Patents by Inventor Toshiaki Saikawa

Toshiaki Saikawa 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).

  • Disc antenna
    Patent number: 4123758
    Abstract: A disc antenna which consists of a conductor ground plate and a conductor disc provided in parallel to it, signals of a desired frequency being fed between one point on the conductor disc and the point opposite to it on the conductor ground plate and a point on said conductor disc other than said feeding point on the conductor disc being grounded, so as to radiate non-directional electric waves from the space between said conductor disc and conductor ground plate.
    Type: Grant
    Filed: February 28, 1977
    Date of Patent: October 31, 1978
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Yoshizo Shibano, Tamao Saito, Toshiaki Saikawa