Patents by Inventor Michinori Togawa

Michinori Togawa 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).

  • Benzoimidazole compound capable of inhibiting prostaglandin D synthetase
    Patent number: 7951956
    Abstract: The present invention provides a benzimidazole compound represented by Formula (I) wherein X1 is oxygen or carbonyl, and R1 is a furan ring having 1 to 3 substituents or a pyrrole ring that may have 1 to 3 substituents; excluding compounds represented by Formula (I) wherein at least one of the substituents is a phosphoric acid group or a phosphoric ester group; or a salt thereof. The benzimidazole compound or salt thereof has excellent prostaglandin synthase inhibitory activity, and is useful as an agent for preventing and/or treating diseases in which prostaglandin D2 or metabolites thereof participates, such as allergic and inflammatory diseases, and as inhibitor for the exacerbation of Alzheimer's disease or cerebral damage.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: May 31, 2011
    Assignee: Taiho Pharmaceuticals Co., Ltd.
    Inventors: Yoshihiro Urade, Yoshiki Tanaka, Keiko Yamane, Michinori Togawa
  • BENZOIMIDAZOLE COMPOUND CAPABLE OF INHIBITING PROSTAGLANDIN D SYNTHETASE
    Publication number: 20090281098
    Abstract: The present invention provides a benzimidazole compound represented by Formula (I) wherein X1 is oxygen or carbonyl, and R1 is a furan ring having 1 to 3 substituents or a pyrrole ring that may have 1 to 3 substituents; excluding compounds represented by Formula (I) wherein at least one of the substituents is a phosphoric acid group or a phosphoric ester group; or a salt thereof. The benzimidazole compound or salt thereof has excellent prostaglandin synthase inhibitory activity, and is useful as an agent for preventing and/or treating diseases in which prostaglandin D2 or metabolites thereof participates, such as allergic and inflammatory diseases, and as inhibitor for the exacerbation of Alzheimer's disease or cerebral damage.
    Type: Application
    Filed: July 12, 2006
    Publication date: November 12, 2009
    Applicant: TAIHO PHARMACEUTICAL CO., LTD.
    Inventors: Yoshihiro Urade, Yoshiki Tanaka, Keiko Yamane, Michinori Togawa