Patents by Inventor Shin-ya Ohnuma

Shin-ya Ohnuma 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
  • Halogenobenzyl aminopropionic acid derivatives
    Patent number: 6933309
    Abstract: A halogenobenzylaminopropionic acid derivative represented by the following formula (1): or a pharmaceutically acceptable salt of the derivative, and a drug containing the same as an active ingredient for treating diabetes, hyperlipidemia, or similar pathological conditions.
    Type: Grant
    Filed: December 26, 2002
    Date of Patent: August 23, 2005
    Assignee: Toaeiyo Ltd.
    Inventors: Koichi Takayanagi, Hideki Yamada, Shin-ichi Kazayama, Shin-ya Ohnuma
  • Halogenobenzyl aminopropionic acid derivatives
    Publication number: 20040102439
    Abstract: A halogenobenzylaminopropionic acid derivative represented by the following formula (1): 1
    Type: Application
    Filed: September 29, 2003
    Publication date: May 27, 2004
    Inventors: Koichi Takayanagi, Hideki Yamada, Shin-ichi Kazayama, Shin-ya Ohnuma