Patents by Inventor Tatsuji Nishihara

Tatsuji Nishihara 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).

  • Fungal growth inhibitor
    Patent number: 8557574
    Abstract: A very safe and useful agent for inhibiting fungal growth and the like are provided by the present invention. Specifically, the present invention provides (1) an agent for inhibiting fungal growth comprising hyaluronic acid or a salt thereof excluding a heavy metal salt as the active ingredient, and a method for inhibiting fungal growth, which comprises at least a step of allowing hyaluronic acid or a salt thereof excluding a heavy metal salt to contact with a fungus, (2) an agent for reinforcing activity of inhibiting fungal growth possessed by a cell, which comprises a DNA encoding a hyaluronic acid synthase as the active ingredient, (3) a method for reinforcing activity of inhibiting fungal growth of a cell, which comprises at least a step of transfecting a DNA encoding a hyaluronic acid synthase into the cell, and (4) a method for inhibiting fungal growth, which comprises at least a step of allowing a cell transfected with a DNA encoding a hyaluronic acid synthase to contact with a fungus.
    Type: Grant
    Filed: February 8, 2007
    Date of Patent: October 15, 2013
    Assignee: Seikagaku Corporation
    Inventors: Tatsuji Nishihara, Sumio Akifusa
  • FUNGAL GROWTH INHIBITOR
    Publication number: 20100168057
    Abstract: A very safe and useful agent for inhibiting fungal growth and the like are provided by the present invention. Specifically, the present invention provides (1) an agent for inhibiting fungal growth comprising hyaluronic acid or a salt thereof excluding a heavy metal salt as the active ingredient, and a method for inhibiting fungal growth, which comprises at least a step of allowing hyaluronic acid or a salt thereof excluding a heavy metal salt to contact with a fungus, (2) an agent for reinforcing activity of inhibiting fungal growth possessed by a cell, which comprises a DNA encoding a hyaluronic acid synthase as the active ingredient, (3) a method for reinforcing activity of inhibiting fungal growth of a cell, which comprises at least a step of transfecting a DNA encoding a hyaluronic acid synthase into the cell, and (4) a method for inhibiting fungal growth, which comprises at least a step of allowing a cell transfected with a DNA encoding a hyaluronic acid synthase to contact with a fungus.
    Type: Application
    Filed: February 8, 2007
    Publication date: July 1, 2010
    Applicant: SEIKAGAKU CORPORATION
    Inventors: Tatsuji Nishihara, Sumio Akifusa