Patents by Inventor Jeong-Yoon Choi

Jeong-Yoon 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).

  • Publication number: 20240138565
    Abstract: A shoe management apparatus including a cabinet including an inner space for storing shoes, an exhaust port disposed at a rear surface of the inner space and discharging air into the inner space, and a front discharge port disposed at an upper surface of the cabinet and discharging air from the inner space to outside of the shoe management apparatus.
    Type: Application
    Filed: January 5, 2024
    Publication date: May 2, 2024
    Applicant: LG ELECTRONICS INC.
    Inventors: Hyunsun YOO, Jeong Guen CHOI, Joohyeon OH, Jae Myung LIM, Byoungjoon HAN, Sang Yoon LEE, Hyunju KIM, Jeaseok SEONG
  • Patent number: 11918112
    Abstract: A shoe management apparatus capable of managing various types of shoes and including a cabinet defining an inner space for storing shoes; and a partition dividing the inner space into an upper first compartment and a lower second compartment, formed therein with a fluid path along which air is discharged into the inner space, and variable in length with respect to a front-to-rear direction of the shoe management apparatus.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: March 5, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyunsun Yoo, Jeong Guen Choi, Joohyeon Oh, Jae Myung Lim, Byoungjoon Han, Sang Yoon Lee, Hyunju Kim, Jeaseok Seong
  • Patent number: 11168317
    Abstract: A gene expression cassette capable of producing psicose at high yield with high stability, a GRAS (Generally recognized as safe) microorganism, a method of producing the enzyme by using the GRAS microorganism, and a method of producing the psicose by using the GRAS microorganism and enzyme are provided.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: November 9, 2021
    Assignee: SAMYANG CORPORATION
    Inventors: Jin Sol Heo, Hye Jung Kim, Min Jeong Kim, Jeong Yoon Choi, Chong Jin Park, Kang Pyo Lee
  • Patent number: 11111485
    Abstract: A gene expression cassette capable of producing psicose at high yield with high stability, a GRAS (Generally recognized as safe) microorganism, a method of producing the enzyme by using the GRAS microorganism, and a method of producing the psicose by using the GRAS microorganism and enzyme are provided.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: September 7, 2021
    Assignee: SAMYANG CORPORATION
    Inventors: Jin Sol Heo, Hye Jung Kim, Min Jeong Kim, Jeong Yoon Choi, Chong Jin Park, Kang Pyo Lee
  • Publication number: 20190169591
    Abstract: A gene expression cassette capable of producing psicose at high yield with high stability, a GRAS (Generally recognized as safe) microorganism, a method of producing the enzyme by using the GRAS microorganism, and a method of producing the psicose by using the GRAS microorganism and enzyme are provided.
    Type: Application
    Filed: February 13, 2019
    Publication date: June 6, 2019
    Inventors: Jin Sol Heo, Hye Jung Kim, Min Jeong Kim, Jeong Yoon Choi, Chong Jin Park, Kang Pyo Lee
  • Publication number: 20190169592
    Abstract: A gene expression cassette capable of producing psicose at high yield with high stability, a GRAS (Generally recognized as safe) microorganism, a method of producing the enzyme by using the GRAS microorganism, and a method of producing the psicose by using the GRAS microorganism and enzyme are provided.
    Type: Application
    Filed: February 13, 2019
    Publication date: June 6, 2019
    Inventors: Jin Sol HEO, Hye Jung Kim, Min Jeong Kim, Jeong Yoon Choi, Chong Jin Park, Kang Pyo Lee
  • Patent number: 10240140
    Abstract: A gene expression cassette capable of producing psicose at high yield with high stability, a GRAS (Generally recognized as safe) microorganism, a method of producing the enzyme by using the GRAS microorganism, and a method of producing the psicose by using the GRAS microorganism and enzyme are provided.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: March 26, 2019
    Assignee: SAMYANG CORPORATION
    Inventors: Jin Sol Heo, Hye Jung Kim, Min Jeong Kim, Jeong Yoon Choi, Chong Jin Park, Kang Pyo Lee
  • Publication number: 20160138005
    Abstract: A gene expression cassette capable of producing psicose at high yield with high stability, a GRAS (Generally recognized as safe) microorganism, a method of producing the enzyme by using the GRAS microorganism, and a method of producing the psicose by using the GRAS microorganism and enzyme are provided.
    Type: Application
    Filed: October 30, 2015
    Publication date: May 19, 2016
    Inventors: Jin Sol HEO, Hye Jung Kim, Min Jeong Kim, Jeong Yoon Choi, Chong Jin Park, Kang Pyo Lee
  • Patent number: 5297827
    Abstract: This invention relates to a device for coupling lengths of metal pipe, too hard or to thin for cutting a screw, by inserting a screwed socket in one end of the pipe to be joined with another, expanding that part of the pipe, and joining it airtight with another coupling.A metal pipe coupling of the present invention has a screw section and a tightening section, and is shaped so as to be suitable to the way of coupling metal pipes by insertion of one end of a metal pipe in the coupling, expanding the fastening section of the metal pipe so that the joining of the outside circumference of the pipe and the inside circumference of the coupling should be airtight, and thereafter by joining with another joining material.
    Type: Grant
    Filed: January 22, 1993
    Date of Patent: March 29, 1994
    Inventor: Jeong-Yoon Choi