Patents by Inventor Lan Huh

Lan Huh 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).

  • NOVEL GLUTAMINE-HYDROLYZING GMP SYNTHASE VARIANT AND METHOD FOR PRODUCING PURINE NUCLEOTIDE BY USING SAME
    Publication number: 20240209342
    Abstract: The present application relates to a glutamine-hydrolyzing GMP synthase variant and a method for producing a purine nucleotide by using the same.
    Type: Application
    Filed: December 17, 2021
    Publication date: June 27, 2024
    Inventors: Nara KWON, Ji Hyun LEE, Hyun-jung BAE, Dae Young KIM, Eun Ji KIM, Lan HUH, Hyeryun YOO, Bina KIM, Sung Kwang SON
  • Nucleic acid encoding a modified homoserine dehydrogenase
    Patent number: 11555213
    Abstract: The present disclosure relates to modified homoserine dehydrogenase and a method for producing a homoserine-derived L-amino acid using the same.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: January 17, 2023
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Hyo Jin Kim, Lan Huh, Sang Jo Lim, Hyun Ah Kim, Hyoung Joon Kim, Chang il Seo, Seung Bin Lee, Ji Sun Lee
  • MICROORGANISM PRODUCING L-AMINO ACID AND METHOD OF PRODUCING L-AMINO ACID USING THE SAME
    Publication number: 20220228179
    Abstract: Provided are a microorganism producing an L-amino acid or a precursor thereof, and a method of producing an L-amino acid or a precursor thereof using the microorganism.
    Type: Application
    Filed: April 29, 2020
    Publication date: July 21, 2022
    Inventors: Hye Ryun YOO, So-Yeon KIM, Hye Min PARK, Sung Gun LEE, Jin Nam LEE, Hyun Ah KIM, Sol CHOI, Lan HUH
  • MICROORGANISM WITH ENHANCED L-HISTIDINE PRODUCTION CAPACITY AND METHOD FOR PRODUCING HISTIDINE BY USING SAME
    Publication number: 20220205003
    Abstract: Provided are a microorganism having an enhanced L-histidine producing ability and a method of producing histidine using the same.
    Type: Application
    Filed: March 10, 2020
    Publication date: June 30, 2022
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Lan Huh, Nara Kwon, Chang Il Seo
  • Modified homoserine dehydrogenase and method for producing homoserine or L-amino acid derived from homoserine using the same
    Patent number: 11236374
    Abstract: The present disclosure relates to modified homoserine dehydrogenase and a method for producing a homoserine-derived L-amino acid using the same.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: February 1, 2022
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Hyo Jin Kim, Lan Huh, Sang Jo Lim, Hyun Ah Kim, Hyoung Joon Kim, Chang il Seo, Seung Bin Lee, Ji Sun Lee
  • MODIFIED HOMOSERINE DEHYDROGENASE AND METHOD FOR PRODUCING HOMOSERINE OR L-AMINO ACID DERIVED FROM HOMOSERINE USING THE SAME
    Publication number: 20210403962
    Abstract: The present disclosure relates to modified homoserine dehydrogenase and a method for producing a homoserine-derived L-amino acid using the same.
    Type: Application
    Filed: September 10, 2021
    Publication date: December 30, 2021
    Inventors: Hyo Jin KIM, Lan HUH, Sang Jo LIM, Hyun Ah KIM, Hyoung Joon KIM, Chang il SEO, Seung Bin LEE, Ji Sun LEE
  • Modified homoserine dehydrogenase and method for producing homoserine or L-amino acid derived from homoserine using the same
    Patent number: 10982244
    Abstract: The present disclosure relates to modified homoserine dehydrogenase and a method for producing homoserine or a homoserine-derived L-amino acid using the same.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: April 20, 2021
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Su Yon Kwon, Kwang Woo Lee, Lan Huh, Kyungrim Kim, Mina Baek, Seung-ju Son, Jaemin Lee
  • MODIFIED HOMOSERINE DEHYDROGENASE AND METHOD FOR PRODUCING HOMOSERINE OR L-AMINO ACID DERIVED FROM HOMOSERINE USING THE SAME
    Publication number: 20210002682
    Abstract: The present disclosure relates to modified homoserine dehydrogenase and a method for producing a homoserine-derived L-amino acid using the same.
