Patents by Inventor Yamamoto Yoshio

Yamamoto Yoshio has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Control system for internal combustion engines
    Patent number: 5482020
    Abstract: A control system for an internal combustion engine includes an exhaust gas recirculation passage extending between the intake system and the exhaust system, for recirculating part of exhaust gases emitted from the engine, an EGR valve for controlling a flow rate of exhaust gases to be recirculated through the exhaust gas recirculation passage, and an ECU which detects an operating condition of the EGR valve, and calculates an amount of fuel to be injected, based on operating conditions of the engine.
    Type: Grant
    Filed: October 12, 1994
    Date of Patent: January 9, 1996
    Assignee: Honda Giken Kogyo K.K.
    Inventors: Daisuke Shimizu, Kotaro Miyashita, Yoshihisa Hara, Yamamoto Yoshio