Patents by Inventor Hiroaki Shigematsu

Hiroaki Shigematsu 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).

  • Method for writing data on multilayer optical disc and optical disc drive
    Patent number: 8400894
    Abstract: The present invention provides a method for writing data on a multilayer optical disc with N information storage layers (where N is an integer and N?2). The kth deepest one (where k is an integer and 1?k?N) of the storage layers of the multilayer optical disc is called a kth information storage layer.
    Type: Grant
    Filed: September 14, 2010
    Date of Patent: March 19, 2013
    Assignee: Panasonic Corporation
    Inventors: Hiroaki Shigematsu, Harumitsu Miyashita, Yoshiyasu Nakayama
  • METHOD FOR WRITING DATA ON MULTILAYER OPTICAL DISC AND OPTICAL DISC DRIVE
    Publication number: 20120051198
    Abstract: The present invention provides a method for writing data on a multilayer optical disc with N information storage layers (where N is an integer and N?2). The kth deepest one (where k is an integer and 1?k?N) of the storage layers of the multilayer optical disc is called a kth information storage layer.
    Type: Application
    Filed: September 14, 2010
    Publication date: March 1, 2012
    Applicant: PANASONIC CORPORATION
    Inventors: Hiroaki Shigematsu, Harumitsu Miyashita, Yoshiyasu Nakayama