Patents by Inventor Tatyana Viktorovna Leonova

Tatyana Viktorovna Leonova 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: 20140287472
    Abstract: There is disclosed a method for producing L-amino acid, for example L-threonine, L-lysine, L-histidine, L-phenylalanine, L-arginine or L-glutamic acid, using a bacterium of the Enterobacteriaceae family, wherein the bacterium has been modified to enhance an activity of D-xylose permease.
    Type: Application
    Filed: June 11, 2014
    Publication date: September 25, 2014
    Applicant: AJINOMOTO CO., INC.
    Inventors: Konstantin Vyacheslavovich Rybak, Ekaterina Aleksandrovna Slivinskaya, Ekaterina Alekseevna Savrasova, Valeriy Zavenovich Akhverdian, Elena Vitalievna Klyachko, Sergei Vladimirovich Mashko, Vera Georgievna Doroshenko, Larisa Gotlibovna Airikh, Tatyana Viktorovna Leonova, Mikhail Markovich Gusyatiner, Elvira Borisovna Voroshilova, Yury Ivanovich Kozlov, Yoshihiko Hara, Takuji Ueda
  • Patent number: 8785161
    Abstract: There is disclosed a method for producing L-amino acid, for example L-threonine, L-lysine, L-histidine, L-phenylalanine, L-arginine or L-glutamic acid, using a bacterium of the Enterobacteriaceae family, wherein the bacterium has been modified to enhance an activity of D-xylose permease.
    Type: Grant
    Filed: May 8, 2012
    Date of Patent: July 22, 2014
    Assignee: Ajinomoto Co., Inc.
    Inventors: Konstantin Vyacheslavovich Rybak, Ekaterina Aleksandrovna Slivinskaya, Ekaterina Alekseevna Savrasova, Valeriy Zavenovich Akhverdian, Elena Vitalievna Klyachko, Sergei Vladimirovich Mashko, Vera Georgievna Doroshenko, Larisa Gotlibovna Airikh, Tatyana Viktorovna Leonova, Mikhail Markovich Gusyatiner, Elvira Borisovna Voroshilova, Yury Ivanovich Kozlov, Yoshihiko Hara, Takuji Ueda
  • Patent number: 8728774
    Abstract: There is disclosed a method for producing L-amino acid, for example L-threonine, L-lysine, L-histidine, L-phenylalanine, L-arginine or L-glutamic acid, using a bacterium of the Enterobacteriaceae family, wherein the bacterium has been modified to enhance an activity of D-xylose permease.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: May 20, 2014
    Assignee: Ajinomoto Co., Inc.
    Inventors: Konstantin Vyacheslavovich Rybak, Ekaterina Aleksandrovna Slivinskaya, Ekaterina Alekseevna Savrasova, Valeriy Zavenovich Akhverdian, Elena Vitalievna Klyachko, Sergei Vladimirovich Mashko, Vera Georgievna Doroshenko, Larisa Gotlibovna Airikh, Tatyana Viktorovna Leonova, Mikhail Markovich Gusyatiner, Elvira Borisovna Voroshilova, Yury Ivanovich Kozlov, Yoshihiko Hara, Takuji Ueda
  • Patent number: 8722370
    Abstract: The present invention provides a method for producing L-amino acids, such as L-arginine, L-citrulline, and L-lysine, using a bacterium of the Enterobacteriaceae family, particularly a bacterium belonging to the genus Escherichia or Pantoea, which has been modified to attenuate expression of one or more genes, such as the pepA, pepB, and pepD genes.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: May 13, 2014
    Assignee: Ajinomoto Co., Inc.
    Inventors: Dmitriy Vladimirovich Filippov, Tatyana Viktorovna Leonova, Elvira Borisovna Voroshilova, Mikhail Markovich Gusyatiner, Mika Moriya, Yuri Nagai, Keiko Noguchi
  • Publication number: 20120219996
    Abstract: There is disclosed a method for producing L-amino acid, for example L-threonine, L-lysine, L-histidine, L-phenylalanine, L-arginine or L-glutamic acid, using a bacterium of the Enterobacteriaceae family, wherein the bacterium has been modified to enhance an activity of D-xylose permease.
    Type: Application
    Filed: May 8, 2012
    Publication date: August 30, 2012
    Inventors: Konstantin Vyacheslavovich Rybak, Ekaterina Aleksandrovna Slivinskaya, Ekaterina Alekseevna Savrasova, Valeriy Zavenovich Akhverdian, Elena Vitalievna Klyachko, Sergei Vladimirovich Mashko, Vera Georgievna Doroshenko, Larisa Gotlibovna Airikh, Tatyana Viktorovna Leonova, Mikhail Markovich Gusyatiner, Elvira Borisovna Voroshilova, Yury Ivanovich Kozlov, Yoshihiko Hara, Takuji Ueda
  • Patent number: 8227214
    Abstract: The present invention provides a method for producing an L-amino acid using a bacterium of the Enterobacteriaceae family, particularly a bacterium belonging to genus Escherichia or Pantoea, which has been modified to attenuate expression of a gene coding for sRNA.
