Patents by Inventor Hyun Kug CHO

Hyun Kug CHO 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).

  • Hexuronate C4-epimerase variant having improved d-tagatose conversion activity, and d-tagatose production method using same
    Patent number: 10801020
    Abstract: Provided are a hexuronate C4-epimerase variant with improved activity in converting D-fructose by D-tagatose of hexuronate C4-epimerase and a method for production of D-tagatose using them.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: October 13, 2020
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Sung Jae Yang, Young Mi Lee, Il Hyang Park, Chan-Hyoung Lee, Hyun Kug Cho, Seong Bo Kim, Yang Hee Kim, Seung Won Park
  • Method for enzymatically preparing highly concentrated myo-inositol
    Patent number: 10752888
    Abstract: The present disclosure relates to a method for preparing myo-inositol using myo-inositol monophosphate synthase consisting of an amino acid sequence of SEQ ID NO: 1 and/or myo-inositol monophosphate phosphatase consisting of an amino acid sequence of SEQ ID NO: 3.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: August 25, 2020
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Sungjae Yang, Hyun Kug Cho, Young Mi Lee, Seong Bo Kim, Seong Jun Cho
  • A FRUCTOSE-C4-EPIMERASE AND PREPARATION METHOD FOR PRODUCING TAGATOSE USING THE SAME
    Publication number: 20200263217
    Abstract: The present disclosure relates to a composition for producing tagatose comprising a protein having fructose-4-epimerase activity and a method for producing tagatose using the same.
    Type: Application
    Filed: August 31, 2018
    Publication date: August 20, 2020
    Inventors: Young Mi LEE, II Hyang PARK, Sun Mi SHIN, Sungjae YANG, Hyun Kug CHO, Seong Bo KIM, Eun Jung CHOI
  • COMPOSITION FOR PRODUCING TAGATOSE AND METHOD OF PRODUCING TAGATOSE USING THE SAME
    Publication number: 20200087689
    Abstract: Provided are a composition for producing tagatose, comprising fructose-4-epimerase, and a method of producing tagatose using the same.
    Type: Application
    Filed: September 25, 2019
    Publication date: March 19, 2020
    Inventors: Sungjae YANG, Young Mi LEE, Il Hyang PARK, Hyun Kug CHO, Seong Bo KIM, Chan Hyoung LEE, Eun Jung CHOI
  • Hexuronate C4-epimerase variant having improved D-tagatose conversion activity, and D-tagatose production method using same
    Patent number: 10544439
    Abstract: Provided are a hexuronate C4-epimerase variant with improved activity in converting D-fructose by D-tagatose of hexuronate C4-epimerase and a method for production of D-tagatose using them.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: January 28, 2020
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Sung Jae Yang, Young Mi Lee, Il Hyang Park, Chan-Hyoung Lee, Hyun Kug Cho, Seong Bo Kim, Yang Hee Kim, Seung Won Park
  • Composition for preparing tagatose and method for preparing tagatose from fructose
    Patent number: 10544438
    Abstract: The present invention relates to a composition for preparing tagatose, wherein the composition is used for preparing tagatose from fructose and contains a protein including any one amino acid sequence of SEQ ID NOS: 1 to 7 or a microorganism expressing the protein. In addition, the present invention relates to a method for preparing tagatose from fructose, the method comprising a step of allowing the composition to react with fructose.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: January 28, 2020
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Yang Hee Kim, Sung Jae Yang, Young Mi Lee, Il Hyang Park, Seong Bo Kim, Hyun Kug Cho, Seung Won Park
  • Hexuronate C4-epimerase mutant with improved conversion activity, and method for producing D-tagatose by using same
    Patent number: 10544409
    Abstract: A hexuronate C4-epimerase with improved conversion activity and a method for producing D-tagatose using the hexuronate C4-epimerase. The hexuronate C4-epimerase includes an amino acid sequence set forth in SEQ ID NO: 1, in which serine (S) at position 125, serine (S) at position 185, valine (V) at position 267, serine (S) at position 268, threonine (T) at position 272, tryptophan (W) at position 306, arginine (R) at position 386 and tyrosine (Y) at position 403 from an N-terminal of hexunorate C4-epimerase are mutated.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: January 28, 2020
    Assignee: CJ Cheiljedang Corporation
    Inventors: Sung Jae Yang, Yang Hee Kim, Il Hyang Park, Young Mi Lee, Hyun Kug Cho, Seong Bo Kim, Seung Won Park
  • COMPOSITION FOR PRODUCING TAGATOSE AND METHOD OF PRODUCING TAGATOSE USING THE SAME
    Publication number: 20200024627
    Abstract: Provided are a composition for producing tagatose, comprising fructose-4-epimerase, and a method of producing tagatose using the same.
