P

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 patents
US7484504B2Feb 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 patents

NAKAGAWA NORIHISA

2 patents

FUJIWARA TAKAHIKO

2 patents

YOSHIZAKI SATOSHI

2 patents

MIYAMOTO HIROSHI

1 patent

KIDOKORO TORU

1 patent

KIMURA KOICHI

1 patent

ONOE RYOTA

1 patent

KAMOTO AKIRA

1 patent

SATA KOTA

1 patent

Showing the top 50 of 65 patents by PatentIndex Score.