Inventor · disambiguated record
Hiroyuki Itoyama
Also filed as: ITOYAMA HIROYUKI
41 granted patents·1,649 citations·filing 1991–2013
98Inventor score
Top patents by PatentIndex Score
41 records- 0198US6083139AHybrid drive system for vehicle with clutch controlNISSAN MOTOR·Filed 1999·Granted Jul 4, 2000·209 cites·21 claims
- 0298US5168851AVariable cam engine power controllerNISSAN MOTOR·Filed 1991·Granted Dec 8, 1992·66 cites·10 claims
- 0396US6301529B1Driving apparatus and method for hybrid vehicleNISSAN MOTOR·Filed 2000·Granted Oct 9, 2001·103 cites·14 claims
- 0494US7107978B2Engine control systemNISSAN MOTOR·Filed 2004·Granted Sep 19, 2006·52 cites·18 claims
- 0592US6962045B2Exhaust gas apparatus and method for purifying exhaust gas in internal combustion engineNISSAN MOTOR·Filed 2003·Granted Nov 8, 2005·46 cites·2 claims
- 0692US6917873B2Control of multiple supercharged compression ignition engines having EGRNISSAN MOTOR·Filed 2002·Granted Jul 12, 2005·44 cites·52 claims
- 0792US6341584B1Valve timing control device and method for vehicle engineNISSAN MOTOR·Filed 1999·Granted Jan 29, 2002·111 cites·16 claims
- 0891US6233508B1Drive power control device for hybrid vehicleNISSAN MOTOR·Filed 1999·Granted May 15, 2001·116 cites·9 claims
- 0990US6253127B1Engine startup control device and control methodNISSAN MOTOR·Filed 1999·Granted Jun 26, 2001·118 cites·9 claims
- 1090US6247311B1Diesel engine controllerNISSAN MOTOR·Filed 2000·Granted Jun 19, 2001·64 cites·11 claims
- 1189US5918582AIntegrated internal combustion engine control system with high-precision emission controlsNISSAN MOTOR·Filed 1996·Granted Jul 6, 1999·72 cites·4 claims
- 1288US7305828B2Engine boost pressure controlNISSAN MOTOR·Filed 2005·Granted Dec 11, 2007·21 cites·10 claims
- 1388US6298299B1Control apparatus for internal combustion engine and estimation apparatus for estimating pressure in intake and discharge system of internal combustion engineNISSAN MOTOR·Filed 2000·Granted Oct 2, 2001·28 cites·4 claims
- 1487US6230697B1Integrated internal combustion engine control system with high-precision emission controlsNISSAN MOTOR·Filed 1999·Granted May 15, 2001·61 cites·4 claims
- 1586US6606981B2Diesel engine controlNISSAN MOTOR·Filed 2001·Granted Aug 19, 2003·50 cites·12 claims
- 1685US6032656AIntegrated internal combustion engine control system with high-precision emission controlsNISSAN MOTOR·Filed 1998·Granted Mar 7, 2000·59 cites·12 claims
- 1784US9133811B2Method and apparatus for controlling start-up of internal combustion engineHIDEAKI TAKAHASHI·Filed 2011·Granted Sep 15, 2015·6 cites·6 claims
- 1882US6155954AEngine output control device for hybrid vehicleNISSAN MOTOR·Filed 1999·Granted Dec 5, 2000·66 cites·17 claims
- 1977US6701244B2Excess air factor control device for internal combustion engineNISSAN MOTOR·Filed 2001·Granted Mar 2, 2004·33 cites·19 claims
- 2075US6502563B2Diesel engine controlNISSAN MOTOR·Filed 2001·Granted Jan 7, 2003·20 cites·13 claims
- 2174US6170469B1Integrated internal combustion engine control system with high-precision emission controlsNISSAN MOTOR·Filed 1999·Granted Jan 9, 2001·36 cites·7 claims
- 2274US6012431AControl apparatus for internal combustion engine and estimation apparatus for estimating pressure in intake and discharge system of internal combustion engineNISSAN MOTOR·Filed 1997·Granted Jan 11, 2000·24 cites·12 claims
- 2374US5152267AVariable cam engineNISSAN MOTOR·Filed 1991·Granted Oct 6, 1992·42 cites·5 claims
- 2473US6412469B1Fuel injection control system for diesel engineNISSAN MOTOR·Filed 2000·Granted Jul 2, 2002·28 cites·20 claims
- 2572US6729303B2Diesel engine controlNISSAN MOTOR·Filed 2001·Granted May 4, 2004·18 cites·11 claims
- 2672US6640775B2Air-fuel ratio control system for internal combustion engineNISSAN MOTOR·Filed 2002·Granted Nov 4, 2003·14 cites·13 claims
- 2769US9267398B2Variable valve timing control device of internal combustion engineNISSAN MOTOR·Filed 2013·Granted Feb 23, 2016·2 cites·5 claims
- 2866US6681744B2Fuel injection control device for a diesel engineNISSAN MOTOR·Filed 2002·Granted Jan 27, 2004·15 cites·12 claims
- 2966US5529043ASignal processorNISSAN MOTOR·Filed 1994·Granted Jun 25, 1996·20 cites·9 claims
- 3064US9708986B2Method and apparatus for controlling start-up of internal combustion engineYASUDA HAJIME·Filed 2011·Granted Jul 18, 2017·3 cites·7 claims
- 3164US6167342AControl apparatus for internal combustion engine and estimation apparatus for estimating pressure in intake and discharge system of internal combustion engineNISSAN MOTOR·Filed 1999·Granted Dec 26, 2000·16 cites·4 claims
- 3263US6019094AEngine exhaust recirculation deviceNISSAN MOTOR·Filed 1998·Granted Feb 1, 2000·21 cites·5 claims
- 3358US5115779AEngine knock detecting systemNISSAN MOTOR·Filed 1991·Granted May 26, 1992·19 cites·7 claims
- 3456US9051855B2Engine valve timing control apparatusITO HIRONORI·Filed 2012·Granted Jun 9, 2015·1 cites·18 claims
- 3556US6705303B2Air-fuel ratio control apparatus and method for internal combustion engineNISSAN MOTOR·Filed 2002·Granted Mar 16, 2004·7 cites·20 claims
- 3652US6687598B2Method and system for controlling an engine with enhanced torque controlNISSAN MOTOR·Filed 2002·Granted Feb 3, 2004·7 cites·18 claims
- 3745US9157379B2Variable valve timing control device for internal combustion engineNISSAN MOTOR·Filed 2013·Granted Oct 13, 2015·0 cites·9 claims
- 3843US6026790ADiesel engine emission control systemNISSAN MOTOR·Filed 1997·Granted Feb 22, 2000·13 cites·11 claims
- 3942US6990802B2Apparatus and method for regenerating particulate filter that removes particulates out of exhaust gas for internal combustion engineNISSAN MOTOR·Filed 2003·Granted Jan 31, 2006·4 cites·24 claims
- 4040US6112723AActivation control device for an internal combustion engineNISSAN MOTOR·Filed 1998·Granted Sep 5, 2000·8 cites·9 claims
- 4139US5282450AEngine power controllerNISSAN MOTOR·Filed 1992·Granted Feb 1, 1994·6 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →