Patents by Inventor Shuhei Misawa

Shuhei Misawa 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).

  • Plant producing hyaluronic acid
    Patent number: 7547819
    Abstract: The invention relates to a method of producing hyaluronic acid including (1) a step of transforming a plant cell using an expression recombinant vector including (i) a DNA encoding hyaluronic acid synthase or (ii) a DNA encoding a polypeptide having an amino acid sequence having one or more amino acid deletions, substitutions, additions or insertions in an amino acid sequence of the hyaluronic acid synthase and having an activity of synthesizing the hyaluronic acid, (2) a step of growing a transformant obtained by transformation, and (3) a step of separating the hyaluronic acid produced by the transformant.
    Type: Grant
    Filed: July 30, 2004
    Date of Patent: June 16, 2009
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventors: Shigeo Shibatani, Shuhei Misawa, Izumi Ihara, Hiroaki Kitazawa
  • Plant producing hyaluronic acid
    Publication number: 20060168690
    Abstract: The invention relates to a method of producing hyaluronic acid comprising (1) a step of transforming a plant cell using an expression recombinant vector comprising (i) a DNA encoding hyaluronic acid synthase or (ii) a DNA encoding a polypeptide having an amino acid sequence having one or more amino acid deletions, substitutions, additions or insertions in an amino acid sequence of the hyaluronic acid synthase and having an activity of synthesizing the hyaluronic acid, (2) a step of growing a transformant obtained by transformation, and (3) a step of separating the hyaluronic acid produced by the transformant.
    Type: Application
    Filed: July 30, 2004
    Publication date: July 27, 2006
    Applicant: Research Center of TOYO BOSEKI KABUSHIKI KAISHA
    Inventors: Shigeo Shibatani, Shuhei Misawa, Izumi Ihara, Hiroaki Kitazawa