    Type: Application
    Filed: March 30, 2018
    Publication date: January 23, 2020
    Inventors: Sungjae YANG, Young Mi LEE, II Hyang PARK, Hyun Kug CHO, Seong Bo KIM, Chan Hyoung LEE, Eun Jung CHOI
  • HEXURONATE C4-EPIMERASE VARIANT HAVING IMPROVED D-TAGATOSE CONVERSION ACTIVITY, AND D-TAGATOSE PRODUCTION METHOD USING SAME
    Publication number: 20190390188
    Abstract: Provided are a hexuronate C4-epimerase variant with improved activity in converting D-fructose by D-tagatose of hexuronate C4-epimerase and a method for production of D-tagatose using them.
    Type: Application
    Filed: July 31, 2017
    Publication date: December 26, 2019
    Inventors: Sung Jae YANG, Young Mi LEE, Il Hyang PARK, Chan-Hyoung LEE, Hyun Kug CHO, Seong Bo KIM, Yang Hee KIM, Seung Won PARK
  • HEXURONATE C4-EPIMERASE VARIANT HAVING IMPROVED D-TAGATOSE CONVERSION ACTIVITY, AND D-TAGATOSE PRODUCTION METHOD USING SAME
    Publication number: 20190338329
    Abstract: Provided are a hexuronate C4-epimerase variant with improved activity in converting D-fructose by D-tagatose of hexuronate C4-epimerase and a method for production of D-tagatose using them.
    Type: Application
    Filed: July 31, 2017
    Publication date: November 7, 2019
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Sung Jae YANG, Young Mi LEE, Il Hyang PARK, Chan-Hyoung LEE, Hyun Kug CHO, Seong Bo KIM, Yang Hee KIM, Seung Won PARK
  • METHOD FOR ENZYMATICALLY PREPARING HIGHLY CONCENTRATED MYO-INOSITOL
    Publication number: 20190322991
    Abstract: The present disclosure relates to a method for preparing myo-inositol using myo-inositol monophosphate synthase consisting of an amino acid sequence of SEQ ID NO: 1 and/or myo-inositol monophosphate phosphatase consisting of an amino acid sequence of SEQ ID NO: 3.
    Type: Application
    Filed: June 30, 2017
    Publication date: October 24, 2019
    Inventors: Sungjae Yang, Hyun Kug Cho, Young Mi Lee, Seong Bo Kim, Seong Jun Cho
  • A NOVEL THERMOSTABLE FRUCTOSE-6-PHOSPHATE-3-EPIMERASE AND A METHOD FOR PRODUCING ALLULOSE USING THE SAME
    Publication number: 20190225997
    Abstract: The present disclosure relates to fructose-6-phosphate-3-epimerase consisting of an amino acid sequence of SEQ ID NO: 1, a nucleic acid encoding the fructose-6-phosphate-3-epimerase, and a transformant comprising the nucleic acid. Additionally, the present disclosure relates to a composition for producing allulose, which comprises the fructose-6-phosphate-3-epimerase of the present disclosure, and a method for producing allulose using the fructose-6-phosphate-3-epimerase of the present disclosure.
    Type: Application
    Filed: June 30, 2017
    Publication date: July 25, 2019
    Inventors: Sungjae YANG, Hyun Kug CHO, Young Mi LEE, Seong Bo KIM, Seong Jun CHO
  • NOVEL THERMOSTABLE TAGATOSE-6-PHOSPHATE PHOSPHATASE AND A METHOD FOR PRODUCING TAGATOSE USING THE SAME
    Publication number: 20190203189
    Abstract: The present disclosure relates to tagatose-6-phosphate phosphatase consisting of an amino acid sequence of SEQ ID NO: 1, a nucleic acid encoding the tagatose-6-phosphate phosphatase, and a transformant comprising the nucleic acid. Additionally, the present disclosure relates to a composition for producing tagatose, which comprises the tagatose-6-phosphate phosphatase of the present disclosure, and a method for producing tagatose using the tagatose-6-phosphate phosphatase of the present disclosure.
    Type: Application
    Filed: June 30, 2017
    Publication date: July 4, 2019
    Inventors: Sungjae YANG, Hyun Kug CHO, Young Mi LEE, Seong Bo KIM, Seong Jun CHO
  • NEW POLYPHOSPHATE-DEPENDENT GLUCOKINASE AND METHOD FOR PRODUCING GLUCOSE 6-PHOSPHATE USING SAME
    Publication number: 20190144901
    Abstract: The present invention relates to a novel thermophilic and thermoresistant polyphosphate-dependent glucokinase having excellent stability, a composition comprising the same, and a method for producing glucose 6-phosphate using the same.
