Patents by Inventor Tadaaki Sugama

Tadaaki Sugama 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).

  • Amorphous body composed of heterocyclic compound, solid dispersion and pharmaceutical preparation each comprising the same, and process for production of the same
    Patent number: 8227463
    Abstract: [Problems] The object is to improve the absorbability of a heterocyclic compound including s-triazine and a pyrimidine derivative in vitro. [Means for Solving Problems] Disclosed is, for example, an amorphous body of a heterocyclic compound as represented by the general formula (I) [wherein each of R's and others is as defined in the description] including s-triazine and a pyrimidine derivative, or a hydrate, a solvate or a pharmaceutically acceptable salt of the heterocyclic compound. Also disclosed is a process for producing the amorphous body. Further disclosed are: a solid dispersion comprising the amorphous body; and a medicinal preparation comprising the solid dispersion.
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: July 24, 2012
    Assignee: Zenyaku Kogyo Kabushiki Kaisha
    Inventors: Tadaaki Sugama, Nobuhiro Ishihara, Yoshiharu Tanaka, Masayuki Takahashi, Shinichi Yaguchi, Tetsuo Watanabe
  • AMORPHOUS BODY COMPOSED OF HETEROCYCLIC COMPOUND, SOLID DISPERSION AND PHARMACEUTICAL PREPARATION EACH COMPRISING THE SAME, AND PROCESS FOR PRODUCTION OF THE SAME
    Publication number: 20100249063
    Abstract: [Problems] The object is to improve the absorbability of a heterocyclic compound including s-triazine and a pyrimidine derivative in vitro. [Means for Solving Problems] Disclosed is, for example, an amorphous body of a heterocyclic compound as represented by the general formula (I) [wherein each of R's and others is as defined in the description] including s-triazine and a pyrimidine derivative, or a hydrate, a solvate or a pharmaceutically acceptable salt of the heterocyclic compound. Also disclosed is a process for producing the amorphous body. Further disclosed are: a solid dispersion comprising the amorphous body; and a medicinal preparation comprising the solid dispersion.
    Type: Application
    Filed: November 21, 2008
    Publication date: September 30, 2010
    Applicant: Zenyaku Kogyo Kabushiki Kaisha
    Inventors: Tadaaki Sugama, Nobuhiro Ishihara, Yoshiharu Tanaka, Masayuki Takahashi, Shinichi Yaguchi, Tetsuo Watanabe