Patents by Inventor Tatushi Bannai

Tatushi Bannai 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).

  • Recording method and recording apparatus that limits number of rewrites to the same storage area
    Patent number: 7398352
    Abstract: A recording method is provided for recording data into an information recording medium, in which the number of data rewrites into the same area is limited. The recording method comprises the steps of (a) performing a search for unallocated areas in an information recording area and retaining, in a memory, unallocated area identifying information for identifying at least one unallocated area found by the search, (b) determining whether or not an unallocated area satisfying a record request is present among the at least one unallocated areas identified by the unallocated area identifying information, and (c) when an unallocated area satisfying a record request is present among the at least one unallocated areas identified by the unallocated area identifying information, allocating the unallocated area as an area for recording data and recording data into the allocated area.
    Type: Grant
    Filed: October 28, 2003
    Date of Patent: July 8, 2008
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hideaki Mita, Yoshiho Gotoh, Yoshihisa Fukushima, Tatushi Bannai
  • Recording method and recording apparatus
    Publication number: 20060101219
    Abstract: A recording method is provided for recording data into an information recording medium, in which the number of data rewrites into the same area is limited. The recording method comprises the steps of (a) performing a search for unallocated areas in an information recording area and retaining, in a memory, unallocated area identifying information for identifying at least one unallocated area found by the search, (b) determining whether or not an unallocated area satisfying a record request is present among the at least one unallocated areas identified by the unallocated area identifying information, and (c) when an unallocated area satisfying a record request is present among the at least one unallocated areas identified by the unallocated area identifying information, allocating the unallocated area as an area for recording data and recording data into the allocated area.
    Type: Application
    Filed: October 28, 2003
    Publication date: May 11, 2006
    Inventors: Hideaki Mita, Yoshiho Gotoh, Yoshihisa Fukushima, Tatushi Bannai