Inventor · disambiguated record
Hiroshi Kuroiwa
Also filed as: KUROIWA HIROSHI
89 granted patents·6 pending applications·2,070 citations·filing 1977–2018
99Inventor score
Files withHITACHI LTD80RENESAS ELECTRONICS CORP5HITACHI CAR ENG CO LTD2RENESAS TECH CORP2HITACHI LTD & HITACHI CAR ENGI1
Top patents by PatentIndex Score
95 records- 0197US5369581AVehicle control apparatus and method thereforHITACHI LTD·Filed 1993·Granted Nov 29, 1994·86 cites·16 claims
- 0296US4132199AAir-fuel ratio control apparatusHITACHI LTD·Filed 1977·Granted Jan 2, 1979·53 cites·15 claims
- 0395US7093512B2Automatic transmission, dynamo-electric machine, and carHITACHI LTD·Filed 2004·Granted Aug 22, 2006·76 cites·3 claims
- 0495US6941830B2Automatic transmission, dynamo-electric machine, and carHITACHI LTD·Filed 2001·Granted Sep 13, 2005·79 cites·17 claims
- 0594US5468196AMethod and an apparatus for controlling a car equipped with an automatic transmission having a lockup clutchHITACHI LTD·Filed 1993·Granted Nov 21, 1995·42 cites·26 claims
- 0694US4887574AControl apparatus for internal combustion enginesHITACHI LTD·Filed 1988·Granted Dec 19, 1989·38 cites·13 claims
- 0793US7226379B2Active shift transmission, transmission control unit and automobileHITACHI CAR ENG CO LTD·Filed 2004·Granted Jun 5, 2007·54 cites·6 claims
- 0893US6757129B2Magnetic disk storage apparatusRENESAS TECH CORP·Filed 2002·Granted Jun 29, 2004·42 cites·11 claims
- 0993US4424568AMethod of controlling internal combustion engineHITACHI LTD·Filed 1981·Granted Jan 3, 1984·58 cites·15 claims
- 1092US7492132B2Switching regulatorRENESAS TECH CORP·Filed 2006·Granted Feb 17, 2009·40 cites·4 claims
- 1192US4142407AAir flow metering apparatus for internal combustion enginesHITACHI LTD·Filed 1977·Granted Mar 6, 1979·54 cites·11 claims
- 1291US5826208APowertrain control device for a vehicle using targeted tongue generation for eliminating shift shockHITACHI LTD·Filed 1995·Granted Oct 20, 1998·47 cites·24 claims
- 1390US7083545B2Automatic transmission system and automobile using the systemHITACHI CAR ENG CO LTD·Filed 2003·Granted Aug 1, 2006·32 cites·13 claims
- 1490US6106434AApparatus and method for controlling gearshifts in response to gradient, vehicle speed and busy shift areas or engine brake areasHITACHI LTD·Filed 1998·Granted Aug 22, 2000·45 cites·4 claims
- 1590US5681238AMethod and an apparatus for controlling a car equipped with an automatic transmission having a lockup clutchHITACHI LTD·Filed 1996·Granted Oct 28, 1997·33 cites·3 claims
- 1689US9621151B2Semiconductor device and electric power control apparatusRENESAS ELECTRONICS CORP·Filed 2016·Granted Apr 11, 2017·6 cites·17 claims
- 1789US7476176B2Automatic transmission, dynamo-electric machine, and carHITACHI LTD·Filed 2006·Granted Jan 13, 2009·18 cites·4 claims
- 1889US7150698B2Power transmission apparatus for automobileHITACHI LTD·Filed 2002·Granted Dec 19, 2006·56 cites·6 claims
- 1989US4373387AAir flow meterHITACHI LTD·Filed 1980·Granted Feb 15, 1983·39 cites·13 claims
- 2088US6243637B1Control apparatus and method for automatic transmission by oil pressure on clutchHITACHI LTD·Filed 1999·Granted Jun 5, 2001·41 cites·16 claims
- 2188US6014604APowertrain control deviceHITACHI LTD & HITACHI CAR ENGI·Filed 1998·Granted Jan 11, 2000·39 cites·2 claims
- 2288US4616621AMethod of air-fuel ratio control of internal combustion engines of automobilesHITACHI LTD·Filed 1983·Granted Oct 14, 1986·30 cites·8 claims
- 2387US7848044B2VCM driver and PWM amplifierRENESAS ELECTRONICS CORP·Filed 2010·Granted Dec 7, 2010·8 cites·11 claims
- 2487US6095117AMethod and an apparatus for controlling a car equipped with an automatic transmission having a lockup clutchHITACHI LTD·Filed 1999·Granted Aug 1, 2000·59 cites·5 claims
