Patents by Inventor Kousuke Fujinaga

Kousuke Fujinaga 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).

  • Backup data management device and method
    Publication number: 20030065687
    Abstract: In a backup data management device of the invention, when the number of update times of either the first or the second divisional region exceeds a given number of times, blocks A and B assigned to first and second divisional regions, respectively, are exchanged. As a result of the block exchange, block B is newly assigned to the first divisional region, and block A is newly assigned to the second divisional region. As a result, after the block exchange, when operation data A is updated again, backup data corresponding to the operation data A in the second divisional region is updated.
    Type: Application
    Filed: March 27, 2001
    Publication date: April 3, 2003
    Applicant: NEC CORPORATION
    Inventors: Hiroyuki Momiji, Kousuke Fujinaga, Masanao Amimoto