Patents by Inventor Michitake Nakazawa

Michitake Nakazawa 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).

  • Motor-driven shutter for camera
    Patent number: 4876563
    Abstract: A motor-driven shutter mechanism is provided with a lens protecting mechanism to protect the lens of a camera. The lens protecting mechanism consists of one or more lens guard members movable back and forth upon operation of the camera's motor-driven focussing and aperture setting mechanism to cover and uncover the lens. The lens guards are operably interconnected with the same motor which controls the focussing and aperture setting operations of the camera.
    Type: Grant
    Filed: March 23, 1988
    Date of Patent: October 24, 1989
    Assignee: Seikosha Co., Ltd.
    Inventors: Hiroaki Ishida, Nobuo Shinozaki, Michitake Nakazawa