Patents by Inventor Kazumitsu Matsuda

Kazumitsu Matsuda 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).

  • Employment method of virtual tape volume
    Patent number: 7650456
    Abstract: Conventionally, it has been impossible to use a virtual tape volume having the same volume serial number and different media. A computer implemented virtual tape system enables making definition of a virtual tape volume of another medium with the same volume serial number and definition of a virtual tape magazine of grouped virtual tape in a virtual tape management table. A virtual tape control mounts a virtual tape volume of a virtual tape magazine used in a job or a virtual tape volume on a virtual tape device based on a management table correlating the job with the virtual tape magazine or a command.
    Type: Grant
    Filed: July 11, 2007
    Date of Patent: January 19, 2010
    Assignee: Hitachi, Ltd.
    Inventors: Kazumitsu Matsuda, Yoshiaki Shinmura, Takeaki Murakoso, Yasunori Uejima, Hirokazu Tamaki
  • Employment method of virtual tape volume
    Publication number: 20070260787
    Abstract: Conventionally, it has been impossible to use a virtual tape volume having the same volume serial number and different media. A computer implemented virtual tape system enables making definition of a virtual tape volume of another medium with the same volume serial number and definition of a virtual tape magazine of grouped virtual tape in a virtual tape management table.
    Type: Application
    Filed: July 11, 2007
    Publication date: November 8, 2007
    Inventors: Kazumitsu Matsuda, Yoshiaki Shinmura, Takeaki Murakoso, Yasunori Uejima, Hirokazu Tamaki
  • Employment method of virtual tape volume
    Patent number: 7263574
    Abstract: Conventionally, it has been impossible to use a virtual tape volume having the same volume serial number and different media. A computer implemented virtual tape system enables making definition of a virtual tape volume of another medium with the same volume serial number and definition of a virtual tape magazine of grouped virtual tape in a virtual tape management table. A virtual tape control mounts a virtual tape volume of a virtual tape magazine used in a job or a virtual tape volume on a virtual tape device based on a management table correlating the job with the virtual tape magazine or a command.
    Type: Grant
    Filed: January 12, 2005
    Date of Patent: August 28, 2007
    Assignee: Hitachi, Ltd.
    Inventors: Kazumitsu Matsuda, Yoshiaki Shinmura, Takeaki Murakoso, Yasunori Uejima, Hirokazu Tamaki
  • Employment method of virtual tape volume
    Publication number: 20060106970
    Abstract: Conventionally, it has been impossible to use a virtual tape volume having the same volume serial number and different media. A computer implemented virtual tape system enables making definition of a virtual tape volume of another medium with the same volume serial number and definition of a virtual tape magazine of grouped virtual tape in a virtual tape management table. A virtual tape control mounts a virtual tape volume of a virtual tape magazine used in a job or a virtual tape volume on a virtual tape device based on a management table correlating the job with the virtual tape magazine or a command.
    Type: Application
    Filed: January 12, 2005
    Publication date: May 18, 2006
    Inventors: Kazumitsu Matsuda, Yoshiaki Shinmura, Takeaki Murakoso, Yasunori Uejima, Hirokazu Tamaki