Patents by Inventor Takashi Dei

Takashi Dei 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).

  • Collapsible housing frame
    Patent number: 5593046
    Abstract: The collapsible housing frame has a pair of side frame boards opposed to each other, and connecting mechanisms which connect both the opposed ends of the side frame boards. Both ends of the side frame boards are connected to the connecting mechanisms through first hinges. Each of the connecting mechanisms is formed to be collapsible at a second hinge of the connecting mechanism, and a lock-unlock system to lock and unlock the hinge is provided at the second hinge.
    Type: Grant
    Filed: September 30, 1994
    Date of Patent: January 14, 1997
    Assignee: Nikko Kogyo Kabushiki Kaisha
    Inventors: Nobuo Katsuura, Takashi Dei