Patents by Inventor Yusutomo Yamamoto

Yusutomo Yamamoto 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).

  • Disk array system and method for migrating from one storage system to another
    Patent number: 8041909
    Abstract: The present invention provides a storage system for migrating a storage apparatus. The storage system comprises the steps of: defining a logical volume on a storage apparatus to be migrated coupled to a first controller as a local volume coupled to a second controller; setting to receive an access targeted to the logical volume through an input/output port of the storage apparatus to be migrated, as the local volume coupled to the second controller; blocking the input/output port of the storage apparatus to be migrated; connecting the other input/output port of the storage apparatus to the second control apparatus.
    Type: Grant
    Filed: August 7, 2007
    Date of Patent: October 18, 2011
    Assignee: Hitachi, Ltd.
    Inventors: Noboru Morishita, Yusutomo Yamamoto