Patents by Inventor Chika Hikichi

Chika Hikichi 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 of producing an l-amino acid involving a carotenoid biosynthesis enzyme
    Patent number: 11198894
    Abstract: A method for producing an L-amino acid such as L-lysine is provided. An L-amino acid is produced by culturing a bacterium having an L-amino acid-producing ability, which has been modified so that the activity of a carotenoid biosynthesis enzyme is increased, in a medium, and collecting the L-amino acid from the medium.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: December 14, 2021
    Assignee: AJINOMOTO CO., INC.
    Inventors: Kazuteru Yamada, Ye Zhang, Kenji Abe, Naoki Iwanaga, Ryo Takeshita, Yuri Uehara, Chika Hikichi, Yasuhiro Oota
  • Production Method for L-Amino Acid
    Publication number: 20190161780
    Abstract: A method for producing an L-amino acid such as L-lysine is provided. An L-amino acid is produced by culturing a bacterium having an L-amino acid-producing ability, which has been modified so that the activity of a carotenoid biosynthesis enzyme is increased, in a medium, and collecting the L-amino acid from the medium.
    Type: Application
    Filed: February 5, 2019
    Publication date: May 30, 2019
    Applicant: AJINOMOTO CO., INC.
    Inventors: Kazuteru Yamada, Ye Zhang, Kenji Abe, Naoki Iwanaga, Ryo Takeshita, Yuri Uehara, Chika Hikichi, Yasuhiro Oota