Patents by Inventor Yoshikatsu Wada

Yoshikatsu Wada 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 disk drive and SCSI system employing the same
    Patent number: 6519713
    Abstract: A magnetic disk drive permits control to a particular one of the magnetic disk medium among a plurality of magnetic disk media on a SCSI bus and does not influence the other magnetic media, and a SCSI system employing the same. The magnetic disk drive performing exchange of data between a plurality of magnetic disk media and an external circuit through a common SCSI bus, has a plurality of reset control circuits respectively connected to the plurality of magnetic disk media by individual SCSI buses connected to the common SCSI bus, and responsive to an externally applied command data directed to own circuit, for making a reset signal on a reset signal line of the individual SCSI bus connected to the own circuit active.
    Type: Grant
    Filed: January 18, 2000
    Date of Patent: February 11, 2003
    Assignee: NEC Corporation
    Inventor: Yoshikatsu Wada