Inventor · disambiguated record
Kohei Sakurai
Also filed as: SAKURAI KOHEI
48 granted patents·16 pending applications·550 citations·filing 2000–2021
98Inventor score
Files withHITACHI LTD28HITACHI AUTOMOTIVE SYSTEMS LTD12SAKURAI KOHEI11RENESAS TECH CORP2HITACHI CONSTRUCTION MACH CO1
Top patents by PatentIndex Score
64 records- 0198US7630807B2Vehicle control systemHITACHI LTD·Filed 2005·Granted Dec 8, 2009·112 cites·43 claims
- 0297US8645022B2Vehicle control systemYOSHIMURA KENTARO·Filed 2009·Granted Feb 4, 2014·56 cites·12 claims
- 0393US7263416B2Electrical control unit for an automobileHITACHI LTD·Filed 2003·Granted Aug 28, 2007·41 cites·28 claims
- 0490US9650038B2Vehicle control systemHITACHI LTD·Filed 2014·Granted May 16, 2017·11 cites·12 claims
- 0590US9621079B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2015·Granted Apr 11, 2017·4 cites·5 claims
- 0688US8847569B2Semiconductor integrated circuit for regulatorTERADA AKIHIRO·Filed 2011·Granted Sep 30, 2014·11 cites·7 claims
- 0788US6538866B1Circuit for protecting a load from an overvoltageHITACHI LTD·Filed 2000·Granted Mar 25, 2003·47 cites·29 claims
- 0887US8160781B2Vehicular control system and control methodNAONO KEN·Filed 2005·Granted Apr 17, 2012·25 cites·19 claims
- 0987US7409275B2Vehicle diagnostic systemHITACHI LTD·Filed 2007·Granted Aug 5, 2008·21 cites·19 claims
- 1086US7729827B2Vehicle control systemHITACHI LTD·Filed 2006·Granted Jun 1, 2010·17 cites·7 claims
- 1185US11151076B2Vehicle control system verification device, vehicle control system, and vehicle control system verification methodHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted Oct 19, 2021·3 cites·10 claims
- 1282US10296034B2Negative power supply control circuit and power supply deviceSAKURAI KOHEI·Filed 2018·Granted May 21, 2019·4 cites·9 claims
- 1380US10890908B2Vehicle control system and action plan system provided with sameHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2015·Granted Jan 12, 2021·4 cites·5 claims
- 1480US10780894B2Vehicle control device and vehicle control systemHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Sep 22, 2020·3 cites·11 claims
- 1578US11235760B2Vehicle control device and vehicle control systemHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Feb 1, 2022·3 cites·12 claims
- 1678US9703305B2Power circuitSAKURAI KOHEI·Filed 2015·Granted Jul 11, 2017·3 cites·13 claims
- 1778US8165745B2Vehicle control systemSAKURAI KOHEI·Filed 2010·Granted Apr 24, 2012·6 cites·9 claims
- 1877US8665020B2Differential amplifier circuit that can change current flowing through a constant-current source according to load variation, and series regulator including the sameSAKURAI KOHEI·Filed 2011·Granted Mar 4, 2014·6 cites·14 claims
- 1977US6557414B2Inertia sensor and method of fabricating the sameHITACHI LTD·Filed 2001·Granted May 6, 2003·18 cites·21 claims
- 2076US11467818B2Software update device, software update method, and software update systemHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted Oct 11, 2022·2 cites·17 claims
- 2176US9575877B2Method and system for testing control software of a controlled systemHITACHI LTD·Filed 2015·Granted Feb 21, 2017·4 cites·20 claims
- 2275US6625522B2Vehicle control system and automobile using the sameHITACHI LTD·Filed 2001·Granted Sep 23, 2003·15 cites·30 claims
- 2374US6600295B2Electric power converter with continuous stable noise reductionHITACHI LTD·Filed 2001·Granted Jul 29, 2003·27 cites·26 claims
- 2473US8041993B2Distributed control systemHITACHI LTD·Filed 2008·Granted Oct 18, 2011·6 cites·6 claims
