Inventor · disambiguated record
Shotaro Naito
Also filed as: NAITO SHOTARO
31 granted patents·1,522 citations·filing 1975–2003
98Inventor score
Files withHITACHI LTD31
Top patents by PatentIndex Score
31 records- 0199US5780980AElectric car drive system provided with hybrid battery and control methodHITACHI LTD·Filed 1996·Granted Jul 14, 1998·323 cites·14 claims
- 0296US4874053ATorque detecting apparatusHITACHI LTD·Filed 1988·Granted Oct 17, 1989·118 cites·35 claims
- 0391US4398260ASkid control methodHITACHI LTD·Filed 1980·Granted Aug 9, 1983·32 cites·11 claims
- 0490US5808448AMethod and apparatus for operating an electric vehicle having a hybrid batteryHITACHI LTD·Filed 1995·Granted Sep 15, 1998·100 cites·7 claims
- 0590US5357181AFailure detection method for electric vehicles and fail-safe control method using this methodHITACHI LTD·Filed 1993·Granted Oct 18, 1994·123 cites·24 claims
- 0687US4970645ASuspension control method and apparatus for vehicleHITACHI LTD·Filed 1988·Granted Nov 13, 1990·55 cites·28 claims
- 0786US5567880ASemiconductor accelerometerHITACHI LTD·Filed 1993·Granted Oct 22, 1996·55 cites·5 claims
- 0885US6752226B2System for driving hybrid vehicle, method thereof and electric power supply system thereforHITACHI LTD·Filed 2003·Granted Jun 22, 2004·41 cites·1 claims
- 0985US5793106ASemiconductor deviceHITACHI LTD·Filed 1996·Granted Aug 11, 1998·86 cites·15 claims
- 1082US5476310ABraking apparatus for electric vehicleHITACHI LTD·Filed 1994·Granted Dec 19, 1995·87 cites·7 claims
- 1182US4564905ATrip computer for vehiclesHITACHI LTD·Filed 1983·Granted Jan 14, 1986·34 cites·3 claims
- 1281US4124812ABraking control apparatus for an electric motor operated vehicleHITACHI LTD·Filed 1976·Granted Nov 7, 1978·30 cites·11 claims
- 1376US4745319AMagneto D.C. motor having elastic magnet mounting retainersHITACHI LTD·Filed 1985·Granted May 17, 1988·41 cites·3 claims
- 1476US4553196APower source system for vehicular electronic deviceHITACHI LTD·Filed 1982·Granted Nov 12, 1985·24 cites·8 claims
- 1570US4500820AProtective control apparatus for electrical vehicleHITACHI LTD·Filed 1981·Granted Feb 19, 1985·23 cites·5 claims
- 1669US5228341ACapacitive acceleration detector having reduced mass portionHITACHI LTD·Filed 1990·Granted Jul 20, 1993·45 cites·10 claims
- 1769US4635034ADisplay apparatus for vehicleHITACHI LTD·Filed 1983·Granted Jan 6, 1987·18 cites·4 claims
- 1868US5600215AController for electric vehicleHITACHI LTD·Filed 1995·Granted Feb 4, 1997·39 cites·10 claims
- 1968US4150324ASpeed control system of traction motor for electric vehiclesHITACHI LTD·Filed 1977·Granted Apr 17, 1979·16 cites·2 claims
- 2067US6766874B2System for driving hybrid vehicle, method thereof and electric power supply system thereforHITACHI LTD·Filed 1999·Granted Jul 27, 2004·46 cites·20 claims
- 2165US4025836AProtective system against commutation failure in a chopper circuitHITACHI LTD·Filed 1975·Granted May 24, 1977·18 cites·11 claims
- 2264US4366420AElectromobile control deviceHITACHI LTD·Filed 1980·Granted Dec 28, 1982·21 cites·22 claims
- 2364US4039853AMagnetizing device for permanent magnet motor for electric vehicleHITACHI LTD·Filed 1975·Granted Aug 2, 1977·17 cites·3 claims
- 2461US4665497AElectronic odometerHITACHI LTD·Filed 1984·Granted May 12, 1987·14 cites·6 claims
- 2554US6236172B1Driving system for electric vehicleHITACHI LTD·Filed 1999·Granted May 22, 2001·31 cites·4 claims
- 2653US4732120AControl apparatus for internal combustion engine provided with permanent magnet type starting motorHITACHI LTD·Filed 1986·Granted Mar 22, 1988·14 cites·6 claims
- 2752US5557181ABrake control apparatus for electric motor vehicleHITACHI LTD·Filed 1993·Granted Sep 17, 1996·25 cites·28 claims
- 2848US4580083AChopper controller for a D.C. motorHITACHI LTD·Filed 1984·Granted Apr 1, 1986·11 cites·22 claims
- 2946US4222005ATesting device for generator output voltage regulatorsHITACHI LTD·Filed 1978·Granted Sep 9, 1980·12 cites·9 claims
- 3040US5631796AElectric vehicle control systemHITACHI LTD·Filed 1995·Granted May 20, 1997·16 cites·25 claims
- 3138US5544523APhysical quantity sensor arrangementHITACHI LTD·Filed 1994·Granted Aug 13, 1996·7 cites·8 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →