Patents by Inventor Byeong Gyeong Choi

Byeong Gyeong 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).

  • Method for modifying surface of polymer substrate and polymer substrate having surface modified thereby
    Patent number: 11697131
    Abstract: The present invention relates to a method for modifying the surface of a polymer substrate. Specifically, the present invention provides a method for modifying the surface of a polymer substrate using a plasma treatment, a hydrophilic primer and a coating agent including a hydrophobic fluorine compound.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: July 11, 2023
    Inventors: Jong Wook Hong, Soo Jeong Shin, Hyun Joong Kim, Hong Chul Kim, Jeong Rae Kim, Byeong Gyeong Choi, Cheol Min Kim
  • METHOD FOR MODIFYING SURFACE OF POLYMER SUBSTRATE AND POLYMER SUBSTRATE HAVING SURFACE MODIFIED THEREBY
    Publication number: 20200147567
    Abstract: The present invention relates to a method for modifying the surface of a polymer substrate. Specifically, the present invention provides a method for modifying the surface of a polymer substrate using a plasma treatment, a hydrophilic primer and a coating agent including a hydrophobic fluorine compound.
    Type: Application
    Filed: March 3, 2017
    Publication date: May 14, 2020
    Applicants: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS, CEKO CO., LTD.
    Inventors: Jong Wook HONG, Soo Jeong SHIN, Hyun Joong KIM, Hong Chul KIM, Jeong Rae KIM, Byeong Gyeong CHOI, Cheol Min KIM
  • Carrier jig
    Patent number: D793844
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: August 8, 2017
    Assignee: Ceko Co., Ltd.
    Inventors: Hyun Joong Kim, Hong Chul Kim, Jeong Rae Kim, Young Jun Hwang, Byeong Gyeong Choi, Chul Hoon Kim
  • Carrier jig
    Patent number: D793845
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: August 8, 2017
    Assignee: Ceko Co., Ltd.
    Inventors: Hyun Joong Kim, Hong Chul Kim, Jeong Rae Kim, Young Jun Hwang, Byeong Gyeong Choi, Chul Hoon Kim