Patents by Inventor Koki Uefune

Koki Uefune 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).

  • Apparatus for locking a moveable part of a magnetic disk apparatus
    Patent number: 7116508
    Abstract: A magnetic disk apparatus has: a magnetic disk having a magnetic film formed on a substrate; a spindle motor for rotating the magnetic disk; a magnetic head for writing/reading information on/from the magnetic disk; a supporting member for supporting the magnetic head; a driving mechanism for moving the magnetic head to a predetermined position on the magnetic disk; a magnetic writing/reading circuit for enabling the magnetic head to write/read information on/from the magnetic disk; an interface for sending/receiving signals for controlling the information to/from another information processing device, a device for detecting whether or not the magnetic disk apparatus is in operation; and mechanism for latching movable part of the magnetic disk apparatus on the basis of detection result of the detecting device.
    Type: Grant
    Filed: January 28, 2005
    Date of Patent: October 3, 2006
    Assignee: Hitachi Global Storage Technologies Japan, Ltd.
    Inventors: Kyo Akagi, Takashi Yamaguchi, Koki Uefune, Motoyasu Tsunoda, Atsushi Saito
  • Magnetic disk apparatus
    Publication number: 20050128627
    Abstract: A magnetic disk apparatus has: a magnetic disk having a magnetic film formed on a substrate; a spindle motor for rotating the magnetic disk; a magnetic head for writing/reading information on/from the magnetic disk; a supporting member for supporting the magnetic head; a driving mechanism for moving the magnetic head to a predetermined position on the magnetic disk; a magnetic writing/reading circuit for enabling the magnetic head to write/read information on/from the magnetic disk; an interface for sending/receiving signals for controlling the information to/from another information processing device, a device for detecting whether or not the magnetic disk apparatus is in operation; and mechanism for latching movable part of the magnetic disk apparatus on the basis of detection result of the detecting device.
    Type: Application
    Filed: January 28, 2005
    Publication date: June 16, 2005
    Inventors: Kyo Akagi, Takashi Yamaguchi, Koki Uefune, Motoyasu Tsunoda, Atsushi Saito
  • Apparatus for latching a magnetic disk
    Patent number: 6862153
    Abstract: A magnetic disk apparatus has: a magnetic disk having a magnetic film formed on a substrate; a spindle motor for rotating the magnetic disk; a magnetic head for writing/reading information on/from the magnetic disk; a supporting member for supporting the magnetic head; a driving mechanism for moving the magnetic head to a predetermined position on the magnetic disk; a magnetic writing/reading circuit for enabling the magnetic head to write/read information on/from the magnetic disk; an interface for sending/receiving signals for controlling the information to/from another information processing device, a device for detecting whether or not the magnetic disk apparatus is in operation; and mechanism for latching movable part of the magnetic disk apparatus on the basis of detection result of the detecting device.
    Type: Grant
    Filed: July 11, 2001
    Date of Patent: March 1, 2005
    Assignee: Hitachi, Ltd.
    Inventors: Kyo Akagi, Takashi Yamaguchi, Koki Uefune, Motoyasu Tsunoda, Atsushi Saito
  • Magnetic disk apparatus
    Publication number: 20020027735
    Abstract: A magnetic disk apparatus has: a magnetic disk having a magnetic film formed on a substrate; a spindle motor for rotating the magnetic disk; a magnetic head for writing/reading information on/from the magnetic disk; a supporting member for supporting the magnetic head; a driving mechanism for moving the magnetic head to a predetermined position on the magnetic disk; a magnetic writing/reading circuit for enabling the magnetic head to write/read information on/from the magnetic disk; an interface for sending/receiving signals for controlling the information to/from another information processing device, a device for detecting whether or not the magnetic disk apparatus is in operation; and mechanism for latching movable part of the magnetic disk apparatus on the basis of detection result of the detecting device.
    Type: Application
    Filed: July 11, 2001
    Publication date: March 7, 2002
    Inventors: Kyo Akagi, Takashi Yamaguchi, Koki Uefune, Motoyasu Tsunoda, Atsushi Saito