Patents by Inventor Yukio Sasada

Yukio Sasada 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).

  • Recording/reproducing separation type magnetic head
    Patent number: 5894380
    Abstract: A slider including a recording and reproducing separation type magnetic head includes that a proximal end of a first lead-out conductor is connected to a proximal end of a central winding portion of a coil sued for record, a distal end of the first lead-out conductor is connected to one terminal used for the record; a proximal end of second lead-out conductor is connected to a proximal end of the winding coil, and extended to an opposite direction against the first lead-out conductor along the upper surface of the slider, a distal end of the second lead-out conductor is connected to another terminal used for the recording device; a proximal end of a third lead-out conductor is connected to a reproducing device; a proximal end of a fourth lead-out conductor is connected to the reproducing device; the third lead-out conductor is extended along an air bearing surface of the slider in a lateral direction; the fourth lead-out conductor is extended along the air bearing surface of the slider in a direction opposite
    Type: Grant
    Filed: December 9, 1996
    Date of Patent: April 13, 1999
    Assignee: Hitachi, Ltd.
    Inventors: Yukio Sasada, Tadashi Imanaka, Hiroaki Koyanagi, Fumiomi Ueda
  • Recording/reproducing separation type magnetic head
    Patent number: RE37785
    Abstract: A slider including a recording and reproducing separation type magnetic head includes that a proximal end of a first lead-out conductor is connected to a proximal end of a central winding portion of a coil sued for record, a distal end of the first lead-out conductor is connected to one terminal used for the record; a proximal end of second lead-out conductor is connected to a proximal end of the winding coil, and extended to an opposite direction against the first lead-out conductor along the upper surface of the slider, a distal end of the second lead-out conductor is connected to another terminal used for the recording device; a proximal end of a third lead-out conductor is connected to a reproducing device; a proximal end of a fourth lead-out conductor is connected to the reproducing device; the third lead-out conductor is extended along an air bearing surface of the slider in a lateral direction; the fourth lead-out conductor is extended along the air bearing surface of the slider in a direction opposite
    Type: Grant
    Filed: June 20, 2000
    Date of Patent: July 9, 2002
    Assignee: Hitachi, Ltd.
    Inventors: Yukio Sasada, Tadashi Imanaka, Hiroaki Koyanagi, Fumiomi Ueda