Patents by Inventor Yang-jik Lee

Yang-jik Lee 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).

  • Camera film winding system
    Patent number: 5634160
    Abstract: A film winding system for a disposable camera. The system includes a spring coupled to rotate a film spool through a spool gear, a sprocket engaged with holes in the film, a cam on a common axis with the sprocket, and a mechanism for engaging the spool drive gears to stop the rotation of the spool after the film has advanced one frame.
    Type: Grant
    Filed: February 15, 1996
    Date of Patent: May 27, 1997
    Assignee: Samsung Aerospace Industries, Ltd.
    Inventor: Yang-jik Lee