Patents by Inventor Shunji Shinohara

Shunji Shinohara 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).

  • Pyrrolinone derivative and pharmaceutical composition comprising the same
    Patent number: 8497263
    Abstract: The present invention provides a compound represented by the formula (I): wherein R1, R2, R3, Z1, Z2, Ra, Rb, q, A and n are as defined in the description, a pharmaceutically acceptable salt or solvate thereof. The compound is useful as P2X3 and/or P2X2/3 receptor antagonist.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: July 30, 2013
    Assignee: Shionogi & Co., Ltd.
    Inventors: Hiroyuki Kai, Shunji Shinohara, Takayuki Kameyama
  • Pyrrolinone derivative and pharmaceutical composition comprising the same
    Patent number: 8101644
    Abstract: The present invention provides a compound represented by the formula (I): wherein R1, R2, R3, Z1, Z2, Ra, Rb, q, A and n are as defined in the description, a pharmaceutically acceptable salt or solvate thereof. The compound is useful as P2X3 and/or P2X2/3 receptor antagonist.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: January 24, 2012
    Assignee: Shionogi & Co., Ltd.
    Inventors: Hiroyuki Kai, Shunji Shinohara, Takayuki Kameyama
  • NOVEL PYRROLINONE DERIVATIVE AND PHARMACEUTICAL COMPOSITION COMPRISING THE SAME
    Publication number: 20120010199
    Abstract: The present invention provides a compound represented by the formula (I): wherein R1, R2, R3, Z1, Z2, Ra, Rb, q, A and n are as defined in the description, a pharmaceutically acceptable salt or solvate thereof. The compound is useful as P2X3 and/or P2X2/3 receptor antagonist.
    Type: Application
    Filed: September 23, 2011
    Publication date: January 12, 2012
    Inventors: Hiroyuki Kai, Shunji Shinohara, Takayuki Kameyama
  • NOVEL PYRROLINONE DERIVATIVE AND PHARMACEUTICAL COMPOSITION COMPRISING THE SAME
    Publication number: 20100210632
    Abstract: The present invention provides a compound represented by the formula (I): wherein R1, R2, R3, Z1, Z2, Ra, Rb, q, A and n are as defined in the description, a pharmaceutically acceptable salt or solvate thereof. The compound is useful as P2X3 and/or P2X2/3 receptor antagonist.
    Type: Application
    Filed: March 28, 2008
    Publication date: August 19, 2010
    Inventors: Hiroyuki Kai, Shunji Shinohara, Takayuki Kameyama