Patents by Inventor Hyo-Joung Kim

Hyo-Joung 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).

  • Patent number: 11963439
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, it is possible to produce an organic electroluminescent device having improved driving voltage, power efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: April 16, 2024
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Eun-Joung Choi, Young-Kwang Kim, Su-Hyun Lee, So-Young Jung, YeJin Jeon, Hong-Se Oh, Dong-Hyung Lee, Jin-Man Kim, Hyun-Woo Kang, Mi-Ja Lee, Hee-Ryong Kang, Hyo-Nim Shin, Jeong-Hwan Jeon, Sang-Hee Cho
  • Publication number: 20120002651
    Abstract: A mobile Internet access point is disclosed that connects a wireless LAN terminal to a mobile Internet. The mobile Internet access point includes: a plurality of mobile Internet access units, a wireless LAN access unit, and a converting unit. The mobile Internet access units communicate with one or more base stations, respectively, and are connected to a mobile Internet. The wireless LAN access unit is connected to one or more wireless LAN terminals that can be connected to a wireless LAN and manages connected wireless LAN terminals. The converting unit converts wireless data, received by the wireless LAN access unit, into mobile Internet data following the protocol of the mobile Internet. The converting unit also converts mobile Internet data, received via the plurality of mobile Internet access units, into wireless LAN data following the protocol of the wireless LAN.
    Type: Application
    Filed: June 29, 2011
    Publication date: January 5, 2012
    Applicant: SK TELESYS., CO. LTD
    Inventors: Young-Ki Yoon, Jung-Goo Lee, Doo-Ik Seok, Gi-Woong Kim, Eun-Hae Bae, Jae-Woong Baik, Hyoung-Kwon Kim, Jong-Sun Lim, Byung-Joo Kim, Hyo-Joung Kim