Patents by Inventor Yuka Ashida

Yuka Ashida 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).

  • Cycloalkyl-substituted imidazole derivative
    Patent number: 9340531
    Abstract: A compound represented by the following general formula (I) or a pharmacologically acceptable salt thereof, wherein A represents a C3 to C12 cycloalkyl group which may be substituted by one to three selected from a fluoro group, a hydroxy group, a C1 to C6 alkyl group, etc; R1, R2, and R3 each independently represent a hydrogen atom, a fluoro group, or a C1 to C6 alkyl group; R4 represents a hydrogen atom or a prodrug group; and Y represents —CH2—CHR5—CH2—NHR6 (wherein R5 represents a hydrogen atom, a C1 to C6 alkyl group, or a C1 to C6 alkoxy group, and R6 represents a hydrogen atom or a prodrug group), or the like exhibits excellent TAFIa inhibitory activity and is useful as a therapeutic drug for myocardial infarction, angina pectoris, acute coronary syndrome, cerebral infarction, deep vein thrombosis, pulmonary embolism, and the like.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: May 17, 2016
    Assignee: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Tsutomu Nagata, Masahiro Inoue, Yuka Ashida, Kengo Noguchi, Makoto Ono
  • Cycloalkyl-Substituted Imidazole Derivative
    Publication number: 20140178349
    Abstract: A compound represented by the following general formula (I) or a pharmacologically acceptable salt thereof, wherein A represents a C3 to C12 cycloalkyl group which may be substituted by one to three selected from a fluoro group, a hydroxy group, a C1 to C6 alkyl group, etc; R1, R2, and R3 each independently represent a hydrogen atom, a fluoro group, or a C1 to C6 alkyl group; R4 represents a hydrogen atom or a prodrug group; and Y represents —CH2—CHR5—CH2—NHR6 (wherein R5 represents a hydrogen atom, a C1 to C6 alkyl group, or a C1 to C6 alkoxy group, and R6 represents a hydrogen atom or a prodrug group), or the like exhibits excellent TAFIa inhibitory activity and is useful as a therapeutic drug for myocardial infarction, angina pectoris, acute coronary syndrome, cerebral infarction, deep vein thrombosis, pulmonary embolism, and the like.
    Type: Application
    Filed: December 16, 2013
    Publication date: June 26, 2014
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Tsutomu Nagata, Masahiro Inoue, Yuka Ashida, Kengo Noguchi, Makoto Ono
  • Cycloalkyl-substituted imidazole derivative
    Patent number: 8609710
    Abstract: A compound represented by the following general formula (I) or a pharmacologically acceptable salt thereof, wherein A represents a C3 to C12 cycloalkyl group which may be substituted by one to three selected from a fluoro group, a hydroxy group, a C1 to C6 alkyl group, etc; R1, R2, and R3 each independently represent a hydrogen atom, a fluoro group, or a C1 to C6 alkyl group; R4 represents a hydrogen atom or a prodrug group; and Y represents —CH2—CHR5—CH2—NHR6 (wherein R5 represents a hydrogen atom, a C1 to C6 alkyl group, or a C1 to C6 alkoxy group, and R6 represents a hydrogen atom or a prodrug group), or the like exhibits excellent TAFIa inhibitory activity and is useful as a therapeutic drug for myocardial infarction, angina pectoris, acute coronary syndrome, cerebral infarction, deep vein thrombosis, pulmonary embolism, and the like.
    Type: Grant
    Filed: July 16, 2012
    Date of Patent: December 17, 2013
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Tsutomu Nagata, Masahiro Inoue, Yuka Ashida, Kengo Noguchi, Makoto Ono
  • Cycloalkyl-Substituted Imidazole Derivative
    Publication number: 20130230501
    Abstract: A compound represented by the following general formula (I) or a pharmacologically acceptable salt thereof, wherein A represents a C3 to C12 cycloalkyl group which may be substituted by one to three selected from a fluoro group, a hydroxy group, a C1 to C6 alkyl group, etc; R1, R2, and R3 each independently represent a hydrogen atom, a fluoro group, or a C1 to C6 alkyl group; R4 represents a hydrogen atom or a prodrug group; and Y represents —CH2—CHR5—CH2—NHR6 (wherein R5 represents a hydrogen atom, a C1 to C6 alkyl group, or a C1 to C6 alkoxy group, and R6 represents a hydrogen atom or a prodrug group), or the like exhibits excellent TAFIa inhibitory activity and is useful as a therapeutic drug for myocardial infarction, angina pectoris, acute coronary syndrome, cerebral infarction, deep vein thrombosis, pulmonary embolism, and the like.
    Type: Application
    Filed: July 16, 2012
    Publication date: September 5, 2013
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Tsutomu Nagata, Masahiro Inoue, Yuka Ashida, Kengo Noguchi, Makoto Ono
  • Cycloalkyl-Substituted Imidazole Derivative
    Publication number: 20130022587
    Abstract: A compound represented by the following general formula (I) or a pharmacologically acceptable salt thereof, wherein A represents a C3 to C12 cycloalkyl group which may be substituted by one to three selected from a fluoro group, a hydroxy group, a C1 to C6 alkyl group, etc; R1, R2, and R3 each independently represent a hydrogen atom, a fluoro group, or a C1 to C6 alkyl group; R4 represents a hydrogen atom or a prodrug group; and Y represents —CH2—CHR5—CH2—NHR6 (wherein R5 represents a hydrogen atom, a C1 to C6 alkyl group, or a C1 to C6 alkoxy group, and R6 represents a hydrogen atom or a prodrug group), or the like exhibits excellent TAFIa inhibitory activity and is useful as a therapeutic drug for myocardial infarction, angina pectoris, acute coronary syndrome, cerebral infarction, deep vein thrombosis, pulmonary embolism, and the like.
    Type: Application
    Filed: July 16, 2012
    Publication date: January 24, 2013
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Tsutomu Nagata, Masahiro Inoue, Yuka Ashida, Kengo Noguchi, Makoto Ono