Shigemasa Hirooka

Vehicular ejector system and control method thereof

Secondary air supply apparatus and method for detecting abnormality thereof

Secondary air feeding apparatus and method of detecting abnormality in the apparatus

Auxiliary air supplying system, and control methods and failure diagnostic methods thereof

Ejector system for a vehicle and ejector system controller

Ejector system for vehicle

Knocking determining apparatus of internal combustion engine

Internal combustion engine, control apparatus for internal combustion engine, and control method for internal combustion engine

Fault determination device and method of negative pressure generation device

Anomaly judgment apparatus for secondary air supply system