Patents by Inventor Takako Hirate

Takako Hirate 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).

  • P2X4 RECEPTOR ANTAGONIST
    Publication number: 20120116073
    Abstract: A compound having the following formula (II) or its pharmacologically acceptable salt is used as a P2X4 receptor antagonist: in which R11 represents hydrogen or an alkyl group having 1-8 carbon atoms; R21 represents an alkyl group having 1-8 carbon atoms, an alkoxy group having 1-8 carbon atoms, an alkyl group having 1-8 carbon atoms and having 1-3 halogen substituents, or hydroxyl; and R31 is hydrogen or a halogen atom.
    Type: Application
    Filed: January 20, 2012
    Publication date: May 10, 2012
    Applicant: NIPPON CHEMIPHAR COL, LTD.
    Inventors: Shogo SAKUMA, Tsuyoshi Endo, Toshiyasu Imai, Noriko Kanakubo, Masahiko Arai, Toshihiro Takahashi, Kenji Hirate, Takako Hirate, Tomio Yamakawa, Makoto Tsuda, Kazuhide Inoue
  • P2X4 RECEPTOR ANTAGONIST
    Publication number: 20100256123
    Abstract: A compound having the following formula (II) or its pharmacologically acceptable salt is used as a P2X4 receptor antagonist: in which R11 represents hydrogen or an alkyl group having 1-8 carbon atoms; R21 represents an alkyl group having 1-8 carbon atoms, an alkoxy group having 1-8 carbon atoms, an alkyl group having 1-8 carbon atoms and having 1-3 halogen substituents, or hydroxyl; and R31 is hydrogen or a halogen atom.
    Type: Application
    Filed: August 24, 2007
    Publication date: October 7, 2010
    Applicant: NIPPON CHEMIPHAR CO., LTD.
    Inventors: Shogo Sakuma, Tsuyoshi Endo, Toshiyasu Imai, Noriko Kanakubo, Masahiko Arai, Toshihiro Takahashi, Tomio Yamakawa, Makoto Tsuda, Kazuhide Inoue, Kenji Hirate, Takako Hirate
  • N-substituted N-(4-piperidinyl) Amide Derivative
    Publication number: 20090030041
    Abstract: An N-substituted N-(4-piperininyl)amide derivative represented by the following formula (I): (wherein R1 represents C1-6 alkyl, furyl, etc.; R2 represents amino, acetylamino, ureido, etc.; R3 represents hydrogen, C2-8 alkoxycarbonyl, etc.; R4 represents optionally substituted phenyl, etc.; R5 represents hydroxyl, benzyloxy, etc.; R6 represents hydrogen or methyl; and m is 1 or 2) or a salt of the derivative, and an analgesic containing the derivative or salt.
    Type: Application
    Filed: September 13, 2005
    Publication date: January 29, 2009
    Inventors: Toshihiro Takahashi, Tsuyoshi Endo, Masatoshi Ushioda, Kunio Kobayashi, Tomio Yamakawa, Kiichi Shika, Toru Kawasaki, Toshiyasu Imai, Kenji Hirate, Takako Hirate