Patents by Inventor Naomitsu Sakaguchi

Naomitsu Sakaguchi 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).

  • Disc holding apparatus
    Patent number: 6951278
    Abstract: Apparatus used for holding a disc (12) including a lower surface and an upper surface with an opening extending between the surfaces, comprises a base (1) and a hub (2) extending upwards from the base. The hub includes a center portion (6) adapted to pass through the opening of the disc and engage the upper surface of the disc (12) to hold the disc on the hub. The hub (2) includes outer pieces (4), non-movable with respect to the base (1), for arresting downward movement of the disc (12) during its removal.
    Type: Grant
    Filed: October 3, 2001
    Date of Patent: October 4, 2005
    Assignee: Nexpak Corporation
    Inventors: Michael Pettigrew, Naomitsu Sakaguchi
  • Disc holding apparatus
    Publication number: 20040031707
    Abstract: Apparatus used for holding a disc (12) including a lower surface and an upper surface with an opening extending between the surfaces, comprises a base (1) and a hub (2) extending upwards from the base. The hub includes a centre portion (6) adapted to pass through the opening of the disc and engage the upper surface of the disc (12) to hold the disc on the hub. The hub (2) includes outer pieces (4), non-movable with respect to the base (1), for arresting downward movement of the disc (12) during its removal.
    Type: Application
    Filed: July 24, 2003
    Publication date: February 19, 2004
    Inventors: Michael Pettigrew, Naomitsu Sakaguchi