Patents by Inventor Chang Yul Choi

Chang Yul Choi 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).

  • NDIR GAS MEASURING DEVICE FOR DETECTING PRESENCE OF GAS OTHER THAN MEASUREMENT TARGET GAS
    Publication number: 20240118196
    Abstract: In the case of a gas in which several gases are mixed, a type and concentration of the gas may be incorrectly measured when measured using only an optical band-pass filter. The invention of the present application is directed to providing a technology in which a plurality of broadband band-pass filters having overlapping regions are provided to calculate a magnitude of absorption for each wavelength band for light passing through each broadband band-pass filter, thereby identifying the presence of a gas of interest and the presence of a gas other than the gas of interest.
    Type: Application
    Filed: September 8, 2023
    Publication date: April 11, 2024
    Inventors: Cheol Woo NAM, Byung Yul MOON, Eung Yul KIM, Jae Hwan KIM, Chun Ho SHIN, Kwang Hun PARK, Myun Gu CHOI, Chang Hwang CHOI, Yong Geol KIM, Jae Min JEON
  • Method and system to provide object for content arrangement
    Patent number: 11886807
    Abstract: Disclosed is a method and system for providing an object for content arrangement. A content arrangement method includes providing a cue card list that is a card-type dedicated object for content arrangement; and arranging a content set in a card unit using a cue card selected from the cue card list.
    Type: Grant
    Filed: November 26, 2021
    Date of Patent: January 30, 2024
    Assignee: NAVER CORPORATION
    Inventors: TaeSeung Yeun, Taewan Kim, JunHo Noh, Jehyun Park, Junyoung Jang, Chang Yul Choi, Sang Hee Im, Sung A Kwon, Mihyun Kim, Seung Min Lee
  • METHOD AND SYSTEM TO PROVIDE OBJECT FOR CONTENT ARRANGEMENT
    Publication number: 20220164529
    Abstract: Disclosed is a method and system for providing an object for content arrangement. A content arrangement method includes providing a cue card list that is a card-type dedicated object for content arrangement; and arranging a content set in a card unit using a cue card selected from the cue card list.
    Type: Application
    Filed: November 26, 2021
    Publication date: May 26, 2022
    Applicant: NAVER Corporation
    Inventors: TaeSeung YEUN, Taewan KIM, JunHo NOH, Jehyun PARK, Junyoung JANG, Chang Yul CHOI, Sang Hee IM, Sung A KWON, Mihyun KIM, Seung Min LEE
  • Servers, non-transitory computer-readable media and methods for providing articles
    Patent number: 11144783
    Abstract: A method of providing news articles by a server includes determining a plurality of clusters of articles among a plurality of articles, ranking each respective cluster among the plurality of clusters of articles based on issue information associated with the respective cluster to determine one or more highest ranked clusters, and causing an electronic device to display a graphical user interface including one or more representative articles corresponding to each of the one or more highest ranked clusters, each respective representative article among the one or more representative articles being selected from among two or more articles among the plurality of articles included in a corresponding cluster among the one or more highest ranked cluster.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: October 12, 2021
    Assignee: NAVER CORPORATION
    Inventors: BongSeak Yoo, Eunjoo Jung, Chang Yul Choi, JungHye Yun, Jungdal Jeon, Daewon Jeon, Jaemin Kim, Soo Hyang Kim, Hyejin Kim, Hyuntak Sung
  • SERVERS, NON-TRANSITORY COMPUTER-READABLE MEDIA AND METHODS FOR PROVIDING ARTICLES
    Publication number: 20190354800
    Abstract: A method of providing news articles by a server includes determining a plurality of clusters of articles among a plurality of articles, ranking each respective cluster among the plurality of clusters of articles based on issue information associated with the respective cluster to determine one or more highest ranked clusters, and causing an electronic device to display a graphical user interface including one or more representative articles corresponding to each of the one or more highest ranked clusters, each respective representative article among the one or more representative articles being selected from among two or more articles among the plurality of articles included in a corresponding cluster among the one or more highest ranked cluster.
    Type: Application
    Filed: May 20, 2019
    Publication date: November 21, 2019
    Applicant: NAVER Corporation
    Inventors: BongSeak YOO, Eunjoo Jung, Chang Yul Choi, JungHye Yun, Jungdal Jeon, Daewon Jeon, Jaemin Kim, Soo Hyang Kim, Hyejin Kim, Hyuntak Sung