Yoshikazu Ishikawa

Method of controlling speed reduction ratio for a continuously variable speed transmission

Method of controlling continuously variable transmission in combination with engine throttle control

Throttle valve control system for an internal combustion engine

Throttle valve control apparatus for an internal combustion engine mounted on a vehicle

Throttle valve control for internal combustion engine

Method of controlling automatic clutch for motor vehicles

Method of controlling the fuel supply to an internal combustion engine at acceleration

Throttle valve control apparatus for internal combustion engine

Hydraulic continuously variable speed transmission with direct clutch valve

System for controlling automobile transmission