Patents by Inventor Yo Iwaoka

Yo Iwaoka 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).

  • Information processing apparatus and data transfer method
    Patent number: 8402189
    Abstract: An object is to provide an information processing apparatus capable of improving the availability as a system while improving the reliability of a data transfer path and a data transfer method.
    Type: Grant
    Filed: May 13, 2010
    Date of Patent: March 19, 2013
    Assignee: Hitachi, Ltd.
    Inventors: Tsutomu Koga, Yo Iwaoka
  • INFORMATION PROCESSING APPARATUS AND DATA TRANSFER METHOD
    Publication number: 20110283037
    Abstract: An object is to provide an information processing apparatus capable of improving the availability as a system while improving the reliability of a data transfer path and a data transfer method.
    Type: Application
    Filed: May 13, 2010
    Publication date: November 17, 2011
    Applicant: HITACHI, LTD.
    Inventors: Tsutomu Koga, Yo Iwaoka
  • Storage system disposed with plural integrated circuits
    Patent number: 8010720
    Abstract: To provide a transceiving technology that controls the mounting area of a circuit pertaining to transmission and/or reception and where the utilization efficiency of a buffer is improved. In a transmission side circuit, there are disposed a transmission side first circuit component that generates a first packet that follows a request and a transmission side second circuit component that is a lower-level circuit component of the transmission side first circuit component, includes a transmission buffer and temporarily stores in the transmission buffer, and transmits, a second packet that includes the first packet. The second packet includes a second header portion and a second data portion. In the second data portion that the second packet that is transmitted from the transmission side second circuit component includes, there is included the first packet, and in the second header portion, there is included a predetermined value as a parameter value that represents the type of the second packet.
    Type: Grant
    Filed: November 10, 2008
    Date of Patent: August 30, 2011
    Assignee: Hitachi, Ltd.
    Inventors: Yo Iwaoka, Naoki Moritoki
  • STORAGE SYSTEM DISPOSED WITH PLURAL INTEGRATED CIRCUITS
    Publication number: 20100049886
    Abstract: To provide a transceiving technology that controls the mounting area of a circuit pertaining to transmission and/or reception and where the utilization efficiency of a buffer is improved. In a transmission side circuit, there are disposed a transmission side first circuit component that generates a first packet that follows a request and a transmission side second circuit component that is a lower-level circuit component of the transmission side first circuit component, includes a transmission buffer and temporarily stores in the transmission buffer, and transmits, a second packet that includes the first packet. The second packet includes a second header portion and a second data portion. In the second data portion that the second packet that is transmitted from the transmission side second circuit component includes, there is included the first packet, and in the second header portion, there is included a predetermined value as a parameter value that represents the type of the second packet.
    Type: Application
    Filed: November 10, 2008
    Publication date: February 25, 2010
    Inventors: Yo IWAOKA, Naoki Moritoki