Masato Iwaki

Internal combustion engine having a turbo-supercharger and a catalytic exhaust gas purifying device

Plural intake system for supercharged engine

Turbocharger bypass control for internal combustion engines

Idling speed control systems for internal combustion engines

Air-fuel ratio controlling apparatus of an engine with an automatic change gear of electronic control type

Internal combustion engine equipped with a supercharger and an idling speed control system

Fuel injection control device of multi-cylinder engine

Suction air cooling device for supercharged engine

Exhaust device of multicylinder engine with supercharger

Method of controlling fuel in an engine