Patents by Inventor Kyohei Isobe

Kyohei Isobe 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).

  • Publication number: 20230392112
    Abstract: Disclosed are a genetically modified microorganism that can produce 3-hydroxyadipic acid and/or ?-hydromuconic acid in high yields, and the genetically modified microorganism. The genetically modified microorganism is a microorganism having an ability to produce 3-hydroxyadipic acid and/or ?-hydromuconic acid, in which the reaction to generate acetyl-CoA from pyruvic acid is enhanced and function of pyruvate kinase and/or phosphotransferase system is reduced.
    Type: Application
    Filed: November 10, 2021
    Publication date: December 7, 2023
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Kyohei ISOBE, Kenji KAWAMURA, Katsushige YAMADA
  • Patent number: 11753662
    Abstract: A method of producing 3-oxoadipic acid from an aliphatic compound easily utilizable by a microorganism, such as a saccharide, by utilization of a metabolic pathway of the microorganism is disclosed.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: September 12, 2023
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Kyohei Isobe, Kenji Kawamura, Masateru Ito, Katsushige Yamada
  • Publication number: 20230101086
    Abstract: A genetically modified microorganism that can produce 3-hydroxyadipic acid and/or ?-hydromuconic acid with a high yield; and a method of producing 3-hydroxyadipic acid and/or ?-hydromuconic acid using the genetically modified microorganism, are disclosed. The genetically modified microorganism has an ability to produce 3-hydroxyadipic acid and/or ?-hydromuconic acid, and has an enhanced enzymatic activity to catalyze a reaction to reduce 3-oxoadipyl-CoA to 3-hydroxyadipyl-CoA, wherein, in the genetically modified microorganism, a dicarboxylic acid excretion carrier function is deleted or decreased.
    Type: Application
    Filed: March 17, 2021
    Publication date: March 30, 2023
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Kyohei ISOBE, Kenji KAWAMURA, Katsushige YAMADA
  • Publication number: 20220228178
    Abstract: Disclosed are a genetically modified microorganism with an ability to produce 3-hydroxyadipic acid, ?-hydromuconic acid, and/or adipic acid in high yield, and a method of producing 3-hydroxyadipic acid, ?-hydromuconic acid, and/or adipic acid by using the genetically modified microorganism. The genetically modified microorganism has an ability to produce 3-hydroxyadipic acid, ?-hydromuconic acid, and/or adipic acid and is deficient in the function of pyruvate kinase, in which the activities of phosphoenolpyruvate carboxykinase and of an enzyme that catalyzes the reaction of reducing 3-oxoadipyl-CoA to 3-hydroxyadipyl-CoA are enhanced.
    Type: Application
    Filed: May 8, 2020
    Publication date: July 21, 2022
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Kyohei ISOBE, Kenji KAWAMURA, Katsushige YAMADA
  • Publication number: 20220213514
    Abstract: Disclosed is a genetically modified microorganism that produces 3-hydroxyadipic acid, ?-hydromuconic acid. or adipic acid in high yield. A nucleic acid encoding any one of the polypeptides described in (a) to (c) below is introduced or the expression of the polypeptide is enhanced and the function of pyruvate kinase is impaired in the genetically modified microorganism: (a) a polypeptide composed of an amino acid sequence represented by any one of SEQ ID NOs: 1 to 7; (b) a polypeptide having the same amino acid sequence as any one of those amino acid sequences, except that one or several amino acids are substituted, deleted, inserted, andor added, and having an enzymatic activity that catalyzes a reaction to reduce 3-oxoadipyl-CoA to 3-hydroxyadipyl-CoA; (c) a polypeptide composed of an amino acid sequence with a sequence identity of not less than 70% to any one of those amino acid sequences and having an enzymatic activity that catalyzes a reaction to reduce 3-oxoadipyl-CoA to 3-hydroxyadipyl-CoA.
