Inventor
OKAZAKI SHUNTARO
JP65 patents
⚠️ This page may combine multiple inventors who share the name “OKAZAKI SHUNTARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
31 patentsUS7484504B2Feb 3, 2009
Air-fuel ratio control system and method for internal combustion engine
TOYOTA MOTOR CO LTD28 citations93
US7117665B2Oct 10, 2006
Catalyst degradation determining method
TOYOTA MOTOR CO LTD13 citations92
US6915628B2Jul 12, 2005
Catalyst degradation determining method
TOYOTA MOTOR CO LTD29 citations92
US9863354B2Jan 9, 2018
Exhaust purification system of internal combustion engine
TOYOTA MOTOR CO LTD13 citations84
US9835104B2Dec 5, 2017
Exhaust purification system of internal combustion engine
TOYOTA MOTOR CO LTD15 citations84
US7654252B2Feb 2, 2010
Air-fuel ratio control system and method for internal combustion engine
TOYOTA MOTOR CO LTD8 citations84
US7474956B2Jan 6, 2009
Air-fuel ratio control system of internal combustion engine
TOYOTA MOTOR CO LTD9 citations84
US7032374B2Apr 25, 2006
Exhaust purification apparatus for internal combustion engine
TOYOTA MOTOR CO LTD19 citations84
US7293555B2Nov 13, 2007
Controller and control method for internal combustion engine
TOYOTA MOTOR CO LTD9 citations74
US7278394B2Oct 9, 2007
Air-fuel-ratio control apparatus for internal combustion engine
TOYOTA MOTOR CO LTD8 citations74
US9739225B2Aug 22, 2017
Control system of internal combustion engine
TOYOTA MOTOR CO LTD2 citations73
US9624811B2Apr 18, 2017
Control device of internal combustion engine
TOYOTA MOTOR CO LTD4 citations73
US7165389B2Jan 23, 2007
Catalyst degradation determining method
TOYOTA MOTOR CO LTD7 citations73
US10378467B2Aug 13, 2019
Control device for internal combustion engine
TOYOTA MOTOR CO LTD2 citations72
US8381708B2Feb 26, 2013
Vehicle and vehicle control method
TOYOTA MOTOR CO LTD2 citations63
US7996143B2Aug 9, 2011
Control apparatus for an internal combustion engine
TOYOTA MOTOR CO LTD3 citations63
US7677223B2Mar 16, 2010
Air-fuel-ratio control apparatus for internal combustion engine
TOYOTA MOTOR CO LTD4 citations63
US7389174B2Jun 17, 2008
Air/fuel ratio control apparatus for internal combustion engine
TOYOTA MOTOR CO LTD5 citations63
US10302035B2May 28, 2019
Internal combustion engine
TOYOTA MOTOR CO LTD1 citations62
US12360172B2Jul 15, 2025
Abnormality detection device and abnormality detection method thereof
TOYOTA MOTOR CO LTD0 citations52
US12351055B2Jul 8, 2025
Vehicle control device for prohibiting lane changing, vehicle control method for prohibiting lane changing, and non-transitory recording medium
TOYOTA MOTOR CO LTD0 citations52
US12306001B2May 20, 2025
Running mode proposal device, navigation device, and running control device
TOYOTA MOTOR CO LTD0 citations52
US11945318B2Apr 2, 2024
Power supply apparatus and power supply method
TOYOTA MOTOR CO LTD0 citations52
US11777344B2Oct 3, 2023
Signal emitting apparatus and signal transmission/reception system
TOYOTA MOTOR CO LTD0 citations52
US11608069B2Mar 21, 2023
Powertrain system
TOYOTA MOTOR CO LTD0 citations52
US11053831B2Jul 6, 2021
Exhaust gas purification apparatus for an internal combustion engine
TOYOTA MOTOR CO LTD0 citations52
US10132257B2Nov 20, 2018
Control system of internal combustion engine
TOYOTA MOTOR CO LTD1 citations52
US10087864B2Oct 2, 2018
Control device of internal combustion engine
TOYOTA MOTOR CO LTD1 citations52
US9903297B2Feb 27, 2018
Control system of internal combustion engine
TOYOTA MOTOR CO LTD1 citations52
US9903298B2Feb 27, 2018
Internal combustion engine
TOYOTA MOTOR CO LTD0 citations52
US12459379B2Nov 4, 2025
Vehicle, ground power supplying apparatus, and noncontact power supplying system
TOYOTA MOTOR CO LTD0 citations51
OKAZAKI SHUNTARO
7 patentsUS10202909B2Feb 12, 2019
Spark ignition type internal combustion engine
OKAZAKI SHUNTARO9 citations83
US8554447B2Oct 8, 2013
Internal combustion engine system controller
OKAZAKI SHUNTARO7 citations72
US9037383B2May 19, 2015
Fuel injection amount control apparatus for internal combustion engine
OKAZAKI SHUNTARO2 citations62
US8666635B2Mar 4, 2014
Control device for internal combustion engine
OKAZAKI SHUNTARO2 citations60
US9732691B2Aug 15, 2017
Control system of internal combustion engine
OKAZAKI SHUNTARO1 citations52
US9316163B2Apr 19, 2016
Control device for internal combustion engine
OKAZAKI SHUNTARO1 citations51
US8793058B2Jul 29, 2014
Control device for internal combustion engine
OKAZAKI SHUNTARO1 citations50
NAKAGAWA NORIHISA
2 patentsFUJIWARA TAKAHIKO
2 patentsYOSHIZAKI SATOSHI
2 patentsMIYAMOTO HIROSHI
1 patentKIDOKORO TORU
1 patentKIMURA KOICHI
1 patentONOE RYOTA
1 patentKAMOTO AKIRA
1 patentSATA KOTA
1 patentShowing the top 50 of 65 patents by PatentIndex Score.