Patents by Inventor Akihisa Hatakeyama

Akihisa Hatakeyama 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: 4993983
    Abstract: A mobile toy includes a plurality of body shells, each being shaped to resemble a different vehicle type, a chassis to which any one of the plurality of body shells is selectively and detachably coupled; and siren sound generating means, mounted on the chassis, for producing a plurality of siren sounds, each being selectable to correspond to a selected and coupled one of the plurality of body shells.
    Type: Grant
    Filed: July 20, 1990
    Date of Patent: February 19, 1991
    Assignee: Tomy Company, Ltd.
    Inventors: Toshiaki Kurita, Akihisa Hatakeyama