    Type: Application
    Filed: May 21, 2019
    Publication date: January 7, 2021
    Inventors: Hyo Jin KIM, Lan HUH, Sang Jo LIM, Hyun Ah KIM, Hyoung Joon KIM, Chang il SEO, Seung Bin LEE, Ji Sun LEE
  • MODIFIED HOMOSERINE DEHYDROGENASE AND METHOD FOR PRODUCING HOMOSERINE OR L-AMINO ACID DERIVED FROM HOMOSERINE USING THE SAME
    Publication number: 20200340022
    Abstract: The present disclosure relates to modified homoserine dehydrogenase and a method for producing homoserine or a homoserine-derived L-amino acid using the same.
    Type: Application
    Filed: April 10, 2019
    Publication date: October 29, 2020
    Inventors: Su Yon KWON, Kwang Woo LEE, Lan HUH, Kyungrim KIM, Mina BAEK, Seung-ju SON, Jaemin LEE
  • Microorganism with enhanced L-lysine producibility and method for producing L-lysine using the same
    Patent number: 10676512
    Abstract: The present disclosure relates to a novel modified RNA polymerase sigma factor A (SigA) polypeptide; a polynucleotide encoding the same; a microorganism containing the polypeptide; and a method for producing L-lysine using the microorganism.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: June 9, 2020
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Lan Huh, Kwang Ho Lee, Hyung Joon Kim, Jun Ok Moon, Song-Gi Ryu
  • Pyruvate dehydrogenase variants, a microorganism comprising the same and a method for producing L-amino acid using the same
    Patent number: 10526586
    Abstract: The present disclosure relates to a novel pyruvate dehydrogenase variant, a polynucleotide encoding the pyruvate dehydrogenase variant, a microorganism of the genus Corynebacterium producing L-amino acid, which includes the pyruvate dehydrogenase variant, and a method for producing an L-amino acid using the microorganism.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: January 7, 2020
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Lan Huh, Jun Ok Moon, Hyun Won Bae, Hyung Joon Kim, Sung Ki Song
  • PYRUVATE DEHYDROGENASE VARIANTS, A MICROORGANISM COMPRISING THE SAME AND A METHOD FOR PRODUCING L-AMINO ACID USING THE SAME
    Publication number: 20190292526
    Abstract: The present disclosure relates to a novel pyruvate dehydrogenase variant, a polynucleotide encoding the pyruvate dehydrogenase variant, a microorganism of the genus Corynebacterium producing L-amino acid, which includes the pyruvate dehydrogenase variant, and a method for producing an L-amino acid using the microorganism.
    Type: Application
    Filed: May 30, 2019
    Publication date: September 26, 2019
    Inventors: Lan Huh, Jun Ok Moon, Hyun Won Bae, Hyung Joon Kim, Sung Ki Song
  • PYRUVATE DEHYDROGENASE VARIANTS, A MICROORGANISM COMPRISING THE SAME AND A METHOD FOR PRODUCING L-AMINO ACID USING THE SAME
    Publication number: 20180057798
    Abstract: The present disclosure relates to a novel pyruvate dehydrogenase variant, a polynucleotide encoding the pyruvate dehydrogenase variant, a microorganism of the genus Corynebacterium producing L-amino acid, which includes the pyruvate dehydrogenase variant, and a method for producing an L-amino acid using the microorganism.
    Type: Application
    Filed: March 15, 2016
    Publication date: March 1, 2018
    Inventors: Lan HUH, Jun Ok MOON, Hyun Won BAE, Hyung Joon KIM, Sung Ki SONG
  • MICROORGANISM WITH ENHANCED L-LYSINE PRODUCIBILITY AND METHOD FOR PRODUCING L-LYSINE USING THE SAME
    Publication number: 20180037615
    Abstract: The present disclosure relates to a novel modified RNA polymerase sigma factor A (SigA) polypeptide; a polynucleotide encoding the same; a microorganism containing the polypeptide; and a method for producing L-lysine using the microorganism.
    Type: Application
    Filed: September 4, 2015
    Publication date: February 8, 2018
    Inventors: Lan Huh, Kwang Ho Lee, Hyung Joon Kim, Jun Ok Moon, Song-Gi Ryu
  • microorganism with improved ability to produce L-lysine and method for producing L-lysine using the same
    Patent number: 9777282
    Abstract: A microorganism of the genus Corynebacterium with an improved ability to produce L-lysine in which a septum formation initiator protein is inactivated and a method for producing L-lysine using the microorganism.
