Patents by Inventor Kouichirou Masuda

Kouichirou Masuda 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).

  • Patent number: 6296621
    Abstract: The present invention provides a receptacle used in a passive drug delivery system. The receptacle includes first flow path for supplying along a fluid conduit a medical liquid, second flow path for introducing the medical liquid into a container containing a beneficial agent, third flow path for delivering a mixed solution containing the medical liquid and agent, and a guide valve for controlling the flow path by closing or opening the flow path.
    Type: Grant
    Filed: August 23, 1996
    Date of Patent: October 2, 2001
    Assignee: Baxter International Inc.
    Inventors: Kouichirou Masuda, Kazumasa Maeda, Haruki Kazama, Brian J. Gorman
  • Patent number: 5853406
    Abstract: The present invention provides a passive drug delivery apparatus which has a simplified structure. The present invention includes a junction member, disposed within the fluid conduit, for forming a first flow path to supply a medical liquid along the fluid conduit. A coupling member is provided, one end of which is to be coupled to the junction member, and the other end of which is to be inserted into a vial containing a beneficial agent. The coupling member includes structure to close the medical liquid flow path, a second flow path for introducing the medical liquid into the vial and a third flow path for delivering the mixed solution containing the medical liquid and agent.
    Type: Grant
    Filed: August 23, 1996
    Date of Patent: December 29, 1998
    Assignee: Baxter International Inc.
    Inventors: Kouichirou Masuda, Kazumasa Maeda, Haruki Kazama