Patents by Inventor Sigeo Fujii

Sigeo Fujii 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).

  • Chip antenna, an antenna device, and a communication equipment
    Patent number: 7821468
    Abstract: The linear conductor 2 penetrates the magnetic base 1 along with the longitudinal direction of the magnetic base 1. The linear conductor 2 has a straight shape. The straight shape conductor 2 is installed so that it is surrounded by outside planes of the magnetic base 1, such as the side of a rectangular parallelepiped or a cylindrical peripheral face, and it penetrates both end sides of the magnetic base 1 in the longitudinal direction.
    Type: Grant
    Filed: March 23, 2007
    Date of Patent: October 26, 2010
    Assignee: Hitachi Metals, Ltd.
    Inventors: Hiroyuki Aoyama, Masayuki Gonda, Sigeo Fujii, Shuuichi Takano
  • CHIP ANTENNA, AN ANTENNA DEVICE, AND A COMMUNICATION EQUIPMENT
    Publication number: 20070222689
    Abstract: The linear conductor 2 penetrates the magnetic base 1 along with the longitudinal direction of the magnetic base 1. The linear conductor 2 has a straight shape. The straight shape conductor 2 is installed so that it is surrounded by outside planes of the magnetic base 1, such as the side of a rectangular parallelepiped or a cylindrical peripheral face, and it penetrates both end sides of the magnetic base 1 in the longitudinal direction.
    Type: Application
    Filed: March 23, 2007
    Publication date: September 27, 2007
    Applicant: Hitachi Metals, Ltd.
    Inventors: Hiroyuki Aoyama, Masayuki Gonda, Sigeo Fujii, Shuuichi Takano