Patents by Inventor Tom Narasaki

Tom Narasaki 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).

  • Flexible disk pack module with improved Delta-pak stiffeners
    Patent number: 4823215
    Abstract: A flexible disk pack having a pair of floppy end plates. The end plates are adapted to assume a Delta or tapered shape when they are rotated with the record pack. Each of the end plates is formed of at least two stacks of contiguous flexible disks separated by wedge spacers. The thickness and mass of the outer stack of each end plate is determined by the stiffness desired while the thickness and mass of the inner stack is selected to cause it to bend smoothly toward the outer stack allowing for pneumatic stability during partitioning.
    Type: Grant
    Filed: February 27, 1981
    Date of Patent: April 18, 1989
    Assignee: Unisys Corp.
    Inventors: Dean DeMoss, Harvey J. Richardson, Tom Narasaki