Inventor · disambiguated record
Hatsuo Nagaishi
Also filed as: MATSUBARA YUJI · NAGAISHI HATSUO · TACHIBANA SETSUZO · YOSHINO TAKAHIRO
81 granted patents·2,019 citations·filing 1978–2007
99Inventor score
Top patents by PatentIndex Score
81 records- 0199US6363907B1Air induction control system for variable displacement internal combustion engineNISSAN MOTOR·Filed 2000·Granted Apr 2, 2002·118 cites·16 claims
- 0298US6947827B2Engine idle stop control system for vehiclesNISSAN MOTOR·Filed 2001·Granted Sep 20, 2005·99 cites·8 claims
- 0397US6425369B2Control apparatus for internal combustion enginesNISSAN MOTOR·Filed 2000·Granted Jul 30, 2002·70 cites·31 claims
- 0495US7209826B2Fuel properties estimation for internal combustion engineNISSAN MOTOR·Filed 2005·Granted Apr 24, 2007·27 cites·11 claims
- 0595US6840235B2Internal exhaust gas recirculation amount estimation system of internal combustion enginesNISSAN MOTOR·Filed 2003·Granted Jan 11, 2005·64 cites·32 claims
- 0695US6178934B1System and method for controlling internal combustion engineNISSAN MOTOR·Filed 1999·Granted Jan 30, 2001·95 cites·12 claims
- 0795US4750103ASystem and method for detecting and controlling knocking in an internal combustion engineNISSAN MOTOR·Filed 1985·Granted Jun 7, 1988·45 cites·25 claims
- 0895US4507986AControl system for motor vehicleNISSAN MOTOR·Filed 1982·Granted Apr 2, 1985·53 cites·11 claims
- 0995US4275694AElectronic controlled fuel injection systemNISSAN MOTOR·Filed 1979·Granted Jun 30, 1981·65 cites·5 claims
- 1094US7212909B2Ignition timing control for internal combustion engineNISSAN MOTOR·Filed 2005·Granted May 1, 2007·28 cites·12 claims
- 1194US6619245B1Failsafe control system and method for an electromagnetically driven valveNISSAN MOTOR·Filed 2000·Granted Sep 16, 2003·57 cites·21 claims
- 1293US6328007B1Internal cylinder intake-air quantity calculating apparatus and method for variable valve open/closure timing controlled engineNISSAN MOTOR·Filed 2000·Granted Dec 11, 2001·44 cites·13 claims
- 1393US4852538AFuel injection control system for internal combustion engineNISSAN MOTOR·Filed 1988·Granted Aug 1, 1989·37 cites·15 claims
- 1492US6502543B1Intake-air quantity control apparatus for internal combustion enginesNISSAN MOTOR·Filed 2000·Granted Jan 7, 2003·48 cites·25 claims
- 1591US7021298B2Internal EGR parameter estimating device for internal combustion engineNISSAN MOTOR·Filed 2005·Granted Apr 4, 2006·19 cites·18 claims
- 1690US5884605AController and control method for engine ignition timingNISSAN MOTOR·Filed 1997·Granted Mar 23, 1999·65 cites·21 claims
- 1789US7222606B2Ignition timing control for internal combustion engineNISSAN MOTOR·Filed 2005·Granted May 29, 2007·16 cites·12 claims
- 1888US7021286B2Ignition timing control for internal combustion engineNISSAN MOTOR·Filed 2005·Granted Apr 4, 2006·15 cites·19 claims
- 1988US6975933B2Fuel properties estimation for internal combustion engineNISSAN MOTOR·Filed 2004·Granted Dec 13, 2005·28 cites·19 claims
- 2088US6966304B2Estimation of oil-diluting fuel quantity of engineNISSAN MOTOR·Filed 2003·Granted Nov 22, 2005·32 cites·27 claims
- 2188US6553964B2Coordinated valve timing and throttle control for controlling intake airNISSAN MOTOR·Filed 2000·Granted Apr 29, 2003·28 cites·19 claims
- 2288US5690086AAir/fuel ratio control apparatusNISSAN MOTOR·Filed 1996·Granted Nov 25, 1997·55 cites·17 claims
- 2386US7025041B2Cylinder intake air quantity determination deviceNISSAN MOTOR·Filed 2005·Granted Apr 11, 2006·16 cites·14 claims
- 2486US6276316B1Intake-air quantity control apparatus for internal combustion engine with variable valve timing systemNISSAN MOTOR·Filed 1999·Granted Aug 21, 2001·81 cites·37 claims
