Patents by Inventor Akiko Handa

Akiko Handa 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).

  • Magnetic recording medium and magnetic recording medium driving apparatus
    Patent number: 7273666
    Abstract: A magnetic recording medium and a magnetic recording medium driving apparatus are disclosed. By providing a plurality of intermediate layers made of a CoCr alloy of which saturation magnetic flux densities are controlled within a predetermined range, the magnetic recording medium, and the magnetic recording medium driving apparatus, realize a high S/Nm and thermal stability.
    Type: Grant
    Filed: May 4, 2004
    Date of Patent: September 25, 2007
    Assignee: Fujitsu Limited
    Inventors: Akiko Handa, Kazuhisa Shida, Noriyuki Asakura, Akira Kikuchi
  • Magnetic recording medium and magnetic recording medium driving apparatus
    Publication number: 20040252411
    Abstract: A magnetic recording medium and a magnetic recording medium driving apparatus are disclosed. By providing a plurality of intermediate layers made of a CoCr alloy of which saturation magnetic flux densities are controlled within a predetermined range, the magnetic recording medium, and the magnetic recording medium driving apparatus, realize a high S/Nm and thermal stability.
    Type: Application
    Filed: May 4, 2004
    Publication date: December 16, 2004
    Applicant: FUJITSU LIMITED
    Inventors: Akiko Handa, Kazuhisa Shida, Noriyuki Asakura, Akira Kikuchi