Patents by Inventor Hideo Shiiyama

Hideo Shiiyama 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).

  • Travel speed change apparatus for a farm vehicle
    Patent number: 4216680
    Abstract: A travel speed change apparatus for a farm vehicle in which a first speed change mechanism and a second speed change mechanism coact to change the travelling speed. The first and second speed change mechanisms are operable by manipulating a single hand lever movable in two different directions and not two independent levers. This single lever is adapted to actuate the first and second speed change mechanisms by moving in the same direction.
    Type: Grant
    Filed: August 21, 1978
    Date of Patent: August 12, 1980
    Assignee: Kubota, Ltd.
    Inventors: Tetsuaki Hayashi, Hideo Shiiyama, Mikio Kinoshita, Hiroshi Nagai