Patents by Inventor Teruyoshi Kageyama

Teruyoshi Kageyama 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).

  • Flexible printed circuit board
    Patent number: 6943302
    Abstract: A flexible printed circuit board of the present invention directly relays connecting portions of a magnetic head placed on a suspension to connecting portions of a base end of a carriage arm in a head suspension assembly of a magnetic disk apparatus. The flexible printed circuit board includes a laminate composed of at least a base layer, a plurality of conductive circuits formed on the base layer, a cover layer covering the conductive circuits, and a conductive polymer layer formed in the insulating material portion in the surface of the laminate. The flexible printed circuit board includes a stainless layer below the base layer or on a lower side of the conductive polymer layer on the base layer side.
    Type: Grant
    Filed: December 27, 2002
    Date of Patent: September 13, 2005
    Assignee: Achilles Corporation
    Inventors: Teruyoshi Kageyama, Shinya Okino, Mamoru Ito
  • Flexible printed circuit board
    Publication number: 20030151902
    Abstract: A flexible printed circuit board of the present invention directly relays connecting portions of a magnetic head placed on a suspension to connecting portions of a base end of a carriage arm in a head suspension assembly of a magnetic disk apparatus. The flexible printed circuit board includes a laminate composed of at least a base layer, a plurality of conductive circuits formed on the base layer, a cover layer covering the conductive circuits, and a conductive polymer layer formed in the insulating material portion in the surface of the laminate. The flexible printed circuit board includes a stainless layer below the base layer or on a lower side of the conductive polymer layer on the base layer side.
    Type: Application
    Filed: December 27, 2002
    Publication date: August 14, 2003
    Applicant: Achilles Corporation
    Inventors: Teruyoshi Kageyama, Shinya Okino, Mamoru Ito