Patents by Inventor Fumihiko Akahoshi

Fumihiko Akahoshi 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).

  • Patent number: 10717731
    Abstract: A compound represented by general formula [I] wherein X represents N or the like, Y represents CH or the like; RA represents a cycloalkyl group which may be substituted or the like, R1 represents an alkyl group or the like, R2 represents an alkyl group which may be substituted or the like, R3 represents a hydrogen atom or an alkyl group, or a pharmaceutically acceptable salt thereof has an inhibitory activity on aldosterone synthetase, and is useful as a prophylactic and/or therapeutic agent for various diseases or symptoms associated with aldosterone.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: July 21, 2020
    Assignee: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Ryo Sakakibara, Hideki Ushirogochi, Wataru Sasaki, Yuichi Onda, Minami Yamaguchi, Fumihiko Akahoshi
  • Patent number: 10329263
    Abstract: This invention provides a novel disubstituted 1,2,4-triazine compound or a pharmaceutically acceptable salt thereof, which has an aldosterone synthetase inhibitory activity and is useful for preventing and/or treating various diseases or conditions associated with aldosterone; a method for preparing it; use of it; as well as a pharmaceutical composition comprising it as an active ingredient. A compound of the general formula [I]: wherein RA is, for example, a group of the following formula (A-1): wherein ring A1 is, for example, a cycloalkyl group which may be substituted, and RB is, for example, a monocyclic cycloalkyl group, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: June 25, 2019
    Assignee: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Hideki Ushirogochi, Wataru Sasaki, Yuichi Onda, Ryo Sakakibara, Fumihiko Akahoshi
  • Publication number: 20180312503
    Abstract: A compound represented by general formula [I] wherein X represents N or the like, Y represents CH or the like; RA represents a cycloalkyl group which may be substituted or the like, R1 represents an alkyl group or the like, R2 represents an alkyl group which may be substituted or the like, R3 represents a hydrogen atom or an alkyl group, or a pharmaceutically acceptable salt thereof has an inhibitory activity on aldosterone synthetase, and is useful as a prophylactic and/or therapeutic agent for various diseases or symptoms associated with aldosterone.
    Type: Application
    Filed: October 21, 2016
    Publication date: November 1, 2018
    Applicant: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Ryo SAKAKIBARA, Hideki USHIROGOCHI, Wataru SASAKI, Yuichi ONDA, Minami YAMAGUCHI, Fumihiko AKAHOSHI
  • Publication number: 20180305326
    Abstract: This invention provides a novel disubstituted 1,2,4-triazine compound or a pharmaceutically acceptable salt thereof, which has an aldosterone synthetase inhibitory activity and is useful for preventing and/or treating various diseases or conditions associated with aldosterone; a method for preparing it; use of it; as well as a pharmaceutical composition comprising it as an active ingredient. A compound of the general formula [I]: wherein RA is, for example, a group of the following formula (A-1): wherein ring A1 is, for example, a cycloalkyl group which may be substituted, and RB is, for example, a monocyclic cycloalkyl group, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: June 22, 2018
    Publication date: October 25, 2018
    Applicant: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Hideki USHIROGOCHI, Wataru SASAKI, Yuichi ONDA, Ryo SAKAKIBARA, Fumihiko AKAHOSHI
  • Patent number: 10029993
    Abstract: This invention provides a novel disubstituted 1,2,4-triazine compound or a pharmaceutically acceptable salt thereof, which has an aldosterone synthetase inhibitory activity and is useful for preventing and/or treating various diseases or conditions associated with aldosterone; a method for preparing it; use of it; as well as a pharmaceutical composition comprising it as an active ingredient. A compound of the general formula [I]: wherein RA is, for example, a group of the following formula (A-1): wherein ring A1 is, for example, a cycloalkyl group which may be substituted, and RB is, for example, a monocyclic cycloalkyl group, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: July 24, 2018
    Assignee: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Hideki Ushirogochi, Wataru Sasaki, Yuichi Onda, Ryo Sakakibara, Fumihiko Akahoshi
  • Publication number: 20170044115
    Abstract: This invention provides a novel disubstituted 1,2,4-triazine compound or a pharmaceutically acceptable salt thereof, which has an aldosterone synthetase inhibitory activity and is useful for preventing and/or treating various diseases or conditions associated with aldosterone; a method for preparing it; use of it; as well as a pharmaceutical composition comprising it as an active ingredient. A compound of the general formula [I]: wherein RA is, for example, a group of the following formula (A-1): wherein ring A1 is, for example, a cycloalkyl group which may be substituted, and RB is, for example, a monocyclic cycloalkyl group, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: April 23, 2015
    Publication date: February 16, 2017
    Applicant: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Hideki USHIROGOCHI, Wataru SASAKI, Yuichi ONDA, Ryo SAKAKIBARA, Fumihiko AKAHOSHI
  • Patent number: 8754032
    Abstract: A concomitant agent to be used simultaneously or separately, comprising a combination of (a) 3-{(2S,4S)-4-[4-(3-methyl-1-phenyl-1H-pyrazol-5-yl)piperazin-1-yl]pyrrolidin-2-ylcarbonyl}thiazolidine, a salt of the compound with an organic or inorganic and mono- or di-basic acid or a solvate thereof, and (b) at least one kind of active ingredient selected from the group consisting of an active ingredient of a pharmaceutical agent selected from (i) an antidiabetic drug, (ii) a lipid lowering drug, (iii) an antihypertensive drug, (iv) a therapeutic drug for diabetic complications, (v) an antiobesity drug, (vi) an antiplatelet drug and (vii) an anticoagulant, a pharmaceutically acceptable salt thereof and a solvate thereof.
