Inventor
NISHIJIMA HIROKAZU
JP13 patents
⚠️ This page may combine multiple inventors who share the name “NISHIJIMA HIROKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
10 patentsUS10221746B2Mar 5, 2019
Failure diagnosis apparatus for exhaust gas control apparatus
TOYOTA MOTOR CO LTD14 citations84
US9879628B2Jan 30, 2018
Failure diagnosis device of emission control system
TOYOTA MOTOR CO LTD13 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
US9657666B2May 23, 2017
Failure diagnosis device of emission control system
TOYOTA MOTOR CO LTD4 citations72
US9261001B2Feb 16, 2016
Failure determination system of exhaust gas purification apparatus
TOYOTA MOTOR CO LTD2 citations61
US10480383B2Nov 19, 2019
Abnormality diagnosis apparatus for exhaust gas purification apparatus
TOYOTA MOTOR CO LTD0 citations41
US10287956B2May 14, 2019
Failure diagnosis apparatus for an exhaust gas purification system
TOYOTA MOTOR CO LTD0 citations41
US10125655B2Nov 13, 2018
Filter abnormality determination system
TOYOTA MOTOR CO LTD0 citations41
US9617938B2Apr 11, 2017
Abnormality diagnosis apparatus of exhaust gas purification apparatus
TOYOTA MOTOR CO LTD0 citations41