Patents by Inventor Takamichi AKAGAWA

Takamichi AKAGAWA 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).

  • ACCESS CONTROL DEVICE, STORAGE SYSTEM, AND ACCESS CONTROL METHOD
    Publication number: 20100235599
    Abstract: An access control device for controlling access from a host system to a plurality of storage areas in a storage system, the access control device includes a memory for storing access management information for the plurality of storage areas, and a controller for managing and monitoring access performed by the host system, the controller monitoring frequency of access by the host system to each of the plurality of storage areas and storing information of the frequency of the access to each of the storage areas in the memory, detecting at least one of the storage areas in which the frequency of the access is less than a predetermined range, and restricting the host system from accessing to the detected storage area.
    Type: Application
    Filed: March 9, 2010
    Publication date: September 16, 2010
    Applicant: Fujitsu Limited
    Inventors: Takamichi AKAGAWA, Akiko Jokura