Patents by Inventor Tetsushi Koshiyama

Tetsushi Koshiyama 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).

  • Patent number: 5032775
    Abstract: A control apparatus for controlling a plane working robot comprise a running unit for running on a plane surface, a steering unit for steering the running unit in a predetermined direction, a working unit for performing predetermined plane working such as cleaning, and a detecting unit for detecting information about running direction and distance of the robot and an obstacle on the plane surface, thus permitting the working robot to take an optimum running path while avoiding an obstacle on the basis of sensor outputs from the detecting unit.
    Type: Grant
    Filed: June 5, 1990
    Date of Patent: July 16, 1991
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Sueyoshi Mizuno, Yuuji Takiguchi, Tetsushi Koshiyama