Patents by Inventor Mayuko Koreishi

Mayuko Koreishi 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).

  • N?-acyl-L-lysine-specific aminoacylase
    Patent number: 7888079
    Abstract: The present invention provides an aminoacylase having superior abilities in specifically acylating and hydrolyzing e-amino group of Lys, and a method of producing N?-acyl-L-lysine. The present invention provides N?-acyl-L-lysine-specific aminoacylase containing the amino acid sequence of SERPXTTLLRNGDVH (X unknown) at the N-terminal, and a method of producing N?-acyl-L-lysine comprising acting the aminoacylase on L-Lys and a carboxylic acid.
    Type: Grant
    Filed: August 21, 2007
    Date of Patent: February 15, 2011
    Assignees: Ajinomoto Co., Inc., National University Corporation Okayama University
    Inventors: Kazuhiro Nakanishi, Koreyoshi Imamura, Hiroyuki Imanaka, Mayuko Koreishi, Noriki Nio
  • N-EPSILON-ACYL-L-LYSINE-SPECIFIC AMINOACYLASE
    Publication number: 20070298469
    Abstract: The present invention provides an aminoacylase having superior abilities in specifically acylating and hydrolyzing e-amino group of Lys, and a method of producing N?-acyl-L-lysine. The present invention provides N?-acyl-L-lysine-specific aminoacylase containing the amino acid sequence of SERPXTTLLRNGDVH (X unknown) at the N-terminal, and a method of producing N?-acyl-L-lysine comprising acting the aminoacylase on L-Lys and a carboxylic acid.
    Type: Application
    Filed: August 21, 2007
    Publication date: December 27, 2007
    Applicants: Ajinomoto Co., Inc., National University Corporation Okayama University
    Inventors: Kazuhiro Nakanishi, Koreyoshi Imamura, Hiroyuki Imanaka, Mayuko Koreishi, Noriki Nio