Inventor
FURUI KENJI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “FURUI KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
20 patentsUS10385752B2Aug 20, 2019
Malfunction diagnosis apparatus and malfunction diagnosis method
TOYOTA MOTOR CO LTD11 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
US9835069B2Dec 5, 2017
Exhaust gas purification system for an internal combustion engine
TOYOTA MOTOR CO LTD3 citations71
US11492952B2Nov 8, 2022
Catalyst degradation detection apparatus
TOYOTA MOTOR CO LTD0 citations52
US11434806B2Sep 6, 2022
Catalyst deterioration detection system
TOYOTA MOTOR CO LTD0 citations52
US12025046B2Jul 2, 2024
Exhaust gas control apparatus for internal combustion engine and exhaust gas control method for the same
TOYOTA MOTOR CO LTD0 citations51
US11143128B2Oct 12, 2021
Exhaust purification system of internal combustion engine
TOYOTA MOTOR CO LTD0 citations45
US10815853B2Oct 27, 2020
Abnormality diagnosis system for an exhaust gas purification apparatus
TOYOTA MOTOR CO LTD0 citations41
US10753261B2Aug 25, 2020
Abnormality diagnosis device for reducing agent adding device
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
US9938876B2Apr 10, 2018
Abnormality diagnosis device for exhaust gas purification apparatus in internal combustion engine
TOYOTA MOTOR CO LTD0 citations41
US9617938B2Apr 11, 2017
Abnormality diagnosis apparatus of exhaust gas purification apparatus
TOYOTA MOTOR CO LTD0 citations41
US9995197B2Jun 12, 2018
Ammonia adsorption amount estimation apparatus, ammonia adsorption amount estimation method, and exhaust gas purification system for internal combustion engine
TOYOTA MOTOR CO LTD0 citations36