Patents by Inventor Nam-Choon Kim

Nam-Choon Kim 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).

  • MULTI-COMPONENT HOST MATERIAL AND AN ORGANIC ELECTROLUMINESCENCE DEVICE COMPRISING THE SAME
    Publication number: 20240090328
    Abstract: The present invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.
    Type: Application
    Filed: October 26, 2023
    Publication date: March 14, 2024
    Inventors: Hee-Choon AHN, Young-Kwang KIM, Su-Hyun LEE, Ji-Song JUN, Seon-Woo LEE, Chi-Sik KIM, Kyoung-Jin PARK, Nam-Kyun KIM, Kyung-Hoon CHOI, Jae-Hoon SHIM, Young-Jun CHO, Kyung-Joo LEE
  • Low-shock separation device
    Patent number: 10480898
    Abstract: A low-shock separation device is characterized in that an internal locking structure is unlocked and a bolt is separated by operating a specific part of components thereof using high pressure that is generated by combustion of powder.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: November 19, 2019
    Assignee: AGENCY FOR DEFENSE DEVELOPMENT
    Inventors: Dong-Jin Kim, Zaeill Kim, Nam-Choon Kim, Yeung-Jo Lee, Jeong-Min Cha
  • LOW-SHOCK SEPARATION DEVICE
    Publication number: 20190249951
    Abstract: A low-shock separation device is characterized in that an internal locking structure is unlocked and a bolt is separated by operating a specific part of components thereof using high pressure that is generated by combustion of powder.
    Type: Application
    Filed: February 12, 2018
    Publication date: August 15, 2019
    Inventors: Dong-Jin KIM, ZAEILL KIM, Nam-Choon KIM, Yeung-Jo LEE, Jeong-Min Cha