- 2586US7367917B2Shift change control system and automatic transmission system of automobileHITACHI LTD·Filed 2006·Granted May 6, 2008·12 cites·14 claims
- 2686US6550352B2Device and method for automatic transmission controlHITACHI LTD·Filed 2001·Granted Apr 22, 2003·25 cites·9 claims
- 2786US4448070AHot-wire type flow velocity meterHITACHI LTD·Filed 1982·Granted May 15, 1984·32 cites·9 claims
- 2886US4400974AIntake air amount detecting system for internal combustion enginesHITACHI LTD·Filed 1981·Granted Aug 30, 1983·39 cites·8 claims
- 2986US4349877AElectronically controlled carburetorHITACHI LTD·Filed 1980·Granted Sep 14, 1982·28 cites·4 claims
- 3083US4552116AEngine control apparatusHITACHI LTD·Filed 1984·Granted Nov 12, 1985·26 cites·4 claims
- 3182US7331897B2Active shift transmission, transmission control unit and automobileHITACHI LTD·Filed 2007·Granted Feb 19, 2008·13 cites·6 claims
- 3281US4562731AAir flow meterHITACHI LTD·Filed 1982·Granted Jan 7, 1986·28 cites·4 claims
- 3380US6173226B1Control apparatus and method for powertrain of a vehicleHITACHI LTD·Filed 1998·Granted Jan 9, 2001·66 cites·18 claims
- 3480US4404846AAir flow rate measuring device incorporating hot wire type air flow meterHITACHI LTD·Filed 1981·Granted Sep 20, 1983·32 cites·4 claims
- 3579US6588292B2Transmission including clutch and shaft driving deviceHITACHI LTD·Filed 2001·Granted Jul 8, 2003·21 cites·19 claims
- 3679US4425886AElectronic control apparatus for internal combustion engineHITACHI LTD·Filed 1980·Granted Jan 17, 1984·21 cites·19 claims
- 3778US7628720B2Vehicle control apparatus and methodHITACHI LTD·Filed 2007·Granted Dec 8, 2009·7 cites·14 claims
- 3878US5938712ADrive shaft torque controlling apparatus for use in a vehicle having a power transmission mechanism and method thereforHITACHI LTD AND HITACHI AUTOMO·Filed 1996·Granted Aug 17, 1999·55 cites·5 claims
- 3977US6961647B2Method of controlling a vehicle and system of controlling the sameHITACHI LTD·Filed 2002·Granted Nov 1, 2005·17 cites·6 claims
- 4077US4612895AFuel flow detector and fuel controller using fuel flow detectorHITACHI LTD·Filed 1984·Granted Sep 23, 1986·27 cites·4 claims
- 4176US8482233B2Hard disc device control circuit and hard disc deviceKUROIWA HIROSHI·Filed 2010·Granted Jul 9, 2013·5 cites·4 claims
- 4274US7710678B2VCM driver and PWM amplifierRENESAS TECHNOLGY CORP·Filed 2008·Granted May 4, 2010·3 cites·9 claims
- 4374US5688207AControl apparatus for automatic transmission and control method thereforeHITACHI LTD·Filed 1996·Granted Nov 18, 1997·22 cites·4 claims
- 4474US4478075AAir flow meterHITACHI LTD·Filed 1982·Granted Oct 23, 1984·25 cites·14 claims
- 4573US6770010B2Method of controlling a vehicle, apparatus for controlling the same, transmission and apparatus for controlling the sameHITACHI LTD·Filed 2002·Granted Aug 3, 2004·22 cites·29 claims
- 4673US6063004AControl apparatus and control method for an engine powertrain of a vehicleHITACHI LTD·Filed 1997·Granted May 16, 2000·24 cites·10 claims
- 4772US7632209B2Vehicular drive system and driving methodHITACHI LTD·Filed 2006·Granted Dec 15, 2009·7 cites·2 claims
- 4870US6658842B2Hydraulic systemHITACHI LTD·Filed 2002·Granted Dec 9, 2003·12 cites·5 claims
- 4970US5588936AControl apparatus for automatic transmission and control method thereforeHITACHI LTD·Filed 1995·Granted Dec 31, 1996·20 cites·22 claims
- 5070US5574211ADetector having self-calibration functionHITACHI LTD·Filed 1995·Granted Nov 12, 1996·20 cites·16 claims
Showing the top 50 of 95 patent records by PatentIndex Score.
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