Patents by Inventor Tessyu Naka

Tessyu Naka 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: 4420812
    Abstract: A teaching-playback type robot is disclosed having a manipulator with a plurality of movable members connected to each other, a detector detecting the relative positions of the members, a switch for designating position signals from the detector upon a teaching operation, a memory for storing position signals from the detector, an interpolating arithmetic circuit for performing interpolating operation based on two position signals read out from memory upon playback operation.
    Type: Grant
    Filed: September 8, 1980
    Date of Patent: December 13, 1983
    Assignee: Tokico, Ltd.
    Inventors: Yoshimasa Ito, Junji Hashizume, Junichi Ikeda, Noriyuki Utsumi, Tessyu Naka