Patents by Inventor Ken Iizuki

Ken Iizuki 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).

  • Apparatus and method for recording and reproducing a digital video and audio signal
    Patent number: 5541737
    Abstract: Apparatus and method for recording in selectable recording modes, track number data and information signals in recording tracks on a recording medium, in which the track number of a track in which an information signal is recorded is determined by utilizing a ratio of a track pitch produced when a first recording mode is selected and a track pitch produced when a second recording mode is selected.
    Type: Grant
    Filed: December 7, 1993
    Date of Patent: July 30, 1996
    Assignee: Sony Corporation
    Inventors: Masaki Oguro, Hiroshi Yoshioka, Teruhiko Kori, Ken Iizuki