Patents by Inventor Daisaku Oguni

Daisaku Oguni 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).

  • Drug composition and process for preparing the same
    Patent number: 5814621
    Abstract: A drug composition comprising a mucopolysaccharide (also referred in the art as a glycosaminoglycan) and a drug which is scarcely soluble in water but soluble in a water-miscible organic solvent, wherein fine crystals or fine particles of the drug is attached on or between the particles of a mucopolysaccharide, and a process for preparing the same. The drug composition of the present invention exhibits greatly improved solubility and a dissolution rate of the drug, and thus greatly improve the drug's bioavailability.
    Type: Grant
    Filed: January 25, 1996
    Date of Patent: September 29, 1998
    Assignee: Seikagaku Kogyo Kabushiki Kaisha
    Inventors: Yoshio Kanaya, Hiroshi Yuasa, Daisaku Oguni