Patents by Inventor Masako Maekawa

Masako Maekawa 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).

  • Pharmaceutical composition comprising pyrazine derivative, and method of using pyrazine derivative in combination
    Patent number: 8759354
    Abstract: Disclosed is a pharmaceutical composition comprising a pyrazine derivative represented by the general formula: [wherein R1 and R2 independently represent a hydrogen atom or a halogen atom; and R3 represents a hydrogen atom or an amino-protecting group] or a salt thereof and at least one neuraminidase inhibitor. The pharmaceutical composition is useful for a treatment including the treatment or prevention of influenza. Also disclosed is a method of using these components in combination. The method is useful for a treatment including the treatment or prevention of influenza.
    Type: Grant
    Filed: February 14, 2008
    Date of Patent: June 24, 2014
    Assignee: Toyama Chemical Co., Ltd.
    Inventor: Masako Maekawa
  • PHARMACEUTICAL COMPOSITION COMPRISING PYRAZINE DERIVATIVE, AND METHOD OF USING PYRAZINE DERIVATIVE IN COMBINATION
    Publication number: 20100087447
    Abstract: Disclosed is a pharmaceutical composition comprising a pyrazine derivative represented by the general formula: [wherein R1 and R2 independently represent a hydrogen atom or a halogen atom; and R3 represents a hydrogen atom or an amino-protecting group] or a salt thereof and at least one neuraminidase inhibitor. The pharmaceutical composition is useful for a treatment including the treatment or prevention of influenza. Also disclosed is a method of using these components in combination. The method is useful for a treatment including the treatment or prevention of influenza.
    Type: Application
    Filed: February 14, 2008
    Publication date: April 8, 2010
    Applicant: TOYAMA CHEMICAL CO., LTD.
    Inventor: Masako Maekawa