Patents by Inventor Yoshio Kanaida

Yoshio Kanaida 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).

  • Internal combustion engine
    Patent number: 4068632
    Abstract: An internal combustion engine has a vacuum spark timing control system to advance and retard the spark in which the spark is kept retarded until a predetermined time passes after the engine speed exceeds a predetermined reference engine speed that demarcates the high engine speed range from the low engine speed range operations. During the low engine speed range operation the spark is retarded, while during the high engine speed range operation, the spark is advanced.
    Type: Grant
    Filed: December 9, 1975
    Date of Patent: January 17, 1978
    Assignee: Fuji Jukogyo Kabushiki Kaisha
    Inventors: Yoshio Kanaida, Ryuji Kataoka, Kuniji Imai