Patents by Inventor Yuuseke Ito

Yuuseke Ito 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).

  • Percutaneous absorption type pharmaceutical preparation of isosorbide dinitrate or pentaerythritol tetranitrate in pressure-sensitive laminate
    Patent number: 4420470
    Abstract: A pharmaceutical preparation comprising a flexible backing and a base material provided thereon is described wherein the base material consists essentially of a polymer having a glass transition temperature of from -70.degree. C. to -10.degree. C. and exhibiting pressure-sensitivity at room temperature, and isosorbide dinitrate or pentaerythritol tetranitrate. This pharmaceutical preparation is applied to the skin, and permits the active ingredient to be absorbed through the skin into the body at a constant rate, and gradually over a long period of time.
    Type: Grant
    Filed: January 8, 1982
    Date of Patent: December 13, 1983
    Assignees: Nitto Electric Industrial Co., Ltd., Toa Eiyo Ltd.
    Inventors: Saburo Otsuka, Toshiyuki Yoshikawa, Shoichi Tokuda, Yuuseke Ito