    Type: Grant
    Filed: June 2, 2006
    Date of Patent: June 17, 2014
    Assignee: Mitsubishi Tanabe Pharma Corporation
    Inventors: Yuji Abe, Jun Anabuki, Fumihiko Akahoshi
  • Patent number: 8604198
    Abstract: The present invention provides 3-{(2S,4S)-4-[4-(3-methyl -1-phenyl-1H-pyrazol-5-yl)piperazin-1-yl]pyrrolidin-2 -ylcarbonyl}thiazolidine (compound I) useful as a dipeptidyl peptidase-IV inhibitor, which has superior properties of stability and hygroscopicity, and reproducible crystal structure, and a production method thereof.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: December 10, 2013
    Assignee: Mitsubishi Tanabe Pharma Corporation
    Inventors: Tomohiro Yoshida, Hiroshi Sakashita, Naoko Ueda, Shinji Kirihara, Satoru Uemori, Reiko Tsutsumiuchi, Fumihiko Akahoshi
  • Publication number: 20110282058
    Abstract: The present invention provides 3-{(2S,4S)-4-[4-(3-methyl-1-phenyl-1H-pyrazol-5-yl)piperazin-1-yl]pyrrolidin-2-ylcarbonyl}thiazolidine (compound I) useful as a dipeptidyl peptidase-IV inhibitor, which has superior properties of stability and hygroscopicity, and reproducible crystal structure, and a production method thereof.
    Type: Application
    Filed: July 29, 2011
    Publication date: November 17, 2011
    Applicant: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Tomohiro YOSHIDA, Hiroshi SAKASHITA, Naoko UEDA, Shinji KIRIHARA, Satoru UEMORI, Reiko TSUTSUMIUCHI, Fumihiko AKAHOSHI
  • Patent number: 8003790
    Abstract: The present invention provides 3-{(2S,4S)-4-[4-(3-methyl-1-phenyl-1H-pyrazol-5-yl)piperazin-1-yl]pyrrolidin-2-ylcarbonyl}thiazolidine (compound I) useful as a dipeptidyl peptidase-IV inhibitor, which has superior properties of stability and hygroscopicity, and reproducible crystal structure, and a production method thereof.
    Type: Grant
    Filed: February 17, 2006
    Date of Patent: August 23, 2011
    Assignee: Mitsubishi Tanabe Pharma Corporation
    Inventors: Tomohiro Yoshida, Hiroshi Sakashita, Naoko Ueda, Shinji Kirihara, Satoru Uemori, Reiko Tsutsumiuchi, Fumihiko Akahoshi
  • Publication number: 20100305139
    Abstract: The present invention provides a pharmaceutical agent for the treatment and/or prophylaxis of abnormal blood glucose and lipid metabolism associated with eating, for which a sufficient treatment method or a therapeutic drug has not been found.
    Type: Application
    Filed: August 11, 2010
    Publication date: December 2, 2010
    Applicant: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Yuji ABE, Aki KUSUNOKI, Yoshiharu HAYASHI, Fumihiko AKAHOSHI
  • Patent number: 7790725
    Abstract: A thiazolidine derivative represented by the formula (I) wherein each symbol is as defined in the specification, and a pharmaceutically acceptable salt thereof exhibit a potent DPP-IV inhibitory activity, and can be provided as an agent for the prophylaxis or treatment of