Patents by Inventor Na Hum LEE

Na Hum LEE 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).

  • Putrescine-producing microorganism and method for producing putrescine using the same
    Patent number: 11124812
    Abstract: The present application relates to a putrescine-producing microorganism in which the activity of formate dehydrogenase is increased, and a method for producing putrescine using the same.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: September 21, 2021
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Na Hum Lee, Jae Hun Lee, Hong Xian Li, Jun Ok Moon, Hye Won Um
  • PUTRESCINE-PRODUCING MICROORGANISM AND METHOD FOR PRODUCING PUTRESCINE USING THE SAME
    Publication number: 20200002737
    Abstract: The present application relates to a putrescine-producing microorganism in which the activity of formate dehydrogenase is increased, and a method for producing putrescine using the same.
    Type: Application
    Filed: January 5, 2017
    Publication date: January 2, 2020
    Applicant: CJ Cheiljedang Corporation
    Inventors: Na Hum LEE, Jae Hun LEE, Hong Xian LI, Jun Ok MOON, Hye Won UM
  • Lysine decarboxylase having improved stability with a pH change, microorganism comprising a polynucleotide encoding the same, and method for producing cadaverine using the same
    Patent number: 10351839
    Abstract: The present invention relates to: a novel lysine decarboxylase; a microorganism transformed with a gene coding for the activity concerned; and a method for producing cadaverine by using the same.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: July 16, 2019
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Jae Hun Lee, Young Lyeol Yang, Bo Seong Park, Yean Hee Park, Jin Seung Park, Byeo Ri An, In Seok Oh, Na Hum Lee
  • NOVEL LYSINE DECARBOXYLASE, AND METHOD FOR PRODUCING CADAVERINE BY USING SAME
    Publication number: 20180030430
    Abstract: The present invention relates to: a novel lysine decarboxylase; a microorganism transformed with a gene coding for the activity concerned; and a method for producing cadaverine by using the same.
    Type: Application
    Filed: January 14, 2016
    Publication date: February 1, 2018
    Inventors: Jae Hun LEE, Young Lyeol YANG, Bo Seong PARK, Yean Hee PARK, Jin Seung PARK, Byeo Ri AN, In Seok OH, Na Hum LEE