Patents by Inventor Yasuji Takasima

Yasuji Takasima 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).

  • Orally administrable pharmaceutical preparation of improved flavoring characteristics
    Patent number: 4892740
    Abstract: An orally administrable pharmaceutical preparation of improved flavoring characteristics composed of a core material containing a drug and a coated layer applied to its surface, said coated layer being composed of a particulate polymeric substance having an average particle diameter of not more than 60 microns and being soluble in gastric juice; and a process for producing said orally administrable pharmaceutical preparation, which comprises causing minute liquid droplets of a volatile liquid containing a drug and optionally a gastric juice-soluble polymeric substance to fall onto a powder bed composed of a gastric juice-soluble particulate polymeric substance having an average particle diameter of not more than 60 microns to coat the surface of the liquid droplets with the gastric juice-soluble particulate polymeric substance, and drying the coated particles.
    Type: Grant
    Filed: January 25, 1988
    Date of Patent: January 9, 1990
    Assignee: Taisho Pharmaceutical Co., Ltd.
    Inventors: Yasuji Takasima, Ikuo Koyama, Kimihide Shimano, Kaoru Maezuru