Patents by Inventor Kumiko USUI

Kumiko USUI 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).

  • WAVEGUIDE DEVICE, AND ANTENNA DEVICE INCLUDING THE WAVEGUIDE DEVICE
    Publication number: 20180351261
    Abstract: A waveguide device includes: a circuit board having a microstrip line thereon; a microwave IC connected to one end of the microstrip line; a first waffle-iron ridge waveguide; a second waffle-iron ridge waveguide; a first hollow waveguide which is at one end connected to another end of the microstrip line, and at another end connected to a first site of the first waffle-iron ridge waveguide; and a second hollow waveguide which is at one end connected to a second site of the first waffle-iron ridge waveguide, and at another end connected to a first site of the second waffle-iron ridge waveguide.
    Type: Application
    Filed: June 4, 2018
    Publication date: December 6, 2018
    Inventors: Hiroyuki KAMO, Hideki KIRINO, Kumiko USUI