Patents by Inventor Ayumi Aisaka

Ayumi Aisaka 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).

  • Pharmaceutical preparation administrator
    Patent number: 5171219
    Abstract: A preparation administrator has an administrator body including a solid preparation and having at its one end an inflow channel for solvent and at the other end an outflow channel for liquid preparation, a solvent container containing a solvent to dissolve, disperse or suspend the preparation and being connected to the inflow channel of the administrator body, and an ejector for ejecting the solvent together with the solid preparation in the body through the outflow channel of the body. A solid preparation in the administrator body is dissolved, or suspended or dispersed in the solvent fed from the solvent container and ejected as a liquid preparation through the outflow channel of the body.
    Type: Grant
    Filed: June 8, 1990
    Date of Patent: December 15, 1992
    Assignee: Sumitomo Pharmaceuticals Co., Ltd.
    Inventors: Keiji Fujioka, Yoshihiro Takada, Ayumi Aisaka