Patents by Inventor Kosuke Morikawa

Kosuke Morikawa 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).

  • DNA ligase mutants
    Patent number: 7927853
    Abstract: It is intended to obtain DNA ligase improved in binding ability and reactivity with DNA, particularly thermostable DNA ligase improved in binding ability and reactivity with DNA. The present invention provides a DNA ligase mutant improved in binding ability and reactivity with DNA, which is obtained by partially or completely deleting a C-terminal helix portion of DNA ligase. Particularly, the mutant is derived from a thermostable bacterium.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: April 19, 2011
    Assignee: Hitachi, Ltd.
    Inventors: Hirokazu Nishida, Yoshizumi Ishino, Kosuke Morikawa
  • DNA ligase mutants
    Publication number: 20070037190
    Abstract: It is intended to obtain DNA ligase improved in binding ability and reactivity with DNA, particularly thermostable DNA ligase improved in binding ability and reactivity with DNA. The present invention provides a DNA ligase mutant improved in binding ability and reactivity with DNA, which is obtained by partially or completely deleting a C-terminal helix portion of DNA ligase. Particularly, the mutant is derived from a thermostable bacterium.
    Type: Application
    Filed: June 23, 2006
    Publication date: February 15, 2007
    Inventors: Hirokazu Nishida, Yoshizumi Ishino, Kosuke Morikawa