P

Inventor

MATSUMOTO ARIFUMI

JP27 patents
⚠️ This page may combine multiple inventors who share the name “MATSUMOTO ARIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOYOTA MOTOR CO LTD

20 patents
US10385752B2Aug 20, 2019

Malfunction diagnosis apparatus and malfunction diagnosis method

TOYOTA MOTOR CO LTD11 citations84
US10221746B2Mar 5, 2019

Failure diagnosis apparatus for exhaust gas control apparatus

TOYOTA MOTOR CO LTD14 citations84
US10119448B2Nov 6, 2018

Fault diagnosis apparatus for exhaust gas purification system

TOYOTA MOTOR CO LTD14 citations83
US9677452B2Jun 13, 2017

Abnormality diagnosis device for exhaust gas control apparatus

TOYOTA MOTOR CO LTD11 citations83
US9657627B2May 23, 2017

Abnormality diagnosis apparatus of exhaust gas purification apparatus

TOYOTA MOTOR CO LTD11 citations83
US9624804B2Apr 18, 2017

Abnormality diagnosis device for a sensor

TOYOTA MOTOR CO LTD17 citations83
US9574480B2Feb 21, 2017

Diagnostic apparatus for exhaust gas purification apparatus

TOYOTA MOTOR CO LTD11 citations83
US9453451B2Sep 27, 2016

Abnormality diagnosis apparatus for exhaust gas purification apparatus

TOYOTA MOTOR CO LTD14 citations83
US9759117B2Sep 12, 2017

Diagnostic system for internal combustion engine

TOYOTA MOTOR CO LTD2 citations73
US10800399B2Oct 13, 2020

Hybrid vehicle

TOYOTA MOTOR CO LTD1 citations61
US9261001B2Feb 16, 2016

Failure determination system of exhaust gas purification apparatus

TOYOTA MOTOR CO LTD2 citations61
US12090998B2Sep 17, 2024

Vehicle control apparatus

TOYOTA MOTOR CO LTD0 citations52
US10926755B2Feb 23, 2021

Hybrid vehicle

TOYOTA MOTOR CO LTD0 citations50
US10443473B2Oct 15, 2019

Exhaust gas purification apparatus for an internal combustion engine

TOYOTA MOTOR CO LTD0 citations41
US10364727B2Jul 30, 2019

Exhaust gas purification apparatus for an internal combustion engine

TOYOTA MOTOR CO LTD0 citations41
US10190461B2Jan 29, 2019

Exhaust gas control system for internal combustion engine and control method for internal combustion engine

TOYOTA MOTOR CO LTD0 citations41
US10138786B2Nov 27, 2018

Exhaust gas purification apparatus of internal combustion engine

TOYOTA MOTOR CO LTD0 citations41
US10125654B2Nov 13, 2018

Exhaust control system for internal combustion engine

TOYOTA MOTOR CO LTD0 citations41
US9617938B2Apr 11, 2017

Abnormality diagnosis apparatus of exhaust gas purification apparatus

TOYOTA MOTOR CO LTD0 citations41
US10502115B2Dec 10, 2019

Exhaust gas purification apparatus for an internal combustion engine

TOYOTA MOTOR CO LTD0 citations39

NIPPON TELEGRAPH & TELEPHONE

5 patents

MATSUMOTO ARIFUMI

1 patent

DENSO CORP

1 patent