Patents by Inventor YouNa JANG

YouNa JANG 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).

  • Publication number: 20200265418
    Abstract: An electronic device may include: a communication circuit configured to communicate with an external electronic device, a display, a memory, and at least one processor electrically connected to the communication circuit, the display, and the memory, wherein the at least one processor is configured to operate a normal OS and a secure OS, and the memory stores instructions which, when executed, cause the at least one processor to control the electronic device to: receive a signature request message corresponding to a block chain through the communication circuit in the normal OS, drive block chain management software in response to receiving the signature request message, transfer the signature request message to the secure OS through the block chain management software, configure a user authentication request screen based on a trusted application being driven in the secure OS to output the user authentication request screen to the display, create a digital signature on the signature request message in the secu
    Type: Application
    Filed: February 19, 2020
    Publication date: August 20, 2020
    Inventors: Youna LEE, Jongkeun CHOI, Sungjin PARK, Wooseok JANG, Seongmin JE, Seungmin HA
  • Publication number: 20180034127
    Abstract: A planar type magic tee includes a first coupling unit, a second coupling unit, and transmission lines for connecting the first coupling unit and the second coupling unit to each other in a cascading manner, the transmission lines having different characteristic impedances. The planar type magic tee is capable of solving the problem caused due to the intrinsic limitation in bandwidth of a conventional ring hybrid coupler.
    Type: Application
    Filed: December 31, 2015
    Publication date: February 1, 2018
    Inventors: Dal AHN, HanJu DO, Heehwang KIM, YouNa JANG, JongSik LIM