- 2584US7255089B2Engine control device and control methodNISSAN MOTOR·Filed 2005·Granted Aug 14, 2007·11 cites·15 claims
- 2683US7493890B2Engine control device and control methodNISSAN MOTOR·Filed 2007·Granted Feb 24, 2009·10 cites·15 claims
- 2780US7107140B2Internal combustion engine control apparatusNISSAN MOTOR·Filed 2005·Granted Sep 12, 2006·13 cites·23 claims
- 2880US6349592B1Intake air quantity calculating apparatus for an internal combustion engine with a variable valve timing control mechanismNISSAN MOTOR·Filed 2000·Granted Feb 26, 2002·19 cites·9 claims
- 2980US5887568AController and control method for engine ignition timingNISSAN MOTOR·Filed 1997·Granted Mar 30, 1999·25 cites·25 claims
- 3080US5425349AEngine fuel injection controllerNISSAN MOTOR·Filed 1993·Granted Jun 20, 1995·32 cites·4 claims
- 3179US7092813B2Fuel injection control of engineNISSAN MOTOR·Filed 2005·Granted Aug 15, 2006·10 cites·16 claims
- 3279US6990968B2Engine fuel injection amount control deviceNISSAN MOTOR·Filed 2004·Granted Jan 31, 2006·22 cites·46 claims
- 3378US5474049AEngine fuel injection controllerNISSAN MOTOR·Filed 1993·Granted Dec 12, 1995·30 cites·8 claims
- 3477US4922877ASystem and method for controlling fuel injection quantity for internal combustion engineNISSAN MOTOR·Filed 1989·Granted May 8, 1990·27 cites·39 claims
- 3577US4185604AFeedback control system for gas flow in internal combustion engine for purpose of exhaust gas purificationNISSAN MOTOR·Filed 1978·Granted Jan 29, 1980·25 cites·24 claims
- 3675US6397814B1Apparatus and method for controlling intake air quantity for internal combustion engineNISSAN MOTOR·Filed 1999·Granted Jun 4, 2002·49 cites·42 claims
- 3771US4987890AFuel injection control system for internal combustion engineNISSAN MOTOR·Filed 1989·Granted Jan 29, 1991·15 cites·15 claims
- 3871US4377145AIntake vacuum sensing system with correction device for an internal combustion engineNISSAN MOTOR·Filed 1980·Granted Mar 22, 1983·24 cites·8 claims
- 3969US6142117ACombustion changeover control for engineNISSAN MOTOR·Filed 1998·Granted Nov 7, 2000·25 cites·19 claims
- 4067US4386520AFlow rate measuring apparatusNISSAN MOTOR·Filed 1981·Granted Jun 7, 1983·20 cites·4 claims
- 4166US5529043ASignal processorNISSAN MOTOR·Filed 1994·Granted Jun 25, 1996·20 cites·9 claims
- 4266US4602506ACombustion pressure sensor arrangementNISSAN MOTOR·Filed 1985·Granted Jul 29, 1986·22 cites·11 claims
- 4365US6513490B2Unthrottled intake air control with partial delay for requested engine response performanceNISSAN MOTOR·Filed 2000·Granted Feb 4, 2003·9 cites·19 claims
- 4464US6851411B2Knocking index value calculation device and calculation method thereofNISSAN MOTOR·Filed 2004·Granted Feb 8, 2005·8 cites·9 claims
- 4563US6856889B2Engine fuel injection controlNISSAN MOTOR·Filed 2004·Granted Feb 15, 2005·12 cites·18 claims
- 4663US4873641AInduction volume sensing arrangement for an internal combustion engine or the likeNISSAN MOTOR·Filed 1987·Granted Oct 10, 1989·14 cites·27 claims
- 4762US7489999B2Control apparatus and control method for variable valve apparatusHITACHI LTD·Filed 2007·Granted Feb 10, 2009·5 cites·21 claims
- 4862US6741924B2Apparatus and method for engine cylinder intake air quantity calculationNISSAN MOTOR·Filed 2002·Granted May 25, 2004·12 cites·14 claims
- 4961US8165784B2Apparatus and method for learning reference position of variable valve unitOKAMOTO NAOKI·Filed 2007·Granted Apr 24, 2012·2 cites·23 claims
- 5060US6990936B2System and method for controlling intake air by variable valve timingNISSAN MOTOR·Filed 2000·Granted Jan 31, 2006·7 cites·10 claims
Showing the top 50 of 81 patent records by PatentIndex Score.
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