Patents by Inventor Tohru Takebe

Tohru Takebe 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).

  • Patent number: 8022059
    Abstract: A compound of the formula: wherein ring X is benzene or pyridine; R1 is substituted alkyl; R2 is optionally substituted aryl or optionally substituted heterocyclic group; R3 is hydrogen or alkyl; R4 is hydrogen, halogen or alkyl; R5 is hydrogen or alkyl; R6 and R7 are the same or different and each hydrogen or halogen, or a pharmaceutically acceptable salt thereof, which is useful as IKur blocker effective for preventing or treating cardiac arrhythmia such as atrial fibrillation.
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: September 20, 2011
    Assignee: Mitsubishi Tanabe Pharma Corporation
    Inventors: Tetsuo Yamaguchi, Hiroyuki Kawanishi, Hideki Ushirogochi, Tatsuyuki Takahashi, Tohru Takebe
  • Publication number: 20100256108
    Abstract: A compound of the formula: wherein ring X is benzene or pyridine; R1 is substituted alkyl; R2 is optionally substituted aryl or optionally substituted heterocyclic group; R3 is hydrogen or alkyl; R4 is hydrogen, halogen or alkyl; R5 is hydrogen or alkyl; R6 and R7 are the same or different and each hydrogen or halogen, or a pharmaceutically acceptable salt thereof, which is useful as IKur blocker effective for preventing or treating cardiac arrhythmia such as atrial fibrillation.
    Type: Application
    Filed: September 26, 2008
    Publication date: October 7, 2010
    Inventors: Tetsuo Yamaguchi, Hiroyuki Kawanishi, Hideki Ushirogochi, Tatsuyuki Takahashi, Tohru Takebe