Patents by Inventor Daisuke Mitsutake

Daisuke Mitsutake 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).

  • Patent number: 7596660
    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: January 16, 2007
    Date of Patent: September 29, 2009
    Assignee: Hitachi, Ltd.
    Inventors: Xiaoming Jiang, Satoshi Yagi, Daisuke Mitsutake, Ikuya Yagisawa
  • Patent number: 7181571
    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: September 23, 2005
    Date of Patent: February 20, 2007
    Assignee: Hitachi, Ltd.
    Inventors: Xiao Ming Jiang, Satoshi Yagi, Daisuke Mitsutake, Ikuya Yagisawa
  • Publication number: 20060020755
    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: September 23, 2005
    Publication date: January 26, 2006
    Applicant: Hitachi, Ltd.
    Inventors: Xiaoming Jiang, Satoshi Yagi, Daisuke Mitsutake, Ikuya Yagisawa