    Type: Application
    Filed: January 16, 2017
    Publication date: May 16, 2019
    Inventors: Sung Jae YANG, Young Mi LEE, Seong Bo KIM, Seung Won PARK, Hyun Kug CHO
  • HEXURONATE C4-EPIMERASE MUTANT WITH IMPROVED CONVERSION ACTIVITY, AND METHOD FOR PRODUCING D-TAGATOSE BY USING SAME
    Publication number: 20190136223
    Abstract: A hexuronate C4-epimerase with improved conversion activity and a method for producing D-tagatose using the hexuronate C4-epimerase. The hexuronate C4-epimerase includes an amino acid sequence set forth in SEQ ID NO: 1, in which serine (S) at position 125, serine (S) at position 185, valine (V) at position 267, serine (S) at position 268, threonine (T) at position 272, tryptophan (W) at position 306, arginine (R) at position 386 and tyrosine (Y) at position 403 from an N-terminal of hexunorate C4-epimerase are mutated.
    Type: Application
    Filed: December 21, 2018
    Publication date: May 9, 2019
    Inventors: Sung Jae Yang, Yang Hee Kim, IL Hyang Park, Young Mi Lee, Hyun Kug Cho, Seong Bo Kim, Seung Won Park
  • HEXURONATE C4-EPIMERASE VARIANT HAVING IMPROVED D-TAGATOSE CONVERSION ACTIVITY, AND D-TAGATOSE PRODUCTION METHOD USING SAME
    Publication number: 20190112589
    Abstract: Provided are a hexuronate C4-epimerase variant with improved activity in converting D-fructose by D-tagatose of hexuronate C4-epimerase and a method for production of D-tagatose using them.
    Type: Application
    Filed: July 31, 2017
    Publication date: April 18, 2019
    Inventors: Sung Jae YANG, Young Mi LEE, Il Hyang PARK, Chan-Hyoung LEE, Hyun Kug CHO, Seong Bo KIM, Yang Hee KIM, Seung Won PARK
  • NOVEL POLYPHOSPHATE-DEPENDENT GLUCOKINASE AND METHOD FOR PREPARING GLUCOSE 6-PHOSPHATE BY USING SAME
    Publication number: 20190078125
    Abstract: The present invention relates to a novel high-temperature active thermoresistant polyphosphate-dependent glucokinase with high thermal stability, a composition including the enzyme, and methods for producing glucose 6-phosphate using the enzyme.
    Type: Application
    Filed: February 6, 2017
    Publication date: March 14, 2019
    Inventors: Sung Jae YANG, Hyun Kug CHO, Young Mi LEE, Seong Bo KIM, Seung Won PARK
  • Hexuronate C4-epimerase mutant with improved conversion activity, and method for producing D-tagatose by using same
    Patent number: 10196626
    Abstract: A hexuronate C4-epimerase with improved conversion activity and a method for producing D-tagatose using the hexuronate C4-epimerase. The hexuronate C4-epimerase includes an amino acid sequence set forth in SEQ ID NO: 1, in which serine (S) at position 125, serine (S) at position 185, valine (V) at position 267, serine (S) at position 268, threonine (T) at position 272, tryptophan (W) at position 306, arginine (R) at position 386 and tyrosine (Y) at position 403 from an N-terminal of hexunorate C4-epimerase are mutated.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: February 5, 2019
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Sung Jae Yang, Yang Hee Kim, Il Hyang Park, Young Mi Lee, Hyun Kug Cho, Seong Bo Kim, Seung Won Park
  • HEXURONATE C4-EPIMERASE MUTANT WITH IMPROVED CONVERSION ACTIVITY, AND METHOD FOR PRODUCING D-TAGATOSE BY USING SAME
    Publication number: 20180245062
    Abstract: A hexuronate C4-epimerase with improved conversion activity and a method for producing D-tagatose using the hexuronate C4-epimerase. The hexuronate C4-epimerase includes an amino acid sequence set forth in SEQ ID NO: 1, in which serine (S) at position 125, serine (S) at position 185, valine (V) at position 267, serine (S) at position 268, threonine (T) at position 272, tryptophan (W) at position 306, arginine (R) at position 386 and tyrosine (Y) at position 403 from an N-terminal of hexunorate C4-epimerase are mutated.
    Type: Application
    Filed: July 29, 2016
    Publication date: August 30, 2018
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Sung Jae YANG, Yang Hee KIM, IL Hyang PARK, Young Mi LEE, Hyun Kug CHO, Seong Bo KIM, Seung Won PARK
  • COMPOSITION FOR PREPARING TAGATOSE AND METHOD FOR PREPARING TAGATOSE FROM FRUCTOSE
    Publication number: 20170306370
    Abstract: The present invention relates to a composition for preparing tagatose, wherein the composition is used for preparing tagatose from fructose and contains a protein including any one amino acid sequence of SEQ ID NOS: 1 to 7 or a microorganism expressing the protein. In addition, the present invention relates to a method for preparing tagatose from fructose, the method comprising a step of allowing the composition to react with fructose.
    Type: Application
    Filed: October 19, 2015
    Publication date: October 26, 2017
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Yang Hee KIM, Sung Jae YANG, Young Mi LEE, Il Hyang PARK, Seong Bo KIM, Hyun Kug CHO, Seung Won PARK