Inventor
MURATA HIROKI
JP56 patents
⚠️ This page may combine multiple inventors who share the name “MURATA HIROKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
28 patentsUS6994077B2Feb 7, 2006
Control system for internal combustion engine
TOYOTA MOTOR CO LTD69 citations96
US6152118ANov 28, 2000
Internal combustion engine
TOYOTA MOTOR CO LTD81 citations96
US6109025AAug 29, 2000
Compression ignition type engine
TOYOTA MOTOR CO LTD53 citations93
US7717099B2May 18, 2010
Exhaust gas recirculation device of internal combustion engine, and control method thereof
TOYOTA MOTOR CO LTD23 citations92
US6976934B2Dec 20, 2005
Shift control system for hybrid vehicles
TOYOTA MOTOR CO LTD31 citations92
US6672989B2Jan 6, 2004
Direct injection type engine
TOYOTA MOTOR CO LTD21 citations92
US6672050B2Jan 6, 2004
Exhaust gas purification device of an engine
TOYOTA MOTOR CO LTD49 citations92
US6240721B1Jun 5, 2001
Internal combustion engine and method for controlling an internal combustion engine
TOYOTA MOTOR CO LTD51 citations92
US6209515B1Apr 3, 2001
Internal combustion engine, controller and method
TOYOTA MOTOR CO LTD43 citations92
US8001953B2Aug 23, 2011
Exhaust gas recirculation system for internal combustion engine and method for controlling the same
TOYOTA MOTOR CO LTD10 citations84
US6581372B2Jun 24, 2003
Compression ignition type engine
TOYOTA MOTOR CO LTD16 citations84
US6516609B2Feb 11, 2003
Compression ignition type engine
TOYOTA MOTOR CO LTD15 citations84
US6216676B1Apr 17, 2001
Internal combustion engine system
TOYOTA MOTOR CO LTD16 citations84
US6129075AOct 10, 2000
Compression ignition type engine
TOYOTA MOTOR CO LTD19 citations84
US8051659B2Nov 8, 2011
Control apparatus for internal combustion engine and method for controlling the same
TOYOTA MOTOR CO LTD13 citations83
US6715474B1Apr 6, 2004
Internal combustion engine
TOYOTA MOTOR CO LTD8 citations74
US10648388B2May 12, 2020
Method for controlling an internal combustion engine having an exhaust system component including a self-healing ceramic material
TOYOTA MOTOR CO LTD2 citations73
US9598997B2Mar 21, 2017
Exhaust gas purification apparatus of internal combustion engine
TOYOTA MOTOR CO LTD2 citations72
US12339130B2Jun 24, 2025
Vehicle communication control device, vehicle communication control method and non-transitory computer readable medium
TOYOTA MOTOR CO LTD0 citations63
US12344106B2Jul 1, 2025
Method for providing vehicle charging service, and vehicle charging system
TOYOTA MOTOR CO LTD0 citations61
US12397672B2Aug 26, 2025
Power management system, vehicle, and management server
TOYOTA MOTOR CO LTD0 citations60
US11319856B2May 3, 2022
Control device controlling CO2 recovery device
TOYOTA MOTOR CO LTD0 citations60
US12587133B2Mar 24, 2026
Control device for vehicle
TOYOTA MOTOR CO LTD0 citations52
US11697453B2Jul 11, 2023
Steering system
TOYOTA MOTOR CO LTD0 citations52
US10975778B2Apr 13, 2021
Control device for internal combustion engine
TOYOTA MOTOR CO LTD0 citations52
US12576745B2Mar 17, 2026
Server, vehicle, and power supply system
TOYOTA MOTOR CO LTD0 citations49
US12485787B2Dec 2, 2025
Server
TOYOTA MOTOR CO LTD0 citations49
US11901736B2Feb 13, 2024
Server and power management system
TOYOTA MOTOR CO LTD0 citations49
IBM
10 patentsUS6297795B1Oct 2, 2001
Small information processing apparatus
IBM622 citations98
US5386511AJan 31, 1995
Multiprocessor system and data transmission apparatus thereof
IBM53 citations96
US5923839AJul 13, 1999
Data storage system, data transfer method, and data reconstruction method
IBM29 citations92
US7523059B2Apr 21, 2009
Calculating financial risk of a portfolio using distributed computing
IBM10 citations83
US7401129B2Jul 15, 2008
Network system, server, data processing method and program
IBM9 citations79
US5875458AFeb 23, 1999
Disk storage device
IBM10 citations74
US5742625AApr 21, 1998
Data storage system and parity generation method for data storage system
IBM6 citations74
US9785422B1Oct 10, 2017
Applying multiple rewriting without collision for semi-automatic program rewriting system
IBM2 citations72
US5892780AApr 6, 1999
Data storage system and parity generation method for data storage system
IBM3 citations63
US8898648B2Nov 25, 2014
Methodology for fast detection of false sharing in threaded scientific codes
IBM3 citations61
MURATA HIROKI
4 patentsUS8220443B2Jul 17, 2012
EGR system for internal combustion engine and method for controlling the same
MURATA HIROKI20 citations83
US8555615B2Oct 15, 2013
Internal combustion engine exhaust gas control system and control method of internal combustion engine exhaust gas control system
MURATA HIROKI12 citations82
US8494698B2Jul 23, 2013
Hybrid system control apparatus and hybrid system control method
MURATA HIROKI17 citations82
US8311456B2Nov 13, 2012
Cleaning control of image carrier in image forming apparatus
MURATA HIROKI2 citations61
CANON KK
2 patentsOTSUKA KAGAKU KK
2 patentsONISHI TOMOMI
1 patentMATSUMOTO ISAO
1 patentTOFUKUJI SATOKO
1 patentKUBOTA KK
1 patentShowing the top 50 of 56 patents by PatentIndex Score.