Patents by Inventor Tsutomu Matusi

Tsutomu Matusi 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).

  • Disk unit including locking plate and spring for moving a disk drive frame between first and second positions
    Patent number: 6169718
    Abstract: A disk unit includes a disk drive frame, a chassis elastically secured to the disk drive frame, a locking plate, connected to the disk drive frame, for moving the disk drive to a locked position, and a spring, connected to the locking plate, for moving the disk drive frame to an unlocked position.
    Type: Grant
    Filed: September 16, 1997
    Date of Patent: January 2, 2001
    Assignee: NEC Corporation
    Inventor: Tsutomu Matusi