Inventor
SARUWATARI MASAYUKI
JP45 patents
⚠️ This page may combine multiple inventors who share the name “SARUWATARI MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI AUTOMOTIVE SYSTEMS LTD
22 patentsUS10731594B2Aug 4, 2020
Control device for fuel injection device
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations73
US9394847B2Jul 19, 2016
Fuel injection control apparatus for internal combustion engine
HITACHI AUTOMOTIVE SYSTEMS LTD4 citations69
US11391226B2Jul 19, 2022
Internal combustion engine control device and internal combustion engine control method
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations62
US11319892B2May 3, 2022
Internal-combustion engine control device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations62
US11098670B2Aug 24, 2021
Drive device for fuel injection device
HITACHI AUTOMOTIVE SYSTEMS LTD1 citations62
US11073092B2Jul 27, 2021
Control device for internal combustion engine
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations62
US11143131B2Oct 12, 2021
Vehicle control device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations61
US11007480B2May 18, 2021
Exhaust gas purification system
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations60
US10890124B2Jan 12, 2021
Internal combustion engine control device and method
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations60
US11614064B2Mar 28, 2023
Internal-combustion-engine control device and internal-combustion-engine control method
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations52
US11105282B2Aug 31, 2021
Control device and control method
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations52
US10941724B2Mar 9, 2021
Engine system control device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations51
US11118523B2Sep 14, 2021
Control device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations50
US10844826B2Nov 24, 2020
Internal combustion engine control device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations50
US10808630B2Oct 20, 2020
Control device for internal combustion engine
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations50
US10696302B2Jun 30, 2020
Internal combustion engine control device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations50
US11059477B2Jul 13, 2021
Parking assist device for vehicle
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations45
US10941726B2Mar 9, 2021
Control device for internal combustion engine
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations44
US10837418B2Nov 17, 2020
Internal combustion engine control device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations41
US10677208B2Jun 9, 2020
Fuel injection device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations40
US10370001B2Aug 6, 2019
Coast-stop control device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations40
US10641186B2May 5, 2020
Internal combustion engine control apparatus
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations39
HITACHI ASTEMO LTD
9 patentsUS11703004B2Jul 18, 2023
Internal combustion engine control device and internal combustion engine control method
HITACHI ASTEMO LTD3 citations73
US12037954B2Jul 16, 2024
Internal combustion engine control device
HITACHI ASTEMO LTD0 citations63
US12233846B2Feb 25, 2025
Hybrid vehicle control device
HITACHI ASTEMO LTD0 citations62
US11333060B2May 17, 2022
Control device
HITACHI ASTEMO LTD1 citations62
US11313300B2Apr 26, 2022
Device and method for controlling the start of an internal combustion engine
HITACHI ASTEMO LTD0 citations60
US12025065B2Jul 2, 2024
Internal combustion engine control unit
HITACHI ASTEMO LTD0 citations52
US11603819B2Mar 14, 2023
Internal combustion engine control device and ignition device
HITACHI ASTEMO LTD0 citations51
US12018622B2Jun 25, 2024
Controller device for variable valve timing apparatus
HITACHI ASTEMO LTD0 citations48
US12264643B2Apr 1, 2025
Fuel supply system and method for controlling a fuel pump of a fuel supply system for an internal combustion engine
HITACHI ASTEMO LTD0 citations45
UNISIA JECS CORP
6 patentsUS6138644AOct 31, 2000
Apparatus and method for processing fuel vapor in internal combustion engine
UNISIA JECS CORP64 citations96
US5979418ANov 9, 1999
Apparatus for processing fuel vapor in internal combustion engine equipped with supercharger
UNISIA JECS CORP57 citations96
US6253744B1Jul 3, 2001
Method and apparatus for controlling fuel vapor, method and apparatus for diagnosing fuel vapor control apparatus, and method and apparatus for controlling air-fuel ratio
UNISIA JECS CORP12 citations74
US6412477B2Jul 2, 2002
Method and apparatus for controlling fuel vapor, method and apparatus for diagnosing fuel vapor control apparatus and method and apparatus for controlling air-fuel ratio
UNISIA JECS CORP2 citations63
US6273063B1Aug 14, 2001
Apparatus and method for controlling idle rotation speed of an internal combustion engine
UNISIA JECS CORP4 citations63
US6622699B2Sep 23, 2003
Control apparatus and control method of negative pressure actuator
UNISIA JECS CORP0 citations52
SARUWATARI MASAYUKI
4 patentsUS8689768B2Apr 8, 2014
Apparatus and method for controlling fuel injection of internal combustion engine
SARUWATARI MASAYUKI7 citations83
US8666639B2Mar 4, 2014
Fuel supply control apparatus for engine, and fuel supply control method therefor
SARUWATARI MASAYUKI8 citations82
US8534265B2Sep 17, 2013
Fuel supply control apparatus for internal combustion engine and fuel supply control method thereof
SARUWATARI MASAYUKI3 citations61
US8762030B2Jun 24, 2014
Fuel supply control device for internal combustion engine and fuel vapor processing method
SARUWATARI MASAYUKI1 citations51
HITACHI LTD
3 patentsUS6895912B2May 24, 2005
Variable valve control apparatus for engine and method thereof
HITACHI LTD22 citations92
US7520261B2Apr 21, 2009
Apparatus for and method of controlling intake operation of an internal combustion engine
HITACHI LTD10 citations84
US7013875B2Mar 21, 2006
Apparatus for controlling fuel injection of engine and method thereof
HITACHI LTD9 citations74