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: October 3, 2017
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Jun Ok Moon, Sang Hee Park, Lan Huh, Kwang Ho Lee
  • CORYNEBACTERIUM MICROORGANISM WITH IMPROVED ABILITY TO PRODUCE L-LYSINE AND METHOD FOR PRODUCING L-LYSINE USING THE SAME
    Publication number: 20160355830
    Abstract: A microorganism of the genus Corynebacterium with an improved ability to produce L-lysine in which a septum formation initiator protein is inactivated and a method for producing L-lysine using the microorganism.
    Type: Application
    Filed: December 8, 2014
    Publication date: December 8, 2016
    Inventors: Jun Ok MOON, Sang Hee PARK, Lan HUH, Kwang Ho LEE
  • Microorganisms of which can utilize xylose and method for producing L-lysine using same
    Patent number: 9399784
    Abstract: The present invention relates to microorganisms of corynebacterium which can utilize xylose and to a method for producing L-lysine using same. More particularly, the present invention relates to microorganisms of corynebacterium which are modified, in which genes encoding xylose isomerase and xylulokinase which are xylose synthases are introduced to express the xylose synthase. The present invention also relates to a method for producing L-lysine, comprising a step of culturing the modified microorganisms of corynebacterium using xylose as a carbon source, and recovering L-lysine from the culture.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: July 26, 2016
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: So Yeon Rah, Lan Huh, Chang Gyeom Kim, Kwang Ho Lee, Jun Ok Moon, Kyung Han Lee, Jin Seok Sung, Hyung Joon Kim
  • MICROORGANISMS OF CORYNEBACTERIUM WHICH CAN UTILIZE XYLOSE AND METHOD FOR PRODUCING L-LYSINE USING SAME
    Publication number: 20160040200
    Abstract: The present invention relates to microorganisms of corynebacterium which can utilize xylose and to a method for producing L-lysine using same. More particularly, the present invention relates to microorganisms of corynebacterium which are modified, in which genes encoding xylose isomerase and xylulokinase which are xylose synthases are introduced to express the xylose synthase. The present invention also relates to a method for producing L-lysine, comprising a step of culturing the modified microorganisms of corynebacterium using xylose as a carbon source, and recovering L-lysine from the culture.
    Type: Application
    Filed: October 27, 2015
    Publication date: February 11, 2016
    Inventors: So Yeon Rah, Lan Huh, Chang Gyeom Kim, Kwang Ho Lee, Jun Ok Moon, Kyung Han Lee, Jin Seok Sung, Hyung Joon Kim
  • Microorganisms of which can utilize xylose and method for producing L-lysine using same
    Patent number: 9200300
    Abstract: The present invention relates to microorganisms of corynebacterium which can utilize xylose and to a method for producing L-lysine using same. More particularly, the present invention relates to microorganisms of corynebacterium which are modified, in which genes encoding xylose isomerase and xylulokinase which are xylose synthases are introduced to express the xylose synthase. The present invention also relates to a method for producing L-lysine, comprising a step of culturing the modified microorganisms of corynebacterium using xylose as a carbon source, and recovering L-lysine from the culture.
    Type: Grant
    Filed: January 10, 2013
    Date of Patent: December 1, 2015
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: So Yeon Rah, Lan Huh, Chang Gyeom Kim, Kwang Ho Lee, Jun Ok Moon, Kyung Han Lee, Jin Seok Sung, Hyung Joon Kim
  • MICROORGANISMS OF CORYNEBACTERIUM WHICH CAN UTILIZE XYLOSE AND METHOD FOR PRODUCING L-LYSINE USING SAME
    Publication number: 20140377816
    Abstract: The present invention relates to microorganisms of corynebacterium which can utilize xylose and to a method for producing L-lysine using same. More particularly, the present invention relates to microorganisms of corynebacterium which are modified, in which genes encoding xylose isomerase and xylulokinase which are xylose synthases are introduced to express the xylose synthase. The present invention also relates to a method for producing L-lysine, comprising a step of culturing the modified microorganisms of corynebacterium using xylose as a carbon source, and recovering L-lysine from the culture.
    Type: Application
    Filed: January 10, 2013
    Publication date: December 25, 2014
    Inventors: So Yeon Rah, Lan Huh, Chang Gyeom Kim, Kwang Ho Lee, Jun Ok Moon, Kyung Han Lee, Jin Seok Sung, Hyung Joon Kim