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: July 24, 2012
    Assignee: Ajinomoto Co., Inc.
    Inventors: Konstantin Vyacheslavovich Rybak, Aleksandra Yurievna Skorokhodova, Elvira Borisovna Voroshilova, Mikhail Markovich Gusyatiner, Tatyana Viktorovna Leonova, Yury Ivanovich Kozlov, Vitaly Grigorievich Paraskevov, legal representative, Takuji Ueda
  • Patent number: 8187850
    Abstract: The present invention provides a method for producing an L-amino acid using a bacterium of the Enterobacteriaceae family, particularly a bacterium belonging to genus Escherichia or Pantoea, which has been modified to attenuate expression of the ybiV gene.
    Type: Grant
    Filed: January 30, 2008
    Date of Patent: May 29, 2012
    Assignee: Ajinomoto Co., Inc.
    Inventors: Konstantin Vyacheslavovich Rybak, Marina Evgenievna Sheremet'eva, Aleksandra Yurievna Skorokhodova, Tatyana Viktorovna Leonova, Yury Ivanovich Kozlov, Vitaly Grigorievich Paraskevov, legal representative
  • Publication number: 20120070865
    Abstract: The present invention provides a method for producing an L-amino acid using a bacterium of the Enterobacteriaceae family, particularly a bacterium belonging to genus Escherichia or Pantoea, which has been modified to attenuate expression of a gene coding for sRNA.
    Type: Application
    Filed: November 30, 2011
    Publication date: March 22, 2012
    Inventors: Konstantin Vyacheslavovich Rybak, Aleksandra Yurievna Skorokhodova, Elvira Borisovna Voroshilova, Mikhail Markovich Gusyatiner, Tatyana Viktorovna Leonova, Yury Ivanovich Kozlov, Vitaly Grigorievich Paraskevov, Takuji Ueda
  • Patent number: 8088606
    Abstract: The present invention provides a method for producing an L-amino acid using a bacterium of the Enterobacteriaceae family, particularly a bacterium belonging to genus Escherichia or Pantoea, which has been modified to attenuate expression of a gene coding for sRNA.
    Type: Grant
    Filed: August 18, 2010
    Date of Patent: January 3, 2012
    Assignee: Ajinomoto Co., Inc.
    Inventors: Konstantin Vyacheslavovich Rybak, Aleksandra Yurievna Skorokhodova, Elvira Borisovna Voroshilova, Mikhail Markovich Gusyatiner, Tatyana Viktorovna Leonova, Vitaly Grigorievich Paraskevov, Takuji Ueda
  • Publication number: 20110143403
    Abstract: There is disclosed a method for producing L-amino acid, for example L-threonine, L-lysine, L-histidine, L-phenylalanine, L-arginine or L-glutamic acid, using a bacterium of the Enterobacteriaceae family, wherein the bacterium has been modified to enhance an activity of D-xylose permease.
    Type: Application
    Filed: February 22, 2011
    Publication date: June 16, 2011
    Inventors: Konstantin Vyacheslavovich Rybak, Ekaterina Aleksandrovna Slivinskaya, Ekaterina Alekseevna Savrasova, Valeriy Zavenovich Akhverdian, Elena Vitalievna Klyachko, Sergei Vladimirovich Mashko, Vera Georgievna Doroshenko, Larisa Gotlibovna Airikh, Tatyana Viktorovna Leonova, Mikhail Markovich Gusyatiner, Elvira Borisovna Voroshilova, Yury Ivanovich Kozlov, Yoshihiko Hara, Takuji Ueda
  • Patent number: 7919282
    Abstract: The present invention provides a method for producing an L-amino acid using a bacterium of the Enterobacteriaceae family, particularly a bacterium belonging to genus Escherichia or Pantoea, which has been modified to attenuate expression of the cpxR gene.
    Type: Grant
    Filed: January 22, 2008
    Date of Patent: April 5, 2011
    Assignee: Ajinomoto Co., Inc.
    Inventors: Konstantin Vyacheslavovich Rybak, Aleksandra Yurievna Skorokhodova, Elvira Borisovna Voroshilova, Tatyana Viktorovna Leonova
  • Patent number: 7915018
    Abstract: There is disclosed a method for producing L-amino acid, for example L-threonine, L-lysine, L-histidine, L-phenylalanine, L-arginine or L-glutamic acid, using a bacterium of the Enterobacteriaceae family, wherein the bacterium has been modified to enhance an activity of D-xylose permease.
    Type: Grant
    Filed: October 12, 2005
    Date of Patent: March 29, 2011
    Assignee: Ajinomoto Co., Inc.
    Inventors: Konstantin Vyacheslavovich Rybak, Ekaterina Aleksandrovna Slivinskaya, Ekaterina Alekseevna Savrasova, Valeriy Zavenovich Akhverdian, Elena Vitalievna Klyachko, Sergei Vladimirovich Mashko, Vera Georgievna Doroshenko, Larisa Gotlibovna Airikh, Tatyana Viktorovna Leonova, Mikhail Markovich Gusyatiner, Elvira Borisovna Voroshilova, Yury Ivanovich Kozlov, Yoshihiko Hara, Takuji Ueda
  • Publication number: 20100311129
    Abstract: The present invention provides a method for producing an L-amino acid using a bacterium of the Enterobacteriaceae family, particularly a bacterium belonging to genus Escherichia or Pantoea, which has been modified to attenuate expression of a gene coding for sRNA.