    Type: Application
    Filed: May 8, 2020
    Publication date: July 7, 2022
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Kyohei ISOBE, Kenji KAWAMURA, Katsushige YAMADA
  • Patent number: 11248207
    Abstract: Provided is a method of producing ?-hydromuconic acid, the method including the step of culturing a microorganism belonging to the genus Serratia capable of producing ?-hydromuconic acid.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: February 15, 2022
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Kyohei Isobe, Kenji Kawamura, Masateru Ito, Katsushige Yamada
  • Patent number: 11124811
    Abstract: A method of producing ?-hydromuconic acid using a metabolic pathway of a microorganism is disclosed. The method of producing ?-hydromuconic acid includes the step of culturing at least one type of microorganism having a capacity to produce ?-hydromuconic acid, selected from the group consisting of microorganisms belonging to the genus Escherichia, microorganisms belonging to the genus Pseudomonas, microorganisms belonging to the genus Hafnia, microorganisms belonging to the genus Bacillus, microorganisms belonging to the genus Cupriavidus, microorganisms belonging to the genus Acinetobacter, microorganisms belonging to the genus Alcaligenes, microorganisms belonging to the genus Delftia, and microorganisms belonging to the genus Shimwellia.
    Type: Grant
    Filed: June 9, 2016
    Date of Patent: September 21, 2021
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Kyohei Isobe, Kenji Kawamura, Masateru Ito, Katsushige Yamada
  • Patent number: 11078503
    Abstract: Provided is a method of producing 3-hydroxyadipic acid, the method including the step of culturing a microorganism belonging to the genus Serratia capable of producing 3-hydroxyadipic acid.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: August 3, 2021
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Kyohei Isobe, Kenji Kawamura, Masateru Ito, Katsushige Yamada
  • Publication number: 20210047662
    Abstract: A method of producing 3-oxoadipic acid from an aliphatic compound easily utilizable by a microorganism, such as a saccharide, by utilization of a metabolic pathway of the microorganism is disclosed.
    Type: Application
    Filed: November 4, 2020
    Publication date: February 18, 2021
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Kyohei ISOBE, Kenji KAWAMURA, Masateru ITO, Katsushige YAMADA
  • Patent number: 10858677
    Abstract: A novel method of producing 3-hydroxyadipic acid using a metabolic pathway of a microorganism is disclosed.
    Type: Grant
    Filed: June 9, 2016
    Date of Patent: December 8, 2020
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Kyohei Isobe, Kenji Kawamura, Masateru Ito, Katsushige Yamada
  • Patent number: 10858678
    Abstract: A method of producing 3-oxoadipic acid from an aliphatic compound easily utilizable by a microorganism, such as a saccharide, by utilization of a metabolic pathway of the microorganism is disclosed.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: December 8, 2020
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Kyohei Isobe, Kenji Kawamura, Masateru Ito, Katsushige Yamada
  • Publication number: 20200291435
    Abstract: Disclosed is a genetically modified microorganism into which a nucleic acid encoding an enzyme that catalyzes a reaction to reduce 3-oxoadipyl-CoA to 3-hydroxyadipyl-CoA is introduced. In the genetically modified microorganism, a nucleic acid encoding any one of the polypeptides described in (a) to (c) below is introduced or expression of the polypeptide is enhanced: (a) a polypeptide composed of an amino acid sequence represented by any one of SEQ ID NOs: 1 to 6 and 213, (b) a polypeptide composed of the same amino acid sequence as any one of the amino acid sequences, except that one or several amino acids are substituted, deleted, inserted, and/or added, and having enzymatic activity that catalyzes a reaction to reduce 3-oxoadipyl-CoA to 3-hydroxyadipyl-CoA, and (c) a polypeptide composed of an amino acid sequence with a sequence identity of not less than 70% to any one of the amino acid sequences and having activity to reduce 3-oxoadipyl-CoA to 3-hydroxyadipyl-CoA.
    Type: Application
    Filed: November 29, 2018
    Publication date: September 17, 2020
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Kyohei ISOBE, Kenji KAWAMURA, Katsushige YAMADA
  • Publication number: 20200232052
    Abstract: Provided is a method of producing ?-hydromuconic acid, the method including the step of culturing a microorganism belonging to the genus Serratia capable of producing ?-hydromuconic acid.
