Patents by Inventor David DjawaprawIra

David DjawaprawIra 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).

  • Publication number: 20030035969
    Abstract: A vertical magnetic recording medium and a method for evaluating the same by which the thickness of the micro-crystalline texture part occupying the ferromagnetic layer in the recording layer of the medium can be grasped quantitatively along with the distribution thereof in the thickness direction and the crystal magnetic anisotropy constant Kugrain of magnetic crystal grains in a columnar texture part can be determined simultaneously.
    Type: Application
    Filed: September 17, 2002
    Publication date: February 20, 2003
    Inventors: Migaku Takahashi, Shin Saito, David DjawaprawIra