    Type: Application
    Filed: August 18, 2010
    Publication date: December 9, 2010
    Inventors: Konstantin Vyacheslavovich Rybak, Aleksandra Yurievna Skorokhodova, Elvira Borisovna Voroshilova, Mikhail Markovich Gusyatiner, Tatyana Viktorovna Leonova, Vitaly Grigorievich Paraskevov, Takuji Ueda
  • Publication number: 20100279362
    Abstract: The present invention provides a method for producing an L-amino acid using a bacterium of the Enterobacteriaceae family, particularly a bacterium belonging to genus Escherichia or Pantoea, which has been modified to attenuate expression of the ybiV gene.
    Type: Application
    Filed: January 30, 2008
    Publication date: November 4, 2010
    Inventors: Konstantin Vyacheslavovich Rybak, Marina Evgenievna Sheremet'eva, Aleksandra Yurievna Skorokhodova, Tatyana Viktorovna Leonova, Yury Ivanovich Kozlov, Vitaly Grigorievich Paraskevov
  • Patent number: 7803584
    Abstract: The present invention provides a method for producing an L-amino acid using a bacterium of the Enterobacteriaceae family, particularly a bacterium belonging to genus Escherichia or Pantoea, which has been modified to attenuate expression of a gene coding for sRNA.
    Type: Grant
    Filed: September 18, 2008
    Date of Patent: September 28, 2010
    Assignee: Ajinomoto Co., Inc.
    Inventors: Konstantin Vyacheslavovich Rybak, Aleksandra Yurievna Skorokhodova, Elvira Borisovna Voroshilova, Mikhail Markovich Gusyatiner, Tatyana Viktorovna Leonova, Yury Ivanovich Kozlov, Vitaly Grigorievich Paraskevov, legal representative, Takuji Ueda
  • Patent number: 7771976
    Abstract: The present invention provides a method for producing a non-aromatic L-amino acid using a bacterium of the Enterobacteriaceae family, particularly a bacterium belonging to the genus Escherichia or Pantoea, which has been modified to attenuate expression of the csrA gene.
    Type: Grant
    Filed: July 31, 2007
    Date of Patent: August 10, 2010
    Assignee: Ajinomoto Co., Inc.
    Inventors: Andrey Yurievich Gulevich, Danila Vadimovich Zimenkov, Elena Vitalievna Klyachko, Tatyana Viktorovna Leonova, Yury Ivanovich Koslov, Vitaly Grigorievich Paraskevov, legal representative
  • Publication number: 20100143982
    Abstract: The present invention provides a method for producing an L-amino acid using a bacterium of the Enterobacteriaceae family, particularly a bacterium belonging to the genus Escherichia or Pantoea, which has been modified to attenuate expression of the aldH gene.
    Type: Application
    Filed: May 23, 2008
    Publication date: June 10, 2010
    Inventors: Dmitriy Vladimirovich Filippov, Elvira Borisovna Voroshilova, Tatyana Viktorovna Leonova, Mikhail Markovich Gusyatiner
  • Publication number: 20090239267
    Abstract: The present invention provides a method for producing an L-amino acid using a bacterium of the Enterobacteriaceae family, particularly a bacterium belonging to genus Escherichia or Pantoea, which has been modified to attenuate expression of the cpxR gene.
    Type: Application
    Filed: January 22, 2008
    Publication date: September 24, 2009
    Inventors: Konstantin Vyacheslavovich Rybak, Aleksandra Yurievna Skorokhodova, Elvira Borisovna Voroshilova, Tatyana Viktorovna Leonova
  • Publication number: 20090239266
    Abstract: The present invention provides a method for producing a non-aromatic L-amino acid using a bacterium of the Enterobacteriaceae family, particularly a bacterium belonging to the genus Escherichia or Pantoea, which has been modified to attenuate expression of the csrA gene.
    Type: Application
    Filed: July 31, 2007
    Publication date: September 24, 2009
    Inventors: Andrey Yurievich Gulevich, Danila Vadimovich ZIMENKOV, Elena Vitalievna KLYACHKO, Tatyana Viktorovna LEONOVA, Yury Ivanovich Kozlov, Vitaly Grigorievich PARASKEVOV
  • Publication number: 20090215129
    Abstract: The present invention provides a method for producing an L-amino acid using a bacterium of the Enterobacteriaceae family, particularly a bacterium belonging to the genus Escherichia or Pantoea, which has been modified to attenuate expression of the leuO gene.
    Type: Application
    Filed: September 4, 2007
    Publication date: August 27, 2009
    Inventors: Konstantin Vyacheslavovich Rybak, Elvira Borisovna Voroshilova, Tatyana Viktorovna Leonova, Yury Ivanovich Kozlov