Patents by Inventor Toshiro Nagaso

Toshiro Nagaso 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).

  • Film preparation with rapidly dissolving property and flexibility
    Patent number: 9125836
    Abstract: The present invention relates to a film preparation having both rapid solubility and flexibility at the same time. The film preparation is characterized by comprising: an active-ingredient-containing layer comprising an active ingredient, a water-soluble polymer selected from the group consisting of methyl cellulose, hydroxypropyl cellulose, and hydroxypropyl methyl cellulose, and a disintegrating agent; and an active-ingredient-free layer comprising methyl cellulose and/or hydroxypropyl methyl cellulose. It is further characterized in that the amount of the active ingredient is 0.1-75.0 mass % of a total mass of the film preparation and a total content of the active ingredient and the water-soluble polymer in the active-ingredient-containing layer is 15.0-95.0 mass % of a total mass of the active-ingredient-containing layer.
    Type: Grant
    Filed: June 7, 2007
    Date of Patent: September 8, 2015
    Assignee: SATO PHARMACEUTICAL CO., LTD.
    Inventors: Toshiro Nagaso, Mitsutoshi Tatara, Toshihito Shimizu
  • FILM PREPARATION WITH RAPIDLY DISSOLVING PROPERTY AND FLEXIBILITY
    Publication number: 20100150986
    Abstract: The present invention relates to a film preparation having both rapid solubility and flexibility at the same time. The film preparation is characterized by comprising: an active-ingredient-containing layer comprising an active ingredient, a water-soluble polymer selected from the group consisting of methyl cellulose, hydroxypropyl cellulose, and hydroxypropyl methyl cellulose, and a disintegrating agent; and an active-ingredient-free layer comprising methyl cellulose and/or hydroxypropyl methyl cellulose. It is further characterized in that the amount of the active ingredient is 0.1-75.0 mass % of a total mass of the film preparation and a total content of the active ingredient and the water-soluble polymer in the active-ingredient-containing layer is 15.0-95.0 mass % of a total mass of the active-ingredient-containing layer.
    Type: Application
    Filed: June 7, 2007
    Publication date: June 17, 2010
    Applicant: SATO PHARMACEUTICAL CO., LTD.
    Inventors: Toshiro Nagaso, Mitsutoshi Tatara, Toshihito Shimizu