Patents by Inventor Tosio Kurotsu

Tosio Kurotsu 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).

  • Device for blocking exit of car from parking lot
    Patent number: 6241418
    Abstract: An apparatus for blocking a parking vehicle from leaving, enabling a driver to confirm the locking board which is in the elevated state, and preventing the vehicle from leaving in an unauthorized manner. The apparatus does not employ any constitution for directly driving an auxiliary locking board using drive device, and the auxiliary locking board can be installed at a position remote from a main locking board.
    Type: Grant
    Filed: June 15, 1999
    Date of Patent: June 5, 2001
    Assignee: The Nippon Signal Co., Ltd.
    Inventors: Masaru Suzuki, Tosio Kurotsu, Ryoyu Fuyou