Patents by Inventor Kiyose Nakagawa

Kiyose Nakagawa 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 system and percutaneous absorption method
    Patent number: 7858112
    Abstract: The present invention provides a percutaneous absorption system and a percutaneous absorption method, which have a simple constitution and can realize the easy and continuous percutaneous absorption of medicine even when the medicine is formed of a water-soluble oligomer solution or a high-molecular solution. In the percutaneous absorption system comprising a medicine reservoir portion having a medicine holding portion which holds medicine therein and a support portion for supporting the medicine reservoir portion, the support portion including an adhesive layer and a substrate having medicine non-permeating property, the system is provided with an elastic member for applying pressure to the medicine held in the inside of the medicine reservoir portion, and by breaking the substrate having medicine non-permeating property in the support portion using a mechanical stimulus such as an injection needle or the like, the medicine is released (delivered) at a fixed rate.
    Type: Grant
    Filed: February 26, 2003
    Date of Patent: December 28, 2010
    Assignees: Lintec Corporation
    Inventors: Tomio Hatanaka, Rui Saito, Kenji Sugibayashi, Kiyose Nakagawa
  • Percutaneous absorption system and percutaneous absorption method
    Publication number: 20030161869
    Abstract: The present invention provides a percutaneous absorption system and a percutaneous absorption method, which have a simple constitution and can realize the easy and continuous percutaneous absorption of medicine even when the medicine is formed of a water-soluble oligomer solution or a high-molecular solution. In the percutaneous absorption system comprising a medicine reservoir portion having a medicine holding portion which holds medicine therein and a support portion for supporting the medicine reservoir portion, the support portion including an adhesive layer and a substrate having medicine non-permeating property, the system is provided with an elastic member for applying pressure to the medicine held in the inside of the medicine reservoir portion, and by breaking the substrate having medicine non-permeating property in the support portion using a mechanical stimulus such as an injection needle or the like, the medicine is released(delivered) at a fixed rate.
    Type: Application
    Filed: February 26, 2003
    Publication date: August 28, 2003
    Applicant: Lintec Corporation
    Inventors: Tomio Hatanaka, Rui Saito, Kenji Sugibayashi, Kiyose Nakagawa