i KitagawaGraphic data processing apparatus using displayed graphics for program selectionUS6774900 *Feb 16, 2000Aug 10, 2004Kabushiki Kaisha Sega EnterprisesImage displaying device, image processing device, image displaying systemUS6807668Dec 19, 2002Oct 19, 2004Apple Computer, Inc.Method and apparatus for improved interaction with an application program according to data types and actions perfor