Patents by Inventor Takeyasu Maeda

Takeyasu Maeda 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).

  • Antenna module for a portable radio equipment with a grounding conductor
    Patent number: 5631660
    Abstract: An antenna module capable of finely adjusting the resonant frequency and having an antenna element exclusively used for radio transmission and reception to provide a broad frequency band characteristic. This antenna module is composed of a dielectric substrate molded in a predetermined shape, a grounding conductor in the form of sheet provided on one surface of the dielectric substrate, and antenna element conductor in the form of sheet provided on the opposite surface to the above one surface and having end portion being almost V-shaped end folded, and an adjusting member inserted into the almost V-shaped folded end portion.
    Type: Grant
    Filed: November 7, 1995
    Date of Patent: May 20, 1997
    Assignee: Fujitsu Limited
    Inventors: Yutaka Higashiguchi, Mitsuo Inagaki, Takeyasu Maeda, Kazuyoshi Aoki, Kohichi Kamei, Toshiaki Amano
  • Manufacturing method for antenna module
    Patent number: 5361488
    Abstract: A manufacturing method for plural antenna modules which is suitable for mass production. Each antenna module includes a ground element, an antenna element, a loop element, and an element support.
    Type: Grant
    Filed: December 10, 1993
    Date of Patent: November 8, 1994
    Assignee: Fujitsu Limited
    Inventors: Yutaka Higashiguchi, Mitsuo Inagaki, Hidenori Tanizawa, Takeyasu Maeda, Noriyuki Kohma, Hajime Mochizuki, Kouroh Mekata, Toshiaki Amano, Yoshikazu Kamei