Patents by Inventor Kiyohide Kikkawa

Kiyohide Kikkawa 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).

  • Car height adjusting apparatus for a tractor
    Patent number: 4971165
    Abstract: A car height adjusting apparatus for a tractor, which lifts the car body by utilizing the driving power of the tractor and thereby without using a lifting device, such as a jack or a crane.
    Type: Grant
    Filed: October 24, 1989
    Date of Patent: November 20, 1990
    Assignee: Yanmar Diesel Engine Co., Ltd.
    Inventors: Tatsuo Yamaguchi, Kiyohide Kikkawa