Patents by Inventor Kokichi Uzawa

Kokichi Uzawa 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).

  • Lever displacement enlarging mechanism
    Patent number: 5946969
    Abstract: The invention provides a lever displacement enlarging mechanism which is applicable for a positioning apparatus of an optical stage, is provided with bisymmetrical levers enlarging and transmitting a displacing force of an actuator element, and in which the distance between the leading end sides of boundary grooves and outer edges of coupling posts is smaller than that between the trailing end sides thereof and the outer edges and action point hinges are located closer to the axis of symmetry so that the fulcrum hinges and the force point hinges are closer to the outer edges of the coupling posts.
    Type: Grant
    Filed: May 26, 1998
    Date of Patent: September 7, 1999
    Assignee: Chichibu Onoda Cement Corporation
    Inventors: Mutsuo Munekata, Susumu Matsuno, Shoichi Ono, Koji Kawasaki, Kokichi Uzawa, Hiroshi Kinugawa