- 2571US7480549B2Electrical control unit for an automobileHITACHI LTD·Filed 2007·Granted Jan 20, 2009·6 cites·7 claims
- 2670US8243609B2Method and apparatus for monitoring a status of nodes of a communication networkSAKURAI KOHEI·Filed 2009·Granted Aug 14, 2012·5 cites·8 claims
- 2767US7376498B2Vehicle controllerHITACHI LTD·Filed 2005·Granted May 20, 2008·7 cites·11 claims
- 2867US6282136B1Semiconductor memory devices and sensors using the sameHITACHI LTD·Filed 2000·Granted Aug 28, 2001·15 cites·5 claims
- 2966US7089097B2Vehicle control system and automobile using the sameHITACHI LTD·Filed 2005·Granted Aug 8, 2006·5 cites·14 claims
- 3065US7765269B2Communications system, and information processing device and control device incorporating said communications systemRENESAS TECH CORP·Filed 2004·Granted Jul 27, 2010·11 cites·18 claims
- 3163US11474161B2Power supply semiconductor integrated circuitSAKURAI KOHEI·Filed 2021·Granted Oct 18, 2022·0 cites·7 claims
- 3262US7245248B2A/D converter and a microcontroller including the sameRENESAS TECH CORP·Filed 2004·Granted Jul 17, 2007·11 cites·2 claims
- 3362US2022064800A1Surface treatment method for metal memberTOYOTA MOTOR CO LTD·Filed 2021·Application pending·0 cites
- 3459US11299112B2Autonomous driving system, autonomous driving control method, data ECU, and autonomous driving ECUHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Apr 12, 2022·1 cites·13 claims
- 3559US7207314B2Control circuit module, intake air passage body, engine electronic control device, and engine air intake system provided with the sameHITACHI LTD·Filed 2005·Granted Apr 24, 2007·2 cites·22 claims
- 3659US6904793B2Air flow meterHITACHI LTD·Filed 2002·Granted Jun 14, 2005·9 cites·16 claims
- 3754US11892481B2Current detecting circuit and switching circuitTAKANO YOICHI·Filed 2021·Granted Feb 6, 2024·0 cites·19 claims
- 3854US7509206B2Electronic control unit for automobiles and output driver circuit used in the sameHITACHI LTD·Filed 2004·Granted Mar 24, 2009·10 cites·7 claims
- 3954US2004267418A1Vehicle diagnostic systemFiled 2004·Application pending·0 cites
- 4053US11768510B2Power supply semiconductor integrated circuit including a short-circuit-fault detection circuit that detects a short circuit of the voltage-output terminalSAKURAI KOHEI·Filed 2021·Granted Sep 26, 2023·0 cites·10 claims
- 4153US7161264B2Semiconductor circuit having drivers of different withstand voltage within the same chipHITACHI LTD·Filed 2003·Granted Jan 9, 2007·6 cites·3 claims
- 4253US6624474B2Semiconductor device with scalable withstanding voltageHITACHI LTD·Filed 2001·Granted Sep 23, 2003·4 cites·11 claims
- 4352US2006089768A1Vehicle diagnostic systemSAKURAI KOHEI·Filed 2005·Application pending·0 cites
- 4450US2002123833A1Vehicle diagnostic systemFiled 2002·Application pending·0 cites
- 4550US2002183904A1Vehicle diagnostic systemFiled 2002·Application pending·0 cites
- 4650US2014188343A1Vehicle Control SystemHITACHI LTD·Filed 2013·Application pending·0 cites
- 4750US2014184122A1Construction machineOGAWA TAKASHI·Filed 2012·Application pending·0 cites
- 4849US7047939B2Control circuit module, intake air passage body, engine electronic control device, and engine air intake system provided with the sameHITACHI LTD·Filed 2002·Granted May 23, 2006·5 cites·11 claims
- 4949US6539322B1Sensor deviceHITACHI LTD·Filed 2000·Granted Mar 25, 2003·3 cites·7 claims
- 5047US11372442B2Vehicle control system validation technique and validation device, and control deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2018·Granted Jun 28, 2022·0 cites·4 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →