Patents by Inventor Chiseki Haginoya

Chiseki Haginoya 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 head and recording and playback drive
    Publication number: 20050157431
    Abstract: Embodiments of the invention provide a magnetic recording and read head which reduces the spread read width in a narrow track having a width of 100 nm or less and shows stable read operation. In one embodiment, a side magnetic shield has a multi-layered structure including non-magnetic separate layers and soft magnetic layers, and the soft magnetic layers are magnetized in opposite directions to reduce a magnetic field induced by the side magnetic shield.
    Type: Application
    Filed: October 29, 2004
    Publication date: July 21, 2005
    Applicant: Hitachi Global Storage Technologies Netherlands, B.V.
    Inventors: Masahiko Hatatani, Chiseki Haginoya, Kenichi Meguro, Kazuhiro Nakamoto
  • Magnetic recording media and method of forming them
    Publication number: 20040166372
    Abstract: The present invention is directed to-carrying out a high density magnetic recording to a material having a large coercive force by perpendicular magnetic recording head.
    Type: Application
    Filed: December 30, 2003
    Publication date: August 26, 2004
    Inventors: Chiseki Haginoya, Kaori Suzuki, Hisashi Kimura, Masaaki Futamoto, Hideo Matsuyama