Patents by Inventor Makato Saito

Makato Saito 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).

  • Rolling and walking toy vehicle
    Patent number: 4676763
    Abstract: A toy vehicle is provided, including: a body; a spring, power generating unit connected to the body; a plurality of driving wheels connected to the spring, power generating unit through a transmission; a pair of legs mechanically connected to the spring, power generating unit through the transmission; a crank mechanism connected to the legs; a speed control gear mechanism capable of being connected to or disconnected from the transmission by automatic switching motion of a planetary gear meshing with a first gear of the transmission; and a movable actuating member, one end of which contacts the ground when the driving wheels contact the ground, thus moving the other end of the actuating member which disengages the planetary gear from the speed control gear mechanism.
    Type: Grant
    Filed: December 31, 1985
    Date of Patent: June 30, 1987
    Assignee: Tomy Kogyo Co, Inc.
    Inventors: Makato Saito, Hiroyuki Watanabe