Inventor
SAKURAI KOHEI
JP49 patents
⚠️ This page may combine multiple inventors who share the name “SAKURAI KOHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
23 patentsUS7630807B2Dec 8, 2009
Vehicle control system
HITACHI LTD112 citations99
US7409275B2Aug 5, 2008
Vehicle diagnostic system
HITACHI LTD21 citations93
US6600295B2Jul 29, 2003
Electric power converter with continuous stable noise reduction
HITACHI LTD27 citations93
US6538866B1Mar 25, 2003
Circuit for protecting a load from an overvoltage
HITACHI LTD47 citations93
US7729827B2Jun 1, 2010
Vehicle control system
HITACHI LTD17 citations92
US7263416B2Aug 28, 2007
Electrical control unit for an automobile
HITACHI LTD41 citations92
US6625522B2Sep 23, 2003
Vehicle control system and automobile using the same
HITACHI LTD15 citations92
US9650038B2May 16, 2017
Vehicle control system
HITACHI LTD11 citations84
US6557414B2May 6, 2003
Inertia sensor and method of fabricating the same
HITACHI LTD18 citations84
US6282136B1Aug 28, 2001
Semiconductor memory devices and sensors using the same
HITACHI LTD15 citations84
US7509206B2Mar 24, 2009
Electronic control unit for automobiles and output driver circuit used in the same
HITACHI LTD10 citations79
US7480549B2Jan 20, 2009
Electrical control unit for an automobile
HITACHI LTD6 citations74
US7376498B2May 20, 2008
Vehicle controller
HITACHI LTD7 citations74
US6904793B2Jun 14, 2005
Air flow meter
HITACHI LTD9 citations74
US7089097B2Aug 8, 2006
Vehicle control system and automobile using the same
HITACHI LTD5 citations73
US7161264B2Jan 9, 2007
Semiconductor circuit having drivers of different withstand voltage within the same chip
HITACHI LTD6 citations71
US9575877B2Feb 21, 2017
Method and system for testing control software of a controlled system
HITACHI LTD4 citations67
US7207314B2Apr 24, 2007
Control circuit module, intake air passage body, engine electronic control device, and engine air intake system provided with the same
HITACHI LTD2 citations63
US7047939B2May 23, 2006
Control circuit module, intake air passage body, engine electronic control device, and engine air intake system provided with the same
HITACHI LTD5 citations63
US6624474B2Sep 23, 2003
Semiconductor device with scalable withstanding voltage
HITACHI LTD4 citations63
US6539322B1Mar 25, 2003
Sensor device
HITACHI LTD3 citations63
US8041993B2Oct 18, 2011
Distributed control system
HITACHI LTD6 citations62
US6999855B2Feb 14, 2006
Vehicle control system and automobile using the same
HITACHI LTD1 citations62
HITACHI AUTOMOTIVE SYSTEMS LTD
10 patentsUS11467818B2Oct 11, 2022
Software update device, software update method, and software update system
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations73
US11235760B2Feb 1, 2022
Vehicle control device and vehicle control system
HITACHI AUTOMOTIVE SYSTEMS LTD3 citations73
US11151076B2Oct 19, 2021
Vehicle control system verification device, vehicle control system, and vehicle control system verification method
HITACHI AUTOMOTIVE SYSTEMS LTD3 citations73
US10890908B2Jan 12, 2021
Vehicle control system and action plan system provided with same
HITACHI AUTOMOTIVE SYSTEMS LTD4 citations73
US10780894B2Sep 22, 2020
Vehicle control device and vehicle control system
HITACHI AUTOMOTIVE SYSTEMS LTD3 citations73
US11299112B2Apr 12, 2022
Autonomous driving system, autonomous driving control method, data ECU, and autonomous driving ECU
HITACHI AUTOMOTIVE SYSTEMS LTD1 citations62
US11487748B2Nov 1, 2022
In-vehicle processing device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations52
US11392368B2Jul 19, 2022
Electronic control system for updating circuit
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations52
US11372442B2Jun 28, 2022
Vehicle control system validation technique and validation device, and control device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations52
US10946867B2Mar 16, 2021
Processing device and vehicle control system
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations52
SAKURAI KOHEI
8 patentsUS8165745B2Apr 24, 2012
Vehicle control system
SAKURAI KOHEI6 citations83
US10296034B2May 21, 2019
Negative power supply control circuit and power supply device
SAKURAI KOHEI4 citations72
US9703305B2Jul 11, 2017
Power circuit
SAKURAI KOHEI3 citations72
US8665020B2Mar 4, 2014
Differential amplifier circuit that can change current flowing through a constant-current source according to load variation, and series regulator including the same
SAKURAI KOHEI6 citations72
US11474161B2Oct 18, 2022
Power supply semiconductor integrated circuit
SAKURAI KOHEI0 citations62
US8243609B2Aug 14, 2012
Method and apparatus for monitoring a status of nodes of a communication network
SAKURAI KOHEI5 citations57
US11768510B2Sep 26, 2023
Power supply semiconductor integrated circuit including a short-circuit-fault detection circuit that detects a short circuit of the voltage-output terminal
SAKURAI KOHEI0 citations51
US8938338B2Jan 20, 2015
System for controlling construction machine
SAKURAI KOHEI0 citations41