Patents by Inventor Tomoyuki Sada

Tomoyuki Sada 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).

  • S1Preceptor antagonist
    Patent number: 8546452
    Abstract: The present invention relates to arylamidrazone derivatives having an antagonistic action against S1P3 receptors represented by the following formula (1) or a pharmaceutically acceptable salt thereof:
    Type: Grant
    Filed: October 11, 2006
    Date of Patent: October 1, 2013
    Assignee: TOA Eiyo Ltd.
    Inventors: Shin-ya Ohnuma, Takeshi Hasegawa, Tomoyuki Sada
  • S1P3 RECEPTOR ANTAGONIST
    Publication number: 20090170895
    Abstract: The present invention relates to a medicine, and more particularly to novel arylamidrazone derivatives having an antagonistic action against S1P3 receptors and a medicine containing thereof as an active ingredient.
    Type: Application
    Filed: October 11, 2006
    Publication date: July 2, 2009
    Applicant: TOA EIYO LTD.
    Inventors: Shin-ya Ohnuma, Takeshi Hasegawa, Tomoyuki Sada