Patents by Inventor Sergey Vladimirovich Mashko

Sergey Vladimirovich Mashko 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).

  • Method for producing a lower alkyl ester of ?-L-aspartyl-L-phenylalanine using bacteria
    Patent number: 7531332
    Abstract: A method for producing an L-amino acid, such as L-phenylalanine and L-threonine, is provided using an Escherichia bacterium, wherein the L-amino acid productivity of said bacterium is enhanced by enhancing the activity of the protein encoded by the yedA gene. A further method is provided for producing a lower alkyl ester of ?-L-aspartyl-L-phenylalanine by producing L-phenylalanine by cultivating an Escherichia coli bacterium in a medium, wherein said bacterium has the ability to produce L-phenylalanine, and synthesizing the lower alkyl ester of ?-L-aspartyl-L-phenylalanine from aspartic acid, or a derivative thereof, and the produced L-phenylalanine.
    Type: Grant
    Filed: June 12, 2007
    Date of Patent: May 12, 2009
    Assignee: Ajinomoto Co., Inc.
    Inventors: Vitaliy Arkadyevich Livshits, Maria Viacheslavovna Vitushkina, Mikhail Markovich Gusyatiner, Mikhail Kharisovich Ziyatdinov, Valery Zavenovich Akhverdian, Ekaterina Alekseevna Savrasova, Vera Georgievna Doroshenko, Sergey Vladimirovich Mashko
  • Method for Producing L-Amino Acids Using Escherichia Bacteria
    Publication number: 20080153138
    Abstract: A method for producing an L-amino acid, such as L-phenylalanine and L-threonine, is provided using an Escherichia bacterium, wherein the L-amino acid productivity of said bacterium is enhanced by enhancing the activity of the protein encoded by the yedA gene. A further method is provided for producing a lower alkyl ester of ?-L-aspartyl-L-phenylalanine by producing L-phenylalanine by cultivating an Escherichia coli bacterium in a medium, wherein said bacterium has the ability to produce L-phenylalanine, and synthesizing the lower alkyl ester of ?-L-aspartyl-L-phenylalanine from aspartic acid, or a derivative thereof, and the produced L-phenylalanine.
    Type: Application
    Filed: June 12, 2007
    Publication date: June 26, 2008
    Inventors: Vitaliy Arkadyevich Livshits, Maria Viacheslavovna Vitushkina, Mikhail Markovich Gusyatiner, Mikhail Kharisovich Ziyatdinov, Valery Zavenovich Akhverdian, Ekaterina Alekseevna Savrasova, Vera Georgievna Doroshenko, Sergey Vladimirovich Mashko
  • bacteria transformed with a yedA homolog to enhance L-amino acid producing activity, and methods for producing an L-amino acid using same
    Patent number: 7259003
    Abstract: A method for producing an L-amino acid, such as L-phenylalanine or L-threonine, is provided using a bacterium belonging to the genus Escherichia, wherein the L-amino acid productivity of said bacterium is enhanced by enhancing an activity of the protein encoded by the yedA gene.
    Type: Grant
    Filed: November 25, 2002
    Date of Patent: August 21, 2007
    Assignee: Ajinomoto Co., Inc.
    Inventors: Vitaliy Arkadyevich Livshits, Maria Viacheslavovna Vitushkina, Mikhail Markovich Gusyatiner, Mikhail Kharisovich Ziyatdinov, Valery Zavenovich Akhverdian, Ekaterina Alekseevna Savrasova, Vera Georgievna Doroshenko, Sergey Vladimirovich Mashko
  • Method for producing L-amino acid using bacteria belonging to the genus escherichia
    Publication number: 20030148473
    Abstract: A method for producing an L-amino acid, such as L-phenylalanine, L-threonine is provided using bacterium belonging to the genus Escherichia wherein the L-amino acid productivity of said bacterium is enhanced by enhancing an activity of protein encoded by the yedA gene.
    Type: Application
    Filed: November 25, 2002
    Publication date: August 7, 2003
    Applicant: Ajinomoto Co., Inc.
    Inventors: Vitaliy Arkadyevich Livshits, Maria Viacheslavovna Vitushkina, Mikhail Markovich Gusyatiner, Mikhail Kharisovich Ziyatdinov, Valery Zavenovich Akhverdian, Ekaterina Alekseevna Savrasova, Vera Georgievna Doroshenko, Sergey Vladimirovich Mashko