Patents by Inventor Noboru Owa

Noboru Owa 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).

  • Magnetic tape system with write retry means
    Patent number: 4783784
    Abstract: Disclosed is a magnetic tape system of the type where when a write error is caused by writing data in a magnetic tape by a magnetic head, the write error is processed according to the variable length erase method. In this magnetic tape system, when a write error occurs, a write retry operation is executed, and lengths of blocks erased by the write retry operation are integrated. When the integrated length exceeds a predetermined value, a tape error is reported, and information of a long IBG having a length exceeding the length specified by the ISO standard is prevented.
    Type: Grant
    Filed: July 9, 1986
    Date of Patent: November 8, 1988
    Assignee: Fujitsu Limited
    Inventors: Masayuki Ishiguro, Noboru Owa