Patents by Inventor Kyoung-Jin Cho

Kyoung-Jin Cho 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
  • Method for dynamic frequency selection and system supporting the same in a cognitive radio wireless communication system
    Patent number: 8055213
    Abstract: Dynamic frequency selection based on CR is provided. A CR BS detects an interference-free and unused frequency band. When sensing a new BS that has great signal strength and requires the frequency band during communications in the frequency band, the CR BS releases the frequency band and dynamically selects another frequency band to avoid interference.
    Type: Grant
    Filed: November 6, 2006
    Date of Patent: November 8, 2011
    Assignees: Samsung Electronics Co., Ltd., Inha-Industry Partnership Institute
    Inventors: Junhong Hui, Duck-Dong Hwang, Jae-Myeong Kim, Sang-Jo Yoo, Kyoung-Jin Cho, Jae-Hak Chung
  • Method of partitioning resources in a cognitive radio wireless communication system and system supporting the same
    Patent number: 7912470
    Abstract: A method of partitioning resources in a CR wireless communication system and a system supporting the same are provided. A new BS receives radio resource status information from a prior BS using a particular frequency band, and requests resource partitioning to the prior BS using a new uplink subchannel defined for communications between BSs. Resource negotiation messages are exchanged over a channel defined between the two BSs so as to efficiently partition resources between the BSs.
    Type: Grant
    Filed: November 6, 2006
    Date of Patent: March 22, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Pandharipande Ashish, Duck-Dong Hwang, Jae-Myeong Kim, Sang-Jo Yoo, Kyoung-Jin Cho, Jae-Hak Chung
  • Method for dynamic frequency selection and system supporting the same in a cognitive radio wireless communication system
    Publication number: 20070117517
    Abstract: Dynamic frequency selection based on CR is provided. A CR BS detects an interference-free and unused frequency band. When sensing a new BS that has great signal strength and requires the frequency band during communications in the frequency band, the CR BS releases the frequency band and dynamically selects another frequency band to avoid interference.
    Type: Application
    Filed: November 6, 2006
    Publication date: May 24, 2007
    Applicants: SAMSUNG ELECTONICS CO., LTD., Inha-Industry Partnership Institute
    Inventors: Junhong Hui, Duck-Dong Hwang, Jae-Myeong Kim, Sang-Jo Yoo, Kyoung-Jin Cho, Jae-Hak Chung
  • Method of partitioning resources in a cognitive radio wireless communication system and system supporting the same
    Publication number: 20070115878
    Abstract: A method of partitioning resources in a CR wireless communication system and a system supporting the same are provided. A new BS receives radio resource status information from a prior BS using a particular frequency band, and requests resource partitioning to the prior BS using a new uplink subchannel defined for communications between BSs. Resource negotiation messages are exchanged over a channel defined between the two BSs so as to efficiently partition resources between the BSs.
    Type: Application
    Filed: November 6, 2006
    Publication date: May 24, 2007
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Pandharipande Ashish, Duck-Dong Hwang, Jae-Myeong Kim, Sang-Jo Yoo, Kyoung-Jin Cho, Jae-Hak Chung