Patents by Inventor Yutaka Simawaki

Yutaka Simawaki 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).

  • Rotary joint
    Patent number: 7091804
    Abstract: The present invention aims at providing a rotary joint which is of a thin type and has broad band characteristics and which is low in loss and is excellent in power resistance as well. In order to attain the object, the rotary joint includes: first and second polarizers each having a common side terminal connected to a waveguide portion, and two branch side terminals through which two polarized waves orthogonal to each other inputted through the common side terminal are separately taken out; and the waveguide portion which has a rotatable connection portion, one end of which is connected to the common side terminal of the first polarizer and the other end of which is connected to the common side terminal of the second polarizer.
    Type: Grant
    Filed: March 25, 2003
    Date of Patent: August 15, 2006
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Yoji Aramaki, Naofumi Yoneda, Moriyasu Miyazaki, Akio Iida, Izuru Naito, Toshiyuki Horie, Yutaka Simawaki
  • Rotary joint
    Publication number: 20040135657
    Abstract: The present invention aims at providing a rotary joint which is of a thin type and has broad band characteristics and which is low in loss and is excellent in power resistance as well. In order to attain the object, the rotary joint includes: first and second polarizers each having a common side terminal connected to a waveguide portion, and two branch side terminals through which two polarized waves orthogonal to each other inputted through the common side terminal are separately taken out; and the waveguide portion which has a rotatable connection portion, one end of which is connected to the common side terminal of the first polarizer and the other end of which is connected to the common side terminal of the second polarizer.
    Type: Application
    Filed: October 21, 2003
    Publication date: July 15, 2004
    Inventors: Yoji Aramaki, Naofumi Yoneda, Moriyasu Miyazaki, Akio Iida, Izuru Naito, Toshiyuki Horie, Yutaka Simawaki