Patents by Inventor Tatsuya SAKAKURA

Tatsuya SAKAKURA 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).

  • Publication number: 20240139119
    Abstract: A diclofenac-containing patch package product, in which a diclofenac-containing patch, including an adhesive layer containing diclofenac sodium as a drug and dimethyl sulfoxide as a solvent, and a backing layer, is sealed in a packaging bag, the packaging bag being formed of a laminate at least comprising: an innermost layer composed of at least one selected from the group consisting of polyethylene terephthalate and cycloolefin polymer; an oxygen barrier layer arranged outside the innermost layer; and an outer layer arranged outside the oxygen barrier layer.
    Type: Application
    Filed: February 18, 2022
    Publication date: May 2, 2024
    Applicant: HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Hisakazu KURITA, Naoto KAMAKURA, Tatsuya SAKAKURA
  • Patent number: 11903915
    Abstract: The present invention provides a gel patch having a paste layer on a support, wherein the paste layer comprising ketoprofen or a pharmaceutically acceptable salt thereof, propylene glycol, 1-menthol, and water, wherein the mass of propylene glycol in the paste layer is 3-fold the mass of ketoprofen or less, and wherein the content of 1-menthol based on a total mass of the paste layer is 0.1 to 0.5 mass %.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: February 20, 2024
    Assignee: HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Tatsuya Sakakura, Satoshi Kimura, Seiichiro Tsuru
  • Publication number: 20220105060
    Abstract: The present invention provides a gel patch having a paste layer on a support, wherein the paste layer comprising ketoprofen or a pharmaceutically acceptable salt thereof, propylene glycol, 1-menthol, and water, wherein the mass of propylene glycol in the paste layer is 3-fold the mass of ketoprofen or less, and wherein the content of 1-menthol based on a total mass of the paste layer is 0.1 to 0.5 mass %.
    Type: Application
    Filed: February 13, 2020
    Publication date: April 7, 2022
    Inventors: Tatsuya SAKAKURA, Satoshi KIMURA, Seiichiro TSURU