Patents Assigned to MITSUBISHI KAGKU MEDIA CO., LTD.
  • Information Recording Medium, Information Reproducing Device and Method, and Apparatus and Method for Manufacturing Information Recording Medium
    Publication number: 20090207713
    Abstract: An information recording medium (100) is provided with (i) a first information recording area wherein a first track for reproducing first information based on a first track pitch is formed by a laser beam, and (ii) a second information recording area wherein a second track for reproducing second information based on a second track pitch different from the first track pitch is formed by a laser beam. The groove shape of the first track is different from the groove shape of the second track.
    Type: Application
    Filed: July 13, 2006
    Publication date: August 20, 2009
    Applicants: PIONEER CORPORATION, MITSUBISHI KAGKU MEDIA CO., LTD.
    Inventors: Hiroshi Nishiwaki, Eiji Muramatsu, Michikazu Horie, Kenjirou Kiyono