Patents by Inventor Chang Gyeom Kim

Chang Gyeom Kim 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).

  • Microorganisms having putrescine productivity and process for producing putrescine using the same
    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
  • MICROORGANISMS HAVING PUTRESCINE PRODUCTIVITY AND PROCESS FOR PRODUCING PUTRESCINE USING THE SAME
    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
  • Microorganisms having putrescine productivity and process for producing putrescine using the same
    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
  • Psicose epimerase mutant and method for preparing psicose by using same
    Patent number: 9938515
    Abstract: The present invention relates to: a D-psicose 3-epimerase mutant from Agrobacterium tumefaciens with improved thermal stability; a recombinant vector comprising a gene encoding the mutant; and a microorganism comprising the mutant. In addition, the present invention relates to a method for producing D-psicose by using the epimerase mutant or the microorganism.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: April 10, 2018
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Young Moon Cho, Chang Gyeom Kim, Baek Seok Lee
  • L-arabinose isomerase variants with improved conversion activity and method for production of D-tagatose using them
    Patent number: 9896705
    Abstract: The present invention relates to the development of an L-arabinose isomerase variant from Thermotoga neapolitana DSM 5068, which is a kind of thermophile, on the basis of protein molecular modeling. Moreover, the present invention relates to a method of producing D-tagatose from D-galactose by using the enzyme or a microorganism of the genus Corynebacterium expressing the enzyme.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: February 20, 2018
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: In Seok Oh, Chang Gyeom Kim, Seung Hyun Cho, Seong Bo Kim, Yang Hee Kim, Kyong Yeon Cho, Sung Jae Yang, Jin Ha Kim
  • L-arabinose Isomerase Variants with Improved Conversion Activity and Method for Production of D-tagatose Using them
    Publication number: 20170137856
    Abstract: The present invention relates to the development of an L-arabinose isomerase variant from Thermotoga neapolitana DSM 5068, which is a kind of thermophile, on the basis of protein molecular modeling. Moreover, the present invention relates to a method of producing D-tagatose from D-galactose by using the enzyme or a microorganism of the genus Corynebacterium expressing the enzyme.
    Type: Application
    Filed: January 24, 2017
    Publication date: May 18, 2017
    Inventors: In Seok OH, Chang Gyeom KIM, Seung Hyun CHO, Seong Bo KIM, Yang Hee KIM, Kyong Yeon CHO, Sung Jae YANG, Jin Ha KIM
  • L-arabinose isomerase variants with improved conversion activity and method for production of D-tagatose using them
    Patent number: 9593321
    Abstract: The present invention relates to the development of an L-arabinose isomerase variant from Thermotoga neapolitana DSM 5068, which is a kind of thermophile, on the basis of protein molecular modeling. Moreover, the present invention relates to a method of producing D-tagatose from D-galactose by using the enzyme or a microorganism of the genus Corynebacterium expressing the enzyme.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: March 14, 2017
    Assignee: CJ Cheiljedang Corporation
    Inventors: In Seok Oh, Chang Gyeom Kim, Seung Hyun Cho, Seong Bo Kim, Yang Hee Kim, Kyong Yeon Cho, Sung Jae Yang, Jin Ha Kim
  • MICROORGANISMS HAVING PUTRESCINE PRODUCTIVITY AND PROCESS FOR PRODUCING PUTRESCINE USING THE SAME
    Publication number: 20170002386
    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: February 25, 2014
    Publication date: January 5, 2017
    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
  • Recombinant microorganism producing quinolinic acid and a method for producing quinolinic acid using the same
    Patent number: 9534240
    Abstract: The present invention relates to a quinolinic acid-producing recombinant microorganism expressing a fusion protein of L-aspartate oxidase and quinolinate synthase linked via a linker, and a method for producing quinolinic acid using the same.
    Type: Grant
    Filed: January 3, 2013
    Date of Patent: January 3, 2017
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Yong Uk Shin, So Young Kim, In Kyung Heo, Ju Eun Kim, Sung Kwang Son, Jae Hee Lee, Ji Hyun Lee, Chang Gyeom Kim
  • L-arabinose Isomerase Variants with Improved Conversion Activity and Method for Production of D-tagatose Using them
    Publication number: 20160333335
    Abstract: The present invention relates to the development of an L-arabinose isomerase variant from Thermotoga neapolitana DSM 5068, which is a kind of thermophile, on the basis of protein molecular modeling. Moreover, the present invention relates to a method of producing D-tagatose from D-galactose by using the enzyme or a microorganism of the genus Corynebacterium expressing the enzyme.
    Type: Application
    Filed: April 25, 2014
    Publication date: November 17, 2016
    Applicant: CJ Cheiljedang Corporation
    Inventors: In Seok OH, Chang Gyeom KIM, Seung Hyun CHO, Seong Bo KIM, Yang Hee KIM, Kyong Yeon CHO, Sung Jae YANG, Jin Ha KIM
  • 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
  • PSICOSE EPIMERASE MUTANT AND METHOD FOR PREPARING PSICOSE BY USING SAME
    Publication number: 20160152967
    Abstract: The present invention relates to: a D-psicose 3-epimerase mutant from Agrobacterium tumefaciens with improved thermal stability; a recombinant vector comprising a gene encoding the mutant; and a microorganism comprising the mutant. In addition, the present invention relates to a method for producing D-psicose by using the epimerase mutant or the microorganism.
    Type: Application
    Filed: April 23, 2014
    Publication date: June 2, 2016
    Inventors: Young Moon CHO, Chang Gyeom KIM, Baek Seok LEE
  • 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
  • RECOMBINANT MICROORGANISM PRODUCING QUINOLINIC ACID AND A METHOD FOR PRODUCING QUINOLINIC ACID USING THE SAME
    Publication number: 20150037850
    Abstract: The present invention relates to a quinolinic acid-producing recombinant microorganism expressing a fusion protein of L-aspartate oxidase and quinolinate synthase linked via a linker, and a method for producing quinolinic acid using the same.
    Type: Application
    Filed: January 3, 2013
    Publication date: February 5, 2015
    Inventors: Yong Uk Shin, So Young Kim, In Kyung Heo, Ju Eun Kim, Sung Kwang Son, Jae Hee Lee, Ji Hyun Lee, Chang Gyeom 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
  • Trehalose synthase protein, gene, plasmids, microorganisms, and a process for producing trehalose
    Patent number: 6800474
    Abstract: The present invention relates to a trehalose-producing microorganism and a process for producing trehalose. It also to a novel trehalose synthase protein, a trehalose synthase gene, recombinant plasmids carrying said trehalose synthase gene, and transformed microorganism with said recombinant plasmids.
    Type: Grant
    Filed: September 24, 2001
    Date of Patent: October 5, 2004
    Assignee: Cheil Jedang Corporation
    Inventors: Se Yong Lee, Eun Kyung Song, Yearn Hung Park, Sang Ho Kwon, Kwang Ho Lee, Chang Gyeom Kim, Jin Ho Lee, Sung Oh Chung, Yeong Joong Jeon