Patents by Inventor Kyung-Jin Ahn

Kyung-Jin Ahn 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: 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
  • Publication number: 20220218685
    Abstract: The present invention relates to a composition for treating eye diseases, wherein the composition comprises a pyrazole-based compound, which is a pharmacologically active substance, and a biodegradable polymer, so that a drug effectively reaches a posterior segment of an eyeball, while prolonging an action time of the drug administered into the eyeball.
    Type: Application
    Filed: May 29, 2020
    Publication date: July 14, 2022
    Applicants: Samjin Pharmaceutical Co., Ltd., AptaBio Therapeutics Inc.
    Inventors: Min-hyo Ki, Kyung-wan Nam, Jin-cheul Kim, Kyung-jin Ahn, Sung Hwan Moon, Soo Jin Lee
  • Patent number: 10171543
    Abstract: A method of operating a first electronic device is provided. The method includes transmitting stream data to a second electronic device, receiving, from the second electronic device, stream information associated with the stream data received by the second electronic device, and determining at least some of the stream data to be transmitted to the second electronic device based on the received stream information.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: January 1, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Heung-Ki Lee, Kyung-Jin Ahn, Ji-Yoon Park
  • Patent number: 9246966
    Abstract: Methods and apparatus are provided for transmitting and receiving multimedia contents. A transmission characteristic relating to a section, from among a plurality of sections for transmitting data, where an initial transmission speed is high, is provided from a server. The multimedia contents are requested in consideration of the transmission characteristic. The multimedia contents are received from the server.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: January 26, 2016
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Seung-Ryong Kook, Kyung-Jin Ahn, Gil-Yoon Kim, Nam-Guk Kim, Su-Hyung Kim, Jae-Yong Yang, Heung-Ki Lee, Hae-Taek Jung
  • Publication number: 20150288737
    Abstract: A method of operating a first electronic device is provided. The method includes transmitting stream data to a second electronic device, receiving, from the second electronic device, stream information associated with the stream data received by the second electronic device, and determining at least some of the stream data to be transmitted to the second electronic device based on the received stream information.
    Type: Application
    Filed: April 7, 2015
    Publication date: October 8, 2015
    Inventors: Heung-Ki LEE, Kyung-Jin AHN, Ji-Yoon PARK
  • Publication number: 20130254345
    Abstract: Methods and apparatus are provided for transmitting and receiving multimedia contents. A transmission characteristic relating to a section, from among a plurality of sections for transmitting data, where an initial transmission speed is high, is provided from a server. The multimedia contents are requested in consideration of the transmission characteristic. The multimedia contents are received from the server.
    Type: Application
    Filed: February 21, 2013
    Publication date: September 26, 2013
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seung-Ryong KOOK, Kyung-Jin Ahn, Gil-Yoon Kim, Nam-Guk Kim, Su-Hyung Kim, Jae-Yong Yang, Heung-Ki Lee, Hae-Taek Jung