Patents by Inventor Koichi Maedera

Koichi Maedera 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).

  • Production of microcapsules of water-soluble drugs
    Patent number: 5611971
    Abstract: There is provided a process for producing microcapsules of a water-soluble drug by in-water drying process, which comprises carrying out the process in the presence of an osmotic pressure adjustor present in the external aqueous phase. This process improves the drug take up into microcapsules.
    Type: Grant
    Filed: August 6, 1993
    Date of Patent: March 18, 1997
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Koichi Maedera, Masuhisa Hori, Tomomichi Futo