    Type: Application
    Filed: May 30, 2017
    Publication date: July 23, 2020
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Kyohei ISOBE, Kenji KAWAMURA, Masateru ITO, Katsushige YAMADA
  • Patent number: 10584084
    Abstract: A method of producing 2,3-butanediol includes subjecting a 2,3-butanediol culture liquid produced by microbial fermentation to nanofiltration membrane treatment and ion-exchange treatment (Step A), and then adding an alkaline substance and performing distillation (Step B).
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: March 10, 2020
    Assignee: Toray Industries, Inc.
    Inventors: Kenji Kawamura, Izumi Morita, Masateru Ito, Kyohei Isobe, Satoshi Sakami, Katsushige Yamada
  • Publication number: 20190276860
    Abstract: Provided is a method of producing 3-hydroxyadipic acid, the method including the step of culturing a microorganism belonging to the genus Serratia capable of producing 3-hydroxyadipic acid.
    Type: Application
    Filed: May 30, 2017
    Publication date: September 12, 2019
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Kyohei ISOBE, Kenji KAWAMURA, Masateru ITO, Katsushige YAMADA
  • Patent number: 10378029
    Abstract: A method produces a chemical product by continuous fermentation including filtering a culture liquid of a microorganism(s) through a separation membrane, retaining unfiltered liquid in, or refluxing unfiltered liquid to, the culture liquid, adding a fermentation feedstock to the culture liquid, and recovering a product in the filtrate, wherein the microorganism(s) is/are a microorganism(s) that undergo(es) catabolite repression, and the fermentation feedstock comprises hexose and pentose.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: August 13, 2019
    Assignee: Toray Industries, Inc.
    Inventors: Koji Kobayashi, Shiomi Watanabe, Kyohei Isobe, Kenji Sawai, Kyungsu Na, Shingo Hiramatsu, Katsushige Yamada
  • Publication number: 20180355385
    Abstract: A method of producing 3-oxoadipic acid from an aliphatic compound easily utilizable by a microorganism, such as a saccharide, by utilization of a metabolic pathway of the microorganism is disclosed.
    Type: Application
    Filed: December 9, 2016
    Publication date: December 13, 2018
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Kyohei ISOBE, Kenji KAWAMURA, Masateru ITO, Katsushige YAMADA
  • Patent number: 10072275
    Abstract: A method of producing 2,3-butanediol includes the steps of: culturing a microorganism belonging to the genus Zymobacter in a fermentation feedstock containing a carbon source (Step A); and purifying 2,3-butanediol from culture liquid obtained in this step (Step B). In this method, the carbon source contains pentose, and the microorganism belonging to the genus Zymobacter has a capacity to metabolize pentose.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: September 11, 2018
    Assignee: Toray Industries, Inc.
    Inventors: Kyohei Isobe, Kenji Sawai, Kenji Kawamura, Katsushige Yamada, Hideshi Yanase
  • Publication number: 20180223318
    Abstract: A method of producing ?-hydromuconic acid using a metabolic pathway of a microorganism is disclosed. The method of producing ?-hydromuconic acid includes the step of culturing at least one type of microorganism having a capacity to produce ?-hydromuconic acid, selected from the group consisting of microorganisms belonging to the genus Escherichia, microorganisms belonging to the genus Pseudomonas, microorganisms belonging to the genus Hafnia, microorganisms belonging to the genus Bacillus, microorganisms belonging to the genus Cupriavidus, microorganisms belonging to the genus Acinetobacter, microorganisms belonging to the genus Alcaligenes, microorganisms belonging to the genus Delftia, and microorganisms belonging to the genus Shimwellia.
    Type: Application
    Filed: June 9, 2016
    Publication date: August 9, 2018
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Kyohei ISOBE, Kenji KAWAMURA, Masateru ITO, Katsushige YAMADA
  • Publication number: 20180142271
    Abstract: A novel method of producing 3-hydroxyadipic acid using a metabolic pathway of a microorganism is disclosed.
    Type: Application
    Filed: June 9, 2016
    Publication date: May 24, 2018
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Kyohei ISOBE, Kenji KAWAMURA, Masateru ITO, Katsushige YAMADA