Patents by Inventor Hee-Kyoung Jung

Hee-Kyoung Jung 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).

  • Patent number: 11365400
    Abstract: Disclosed is a modified microorganism producing putrescine or ornithine, and a method for producing putrescine or ornithine using the same.
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: June 21, 2022
    Assignee: CJ Cheiljedang Corporation
    Inventors: Su Jin Park, Young Lyeol Yang, Hye Won Um, Hong Xian Li, Kyoung Min Lee, Baek Seok Lee, Hyo Hyoung Lee, Hee Kyoung Jung
  • Patent number: 11268074
    Abstract: Disclosed is a modified microorganism producing putrescine or ornithine, and a method for producing putrescine or ornithine using the same.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: March 8, 2022
    Assignee: CJ Cheiljedang Corporation
    Inventors: Su Jin Park, Young Lyeol Yang, Hye Won Um, Hong Xian Li, Kyoung Min Lee, Baek Seok Lee, Hyo Hyoung Lee, Hee Kyoung Jung
  • Patent number: 11053524
    Abstract: The present invention relates to a recombinant microorganism capable of producing putrescine, in which the microorganism is modified to have enhanced NCgl2522 activity, thereby producing putrescine in a high yield, and a method for producing putrescine using the microorganism.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: July 6, 2021
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Kyoung Min Lee, Hee Kyoung Jung, Young Lyeol Yang, Hye Won Um, Chang Gyeom Kim, Hong Xian Li, Su Jin Park, Jong Hyun Yoon, Baek Seok Lee, Sun Young Lee
  • Patent number: 11053525
    Abstract: The present invention relates to a recombinant microorganism for producing putrescine or ornithine, and a method for producing putrescine or ornithine using the same. Specifically, the present invention relates to a microorganism of the genus Corynebacterium capable of producing putrescine or ornithine, in which an activity of the transcriptional regulator of sugar metabolism (SugR) is weakened, an activity of the citrate synthase (GltA) is enhanced, or both are applied; and a method for producing putrescine or ornithine using the same.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: July 6, 2021
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Hee Kyoung Jung, Hye Won Um, Hong Xian Li, Su Jin Park, Young Lyeol Yang, Kyoung Min Lee, Hyo Hyoung Lee
  • Publication number: 20210054347
    Abstract: Disclosed is a modified microorganism producing putrescine or ornithine, and a method for producing putrescine or ornithine using the same.
    Type: Application
    Filed: October 19, 2020
    Publication date: February 25, 2021
    Inventors: Su Jin PARK, Young Lyeol YANG, Hye Won UM, Hong Xian LI, Kyoung Min LEE, Baek Seok LEE, Hyo Hyoung LEE, Hee Kyoung JUNG
  • Patent number: 10815464
    Abstract: Disclosed is a modified microorganism producing putrescine or ornithine, and a method for producing putrescine or ornithine using the same.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: October 27, 2020
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Su Jin Park, Young Lyeol Yang, Hye Won Um, Hong Xian Li, Kyoung Min Lee, Baek Seok Lee, Hyo Hyoung Lee, Hee Kyoung Jung
  • Publication number: 20200190486
    Abstract: Disclosed is a modified microorganism producing putrescine or ornithine, and a method for producing putrescine or ornithine using the same.
    Type: Application
    Filed: February 28, 2020
    Publication date: June 18, 2020
    Inventors: Su Jin PARK, Young Lyeol YANG, Hye Won UM, Hong Xian LI, Kyoung Min LEE, Baek Seok LEE, Hyo Hyoung LEE, Hee Kyoung JUNG
  • Patent number: 10640798
    Abstract: The present invention relates to a microorganism for producing diamine, in which activity of a protein having an amino acid sequence of SEQ ID NO: 6 or an amino acid sequence having 42% or higher sequence homology with SEQ ID NO: 6 is introduced or enhanced, and a method of producing diamine using the same.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: May 5, 2020
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Kyoung Min Lee, Su Jin Park, Hee Kyoung Jung, Young Lyeol Yang, Hong Xian Li, Hye Won Um
  • Patent number: 10640797
    Abstract: The present invention relates to a microorganism for producing diamine, in which activity of a protein having an amino acid sequence of SEQ ID NO: 6 or an amine acid sequence having 42% or higher sequence homology with SEQ ID NO: 6 is introduced or enhanced, and a method of producing diamine using the same.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: May 5, 2020
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Kyoung Min Lee, Su Jin Park, Hee Kyoung Jung, Young Lyeol Yang, Hong Xian Li, Hye Won Um
  • Patent number: 10640753
    Abstract: Disclosed is a modified microorganism producing putrescine or ornithine, and a method for producing putrescine or ornithine using the same.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: May 5, 2020
    Assignee: CJ Cheiljedang Corporation
    Inventors: Su Jin Park, Young Lyeol Yang, Hye Won Um, Hong Xian Li, Kyoung Min Lee, Baek Seok Lee, Hyo Hyoung Lee, Hee Kyoung Jung
  • Patent number: 10633679
    Abstract: The present invention relates to a microorganism for producing diamine, in which activity of a protein having an amino acid sequence of SEQ ID NO: 6 or an amino acid sequence having 55% or higher sequence homology with SEQ ID NO: 6 is introduced or enhanced, and a method of producing diamine using the same.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: April 28, 2020
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Kyoung Min Lee, Su Jin Park, Hee Kyoung Jung, Young Lyeol Yang, Hong Xian Li, Hye Won Um
  • Patent number: 10626425
    Abstract: The present invention relates to a microorganism for producing diamine, in which activity of a protein having an amino acid sequence of SEQ ID NO: 6 or an amino acid sequence having 55% or higher sequence homology with SEQ ID NO: 6 is introduced or enhanced, and a method of producing diamine using the same.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: April 21, 2020
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Kyoung Min Lee, Su Jin Park, Hee Kyoung Jung, Young Lyeol Yang, Hong Xian Li, Hye Won Um
  • Publication number: 20200002686
    Abstract: Disclosed is a modified microorganism producing putrescine or ornithine, and a method for producing putrescine or ornithine using the same.
    Type: Application
    Filed: July 10, 2019
    Publication date: January 2, 2020
    Inventors: Su Jin PARK, Young Lyeol YANG, Hye Won UM, Hong Xian LI, Kyoung Min LEE, Baek Seok LEE, Hyo Hyoung LEE, Hee Kyoung JUNG
  • Patent number: 10415068
    Abstract: Provided are a novel modified ornithine decarboxylase protein having improved putrescine productivity and a use thereof.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: September 17, 2019
    Assignees: Korea Advanced Institute of Science and Technology, CJ Cheiljedang Corporation
    Inventors: Hyang Choi, Hee Kyoung Jung, Hak Sung Kim, Hyun Ho Kyeong, Jung Min Choi, Joong Jae Lee, Hyo Deok Seo
  • Publication number: 20190136274
    Abstract: The present invention relates to a recombinant microorganism capable of producing putrescine, in which the microorganism is modified to have enhanced NCgl2522 activity, thereby producing putrescine in a high yield, and a method for producing putrescine using the microorganism.
    Type: Application
    Filed: January 11, 2019
    Publication date: May 9, 2019
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Kyoung Min LEE, Hee Kyoung JUNG, Young Lyeol YANG, Hye Won UM, Chang Gyeom KIM, Hong Xian LI, Su Jin PARK, Jong Hyun YOON, Baek Seok LEE, Sun Young LEE
  • Publication number: 20190119709
    Abstract: The present invention relates to a microorganism for producing diamine, in which activity of a protein having an amino acid sequence of SEQ ID NO: 6 or an amino acid sequence having 55% or higher sequence homology with SEQ ID NO: 6 is introduced or enhanced, and a method of producing diamine using the same.
    Type: Application
    Filed: January 4, 2019
    Publication date: April 25, 2019
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Kyoung Min Lee, Su Jin Park, Hee Kyoung Jung, Young Lyeol Yang, Hong Xian Li, Hye Won Um
  • Patent number: 10221433
    Abstract: The present invention relates to a recombinant microorganism capable of producing putrescine, in which the microorganism is modified to have enhanced NCgl2522 activity, thereby producing putrescine in a high yield, and a method for producing putrescine using the microorganism.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: March 5, 2019
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Kyoung Min Lee, Hee Kyoung Jung, Young Lyeol Yang, Hye Won Um, Chang Gyeom Kim, Hong Xian Li, Su Jin Park, Jong Hyun Yoon, Baek Seok Lee, Sun Young Lee
  • Publication number: 20190055587
    Abstract: Provided are a novel modified ornithine decarboxylase protein having improved putrescine productivity and a use thereof.
    Type: Application
    Filed: November 2, 2018
    Publication date: February 21, 2019
    Applicants: CJ CHEILJEDANG CORPORATION, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyang CHOI, Hee Kyoung JUNG, Hak Sung KIM, Hyun Ho KYEONG, Jung Min CHOI, Joong Jae LEE, Hyo Deok SEO
  • Patent number: 10160981
    Abstract: Provided are a novel modified ornithine decarboxylase protein having improved putrescine productivity and a use thereof.
    Type: Grant
    Filed: July 17, 2014
    Date of Patent: December 25, 2018
    Assignees: CJ Cheiljedang Corporation, Korea Advanced Institute of Science and Technology
    Inventors: Hyang Choi, Hee Kyoung Jung, Hak Sung Kim, Hyun Ho Kyeong, Jung Min Choi, Joong Jae Lee, Hyo Deok Seo
  • Publication number: 20180273992
    Abstract: The present invention relates to a microorganism for producing diamine, in which activity of a protein having an amino acid sequence of SEQ ID NO: 6 or an amino acid sequence having 42% or higher sequence homology with SEQ ID NO: 6 is introduced or enhanced, and a method of producing diamine using the same.
    Type: Application
    Filed: June 5, 2018
    Publication date: September 27, 2018
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Kyoung Min LEE, Su Jin PARK, Hee Kyoung JUNG, Young Lyeol YANG, Hong Xian LI, Hye Won UM