted Aug 15, 2000·12 cites·17 claims
- 2444US7328673B2Valve timing correction control apparatus and method for an internal combustion engineNISSAN MOTOR·Filed 2003·Granted Feb 12, 2008·4 cites·3 claims
- 2543US6453734B1Diagnosis for EGR systemNISSAN MOTOR·Filed 1999·Granted Sep 24, 2002·11 cites·5 claims
- 2625US2004016292A1Failure diagnosis apparatus and method for diagnosing position control systemNISSAN MOTOR·Filed 2003·Application pending·0 cites
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