Patents by Inventor Yoji Isoda

Yoji Isoda 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).

  • Crossed waveguide type polarization separator
    Patent number: 4490696
    Abstract: A crossed waveguide type polarization separator comprises a crossed waveguide for propagating orthogonal linear polarized waves, at least one conductor septum fitted in the crossed waveguide to totally reflect only one polarized wave in the linear polarized waves, at least one subwaveguide for receiving one linear polarized wave formed by the total reflection of the conductor septum, and a waveguide for receiving the other linear polarized wave which is not reflected by the conductor septum.
    Type: Grant
    Filed: December 9, 1981
    Date of Patent: December 25, 1984
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Fumio Takeda, Osami Ishida, Yoji Isoda