Patents by Inventor Olle Gunner Heinonen

Olle Gunner Heinonen 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).

  • Writer structure with assisted bias
    Patent number: 7397633
    Abstract: A recording head for use with a storage medium is provided. The recording head includes a substrate, a magnetic pole, a first magnetic bias structure positioned on a first side of the magnetic pole, and a second magnetic bias structure positioned on a second side of the magnetic pole, Spacer material is positioned between the magnetic pole and the first magnetic bias structure and between the magnetic pole and the second magnetic bias structure.
    Type: Grant
    Filed: March 1, 2005
    Date of Patent: July 8, 2008
    Assignee: Seagate Technology, LLC
    Inventors: Song Sheng Xue, Mark Thomas Kief, Johannes van Ek, Nural Amin, Olle Gunner Heinonen, Kaizhong Gao, Patrick Joseph Ryan