Inventor · disambiguated record
Masami Nagano
Also filed as: NAGANO MASAMI
59 granted patents·12 pending applications·1,176 citations·filing 1976–2025
99Inventor score
Files withHITACHI LTD57HITACHI CAR ENG CO LTD5TOYOTA MOTOR CO LTD3HITACHI HIGH TECH CORP1HITACHI LDT1
Top patents by PatentIndex Score
71 records- 0195US5069183AMulti-cylinder engine control method and electronic control apparatus thereforHITACHI LTD·Filed 1989·Granted Dec 3, 1991·40 cites·7 claims
- 0293US7219650B2Control apparatus of fuel injection type internal combustion engineHITACHI LTD·Filed 2006·Granted May 22, 2007·24 cites·9 claims
- 0393US4799469AApparatus and method for controlling ignition timing for internal combustion engineHITACHI LTD·Filed 1987·Granted Jan 24, 1989·36 cites·9 claims
- 0492US7509799B2Engine exhaust gas treatment system and exhaust gas treatment processHITACHI HIGH TECH CORP·Filed 2004·Granted Mar 31, 2009·76 cites·10 claims
- 0592US7369925B2Vehicle failure diagnosis apparatus and in-vehicle terminal for vehicle failure diagnosisHITACHI LTD·Filed 2005·Granted May 6, 2008·55 cites·10 claims
- 0692US6543412B2Intake air control device and internal combustion engine mounting the sameHITACHI LTD·Filed 2001·Granted Apr 8, 2003·72 cites·5 claims
- 0790US5718203AControl apparatus for an engine of direct injectionHITACHI LTD·Filed 1996·Granted Feb 17, 1998·59 cites·10 claims
- 0889US6519513B2Hybrid vehicle control apparatusHITACHI LTD·Filed 2001·Granted Feb 11, 2003·57 cites·19 claims
- 0989US5256959AControl system for generator mounted on vehicleHITACHI LTD·Filed 1991·Granted Oct 26, 1993·79 cites·14 claims
- 1089US4852537AIgnition timing control apparatus for internal combustion engineHITACHI LTD·Filed 1987·Granted Aug 1, 1989·29 cites·10 claims
- 1189US4403741AElectromagnetic fuel injection valveHITACHI LTD·Filed 1981·Granted Sep 13, 1983·34 cites·6 claims
- 1286US5113833AMethod and controller for supplying fuel to cylinders of multicylinder internal combustion engineHITACHI LTD·Filed 1990·Granted May 19, 1992·35 cites·12 claims
- 1383US6606976B2Fuel supply system of internal combustion engineHITACHI LTD·Filed 2001·Granted Aug 19, 2003·21 cites·16 claims
- 1482US6820864B2Fuel vaporization promoting apparatus and fuel carburetion acceleratorHITACHI LTD·Filed 2002·Granted Nov 23, 2004·20 cites·7 claims
- 1581US6557521B2Fuel supply system for internal combustion engineHITACHI LTD·Filed 2001·Granted May 6, 2003·25 cites·45 claims
- 1681US5086741AMethod and apparatus for detecting and controlling combustion condition in an internal combustion engineHITACHI LTD·Filed 1990·Granted Feb 11, 1992·52 cites·17 claims
- 1781US4887573AIgnition timing adjusting apparatus for internal combustion engineHITACHI LTD·Filed 1988·Granted Dec 19, 1989·25 cites·4 claims
- 1880US6588399B2Fuel injection method of internal combustion engine and fuel injection apparatus of internal combustion engineHITACHI LTD·Filed 2001·Granted Jul 8, 2003·19 cites·16 claims
- 1980US4719885AElectronic control fuel injection deviceHITACHI LTD·Filed 1987·Granted Jan 19, 1988·23 cites·8 claims
- 2079US6543419B2Fuel injection system for internal combustion engineHITACHI LDT·Filed 2001·Granted Apr 8, 2003·22 cites·16 claims
- 2178US4229384ACarburetor with starting meansHITACHI LTD·Filed 1978·Granted Oct 21, 1980·17 cites·3 claims
- 2274US6508236B2Fuel supply device and internal combustion engine mounting the sameHITACHI LTD·Filed 2001·Granted Jan 21, 2003·15 cites·10 claims
- 2374US5111405AEngine control systemHITACHI LTD·Filed 1990·Granted May 5, 1992·26 cites·12 claims
- 2471US7150144B2Engine control apparatusHITACHI LTD·Filed 2004·Granted Dec 19, 2006·16 cites·12 claims
- 2570US5058550AMethod for determining the control values of a multicylinder internal combustion engine and apparatus thereforHITACHI LTD·Filed 1990·Granted Oct 22, 1991·37 cites·5 claims
- 2669US2025313068A1Vehicle control deviceTOYOTA MOTOR CO LTD·Filed 2025·Application pending·0 cites
- 2768US6782694B2Method and apparatus for controlling an engineHITACHI LTD·Filed 2002·Granted Aug 31, 2004·15 cites·17 claims
- 2868US4825833AEngine control apparatusHITACHI LTD·Filed 1987·Granted May 2, 1989·16 cites·7 claims
- 2967US7093426B2Starting apparatus, starting method, control method and exhaust filtration apparatus of internal combustion engineHITACHI CAR ENG CO LTD·Filed 2003·Granted Aug 22, 2006·14 cites·7 claims
- 3062US6854448B2Fuel injection valve and fuel injection systemHITACHI LTD·Filed 2001·Granted Feb 15, 2005·16 cites·15 claims
- 3160US7080507B2Exhaust gas purifierHITACHI CAR ENG CO LTD·Filed 2004·Granted Jul 25, 2006·9 cites·16 claims
- 3259US5148791AMethod of electronic engine control for internal combustion engine having a plurality of cylindersHITACHI LTD·Filed 1991·Granted Sep 22, 1992·16 cites·6 claims
- 3356US7246486B2Combination of selected opioids with other active substances for use in the therapy of urinary incontinenceHITACHI LTD·Filed 2003·Granted Jul 24, 2007·12 cites·6 claims
- 3455US7240661B2Fuel injection device for internal combustion engineHITACHI CAR ENG CO LTD·Filed 2005·Granted Jul 10, 2007·2 cites·2 claims
- 3555US5226393AAltitude decision system and an engine operating parameter control system using the sameHITACHI LTD·Filed 1992·Granted Jul 13, 1993·14 cites·10 claims
- 3654US7267100B2Controller of internal combustion engineHITACHI CAR ENG CO LTD·Filed 2001·Granted Sep 11, 2007·8 cites·6 claims
- 3754US6584962B2Engine control, apparatus for a multicylinder engineHITACHI LTD·Filed 2001·Granted Jul 1, 2003·12 cites·9 claims
- 3854US4742807AElectronic control device for internal combustion engineHITACHI LTD·Filed 1986·Granted May 10, 1988·10 cites·11 claims
- 3953US5319558AEngine control method and apparatusHITACHI LTD·Filed 1991·Granted Jun 7, 1994·13 cites·17 claims
- 4052US6668794B2Fuel injection device for internal combustion engineHITACHI LTD·Filed 2001·Granted Dec 30, 2003·4 cites·12 claims
- 4151US4624134AHot-wire air-flow meterHITACHI LTD·Filed 1984·Granted Nov 25, 1986·11 cites·8 claims
- 4250US6675574B2Control unit for internal combustion engineHITACHI LTD·Filed 2002·Granted Jan 13, 2004·5 cites·2 claims
- 4350US4862855AControl apparatus for internal combustion engineHITACHI LTD·Filed 1988·Granted Sep 5, 1989·12 cites·4 claims
- 4447US11778697B2Heating apparatus for window glass of vehicleTOYOTA MOTOR CO LTD·Filed 2020·Granted Oct 3, 2023·0 cites·4 claims
- 4547US7013869B2Fuel supply system for internal combustion engineHITACHI LTD·Filed 2003·Granted Mar 21, 2006·3 cites·13 claims
- 4646US2005268891A1Fuel supply system of internal combustion engineHITACHI LTD·Filed 2005·Application pending·0 cites
- 4745US6536412B2Control device for internal combustion engineHITACHI LTD·Filed 2001·Granted Mar 25, 2003·6 cites·14 claims
- 4845US4550705AElectrical fuel injectorHITACHI LTD·Filed 1983·Granted Nov 5, 1985·7 cites·7 claims
- 4944US4953532AIgnition timing control unit for internal combustion engineHITACHI LTD·Filed 1989·Granted Sep 4, 1990·8 cites·8 claims
- 5043US5033437AMethod of controlling air-fuel ratio for use in internal combustion engine and apparatus of controlling the sameHITACHI LTD·Filed 1989·Granted Jul 23, 1991·6 cites·9 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
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