Patents by Inventor Ji Sung KWON

Ji Sung KWON 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: 20230137881
    Abstract: The present disclosure relates to a visible and infrared stealth element. The element of the present disclosure may selectively control thermal radiation energy according to a wavelength, and may also control a surface color and reflectance of near-infrared light and short-wavelength infrared light.
    Type: Application
    Filed: March 17, 2022
    Publication date: May 4, 2023
    Inventors: Chong Min KOO, Tae Yun KO, Jae Eun YOON, Soon Man HONG, Seon Joon KIM, Seung Sang HWANG, Albert Lee, Myung Ki KIM, Chang Hoon PARK, Ji Sung KWON
  • Patent number: 11016201
    Abstract: Disclosed is a radiation measuring device capable of measuring concentration of radiation contained in indoor air. The radiation measuring device according to the present invention includes: an ionization chamber configured to be supplied with a voltage and to form a space for ionizing air introduced; a substrate assembly coupled to the ionization chamber and transfer the voltage supplied from the outside to the ionization chamber; a probe member provided in the ionization chamber and configured to detect an electric charge in the ionization chamber; and a switching element connected to the probe member and configured to allow a current to flow when the electric charge is applied to the probe member.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: May 25, 2021
    Assignee: ISQUARE INC.
    Inventors: Ji Sung Kwon, Jung Ho Hwang
  • Publication number: 20200278457
    Abstract: Disclosed is a radiation measuring device capable of measuring concentration of radiation contained in indoor air. The radiation measuring device according to the present invention includes: an ionization chamber configured to be supplied with a voltage and to form a space for ionizing air introduced; a substrate assembly coupled to the ionization chamber and transfer the voltage supplied from the outside to the ionization chamber; a probe member provided in the ionization chamber and configured to detect an electric charge in the ionization chamber; and a switching element connected to the probe member and configured to allow a current to flow when the electric charge is applied to the probe member.
    Type: Application
    Filed: December 12, 2018
    Publication date: September 3, 2020
    Inventors: Ji Sung KWON, Jung Ho HWANG