P

Inventor

WAKAO KAZUHIRO

JP51 patents
⚠️ This page may combine multiple inventors who share the name “WAKAO KAZUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOYOTA MOTOR CO LTD

29 patents
US6997142B2Feb 14, 2006

Internal combustion engine and method of operating internal combustion engine

TOYOTA MOTOR CO LTD56 citations96
US7530335B2May 12, 2009

Internal combustion engine and starting control device of internal combustion engine

TOYOTA MOTOR CO LTD40 citations93
US7159541B2Jan 9, 2007

Method and apparatus for determining state of reformer

TOYOTA MOTOR CO LTD46 citations93
US10184913B2Jan 22, 2019

Abnormality diagnosis system of a gas sensor

TOYOTA MOTOR CO LTD11 citations83
US7416572B2Aug 26, 2008

Apparatus and method for determining reforming catalyst degradation

TOYOTA MOTOR CO LTD7 citations74
US7028655B2Apr 18, 2006

Internal combustion engine and method of controlling the same

TOYOTA MOTOR CO LTD8 citations74
US6769388B2Aug 3, 2004

Internal combustion engine intake control apparatus and methods

TOYOTA MOTOR CO LTD10 citations74
US10352254B2Jul 16, 2019

Internal combustion engine control device

TOYOTA MOTOR CO LTD2 citations73
US9891188B2Feb 13, 2018

Gas concentration detecting device

TOYOTA MOTOR CO LTD2 citations73
US9753005B2Sep 5, 2017

SOx concentration detection device

TOYOTA MOTOR CO LTD5 citations72
US9732659B2Aug 15, 2017

SOx concentration detection device of internal combustion engine

TOYOTA MOTOR CO LTD2 citations71
US11199148B2Dec 14, 2021

Control device for exhaust sensor

TOYOTA MOTOR CO LTD0 citations62
US10934958B2Mar 2, 2021

Air-fuel ratio detection device and air-fuel ratio detection method

TOYOTA MOTOR CO LTD0 citations62
US12291985B2May 6, 2025

Control device of exhaust sensor

TOYOTA MOTOR CO LTD0 citations60
US11319890B2May 3, 2022

Abnormality detection device for air-fuel ratio detection device

TOYOTA MOTOR CO LTD1 citations60
US7150769B2Dec 19, 2006

Fuel reforming apparatus and method

TOYOTA MOTOR CO LTD2 citations57
US12359602B2Jul 15, 2025

SOx concentration acquiring apparatus of internal combustion engine

TOYOTA MOTOR CO LTD0 citations52
US7753971B2Jul 13, 2010

Fuel reforming apparatus

TOYOTA MOTOR CO LTD0 citations52
US7387651B2Jun 17, 2008

Fuel reforming device and fuel reforming method

TOYOTA MOTOR CO LTD0 citations52
US9970371B2May 15, 2018

Control apparatus and control method for internal combustion engine

TOYOTA MOTOR CO LTD0 citations51
US11319889B2May 3, 2022

Abnormality diagnosis system of downstream side air-fuel ratio detection device

TOYOTA MOTOR CO LTD0 citations50
US10794857B2Oct 6, 2020

Gas detector

TOYOTA MOTOR CO LTD0 citations42
US10712323B2Jul 14, 2020

Control device for gas detector and control method for gas detector

TOYOTA MOTOR CO LTD0 citations42
US10690629B2Jun 23, 2020

Gas detection device

TOYOTA MOTOR CO LTD0 citations42
US10605765B2Mar 31, 2020

Gas detection device

TOYOTA MOTOR CO LTD0 citations42
US10444181B2Oct 15, 2019

Sulfur oxide detection system

TOYOTA MOTOR CO LTD0 citations42
US10191007B2Jan 29, 2019

Sulfur oxides detection system

TOYOTA MOTOR CO LTD0 citations42
US10551364B2Feb 4, 2020

Control system and control method for internal combustion engine

TOYOTA MOTOR CO LTD0 citations41
US9982622B2May 29, 2018

Control system and control method for internal combustion engine

TOYOTA MOTOR CO LTD0 citations41

SANO KEISUKE

6 patents

WAKAO KAZUHIRO

5 patents

YODA KIMIKAZU

2 patents

SASAI MIE

2 patents

NISHIKIORI TAKASHI

1 patent

SHIBATA DAISUKE

1 patent

ASO KOJI

1 patent

KANAZAWA TAKAAKI

1 patent

AOKI KEIICHIRO

1 patent

YOSHIDA SHUNTARO

1 patent

Showing the top 50 of 51 patents by PatentIndex Score.