Inventor
NISHIUMI RYOJI
JP5 patents
⚠️ This page may combine multiple inventors who share the name “NISHIUMI RYOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
3 patentsUS7937207B2May 3, 2011
Exhaust gas purification system for internal combustion engine
TOYOTA MOTOR CO LTD10 citations82
US7600372B2Oct 13, 2009
Exhaust gas control apparatus for internal combustion engine
TOYOTA MOTOR CO LTD8 citations79
US10138837B2Nov 27, 2018
Air fuel ratio control for an internal combustion engine that can be operated with fuels at different properties
TOYOTA MOTOR CO LTD0 citations40