Patents by Inventor Hae Ri Roh

Hae Ri Roh 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).

  • PHASE SHIFTING DEVICE
    Publication number: 20230246319
    Abstract: Disclosed is a phase shifter. According to an embodiment of the present invention, provided is a phase shifter comprising: an elongated fixed board unit including one or more fixed circuit boards each having a circuit pattern formed on one surface thereof, a guiding bracket surrounding the fixed board unit and fixed to the fixed board unit, and one or more moving board units disposed between the guiding bracket and at least one surface of the fixed board unit, guided by the guiding bracket, and including one or more moving circuit boards having conductive strips formed thereon that are coupled to the circuit patterns on the fixed circuit boards.
    Type: Application
    Filed: April 5, 2023
    Publication date: August 3, 2023
    Applicant: KMW INC.
    Inventors: Seong-man Kang, Yong Hee Han, Sung-hwan So, Dae-myung Park, Hae Ri Roh, Gyo Jin Jo, Chang Won Seo
  • Phase shifter including a fixed board unit and at least one moving board unit, where a guide bracket guides the at least one moving board unit relative to the fixed board unit
    Patent number: 11652263
    Abstract: Disclosed is a phase shifter. According to an embodiment of the present invention, provided is a phase shifter comprising: an elongated fixed board unit including one or more fixed circuit boards each having a circuit pattern formed on one surface thereof, a guiding bracket surrounding the fixed board unit and fixed to the fixed board unit, and one or more moving board units disposed between the guiding bracket and at least one surface of the fixed board unit, guided by the guiding bracket, and including one or more moving circuit boards having conductive strips formed thereon that are coupled to the circuit patterns on the fixed circuit boards.
    Type: Grant
    Filed: January 10, 2021
    Date of Patent: May 16, 2023
    Assignee: KMW INC.
    Inventors: Seong-man Kang, Yong Hee Han, Sung-hwan So, Dae-myung Park, Hae Ri Roh, Gyo Jin Jo, Chang Won Seo
  • PHASE SHIFTING DEVICE
    Publication number: 20210135328
    Abstract: Disclosed is a phase shifter. According to an embodiment of the present invention, provided is a phase shifter comprising: an elongated fixed board unit including one or more fixed circuit boards each having a circuit pattern formed on one surface thereof, a guiding bracket surrounding the fixed board unit and fixed to the fixed board unit, and one or more moving board units disposed between the guiding bracket and at least one surface of the fixed board unit, guided by the guiding bracket, and including one or more moving circuit boards having conductive strips formed thereon that are coupled to the circuit patterns on the fixed circuit boards.
    Type: Application
    Filed: January 10, 2021
    Publication date: May 6, 2021
    Applicant: KMW INC.
    Inventors: Seong-man Kang, Yong Hee Han, Sung-hwan So, Dae-myung Park, Hae Ri Roh, Gyo Jin Jo, Chang Won Seo