Patents by Inventor Daisuke Mitsutaka

Daisuke Mitsutaka 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).

  • System and method for storage system
    Publication number: 20070136527
    Abstract: In a storage system including a plurality of data controllers that receive a data input/output request that is input via an external communication path and perform data input/output processing with respect to a storage resource in response to this request, the plurality of data controllers being connected by a data communication path and being able to communicate with one another, if a data input/output request has been input into one of the controllers, the plurality of data controllers and shares execution of the data input/output processing by communication through the data communication path.
    Type: Application
    Filed: January 16, 2007
    Publication date: June 14, 2007
    Applicant: Hitachi, Ltd.
    Inventors: Jiang Xiaoming, Satoshi Yagi, Daisuke Mitsutaka, Ikuya Yagisawa
  • System and method for storage system
    Patent number: 6985997
    Abstract: In a storage system including a plurality of data controllers that receive a data input/output request that is input via an external communication path and perform data input/output processing with respect to a storage resource in response to this request, the plurality of data controllers being connected by a data communication path and being able to communicate with one another, if a data input/output request has been input into one of the controllers, the plurality of data controllers and shares execution of the data input/output processing by communication through the data communication path.
    Type: Grant
    Filed: February 28, 2003
    Date of Patent: January 10, 2006
    Assignee: Hitachi, Ltd.
    Inventors: Xiaoming Jiang, Satoshi Yagi, Daisuke Mitsutaka, Ikuya Yagisawa
  • System and method for storage system
    Publication number: 20030212860
    Abstract: In a storage system including a plurality of data controllers that receive a data input/output request that is input via an external communication path and perform data input/output processing with respect to a storage resource in response to this request, the plurality of data controllers being connected by a data communication path and being able to communicate with one another, if a data input/output request has been input into one of the controllers, the plurality of data controllers and shares execution of the data input/output processing by communication through the data communication path.
    Type: Application
    Filed: February 28, 2003
    Publication date: November 13, 2003
    Applicant: Hitachi, Ltd.
    Inventors: Xiaoming Jiang, Satoshi Yagi, Daisuke Mitsutaka, Ikuya Yagisawa