Patents by Inventor Makoto Ikemura

Makoto Ikemura 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).

  • Valve mechanism for an automotive engine
    Patent number: 4768475
    Abstract: A valve mechanism for an intake valve has a cam block including a first cam and a second cam. Each of the first and second cams has a common base circle. A first rocker arm engaging with the first cam and a second rocker arm engaging with the second cam are provided. The arms have holes in which three pins engage to selectively connect the first and second rocker arms with the actuating arm so as to be rocked together with the actuating arm. The mechanism is arranged to engaged and disengage the central pin with and from both the holes of the first and second rocker arms at a time when both the rocker arms engage with the base circles at the same time.
    Type: Grant
    Filed: February 25, 1987
    Date of Patent: September 6, 1988
    Assignee: Fuji Jukogyo Kabushiki Kaisha
    Inventor: Makoto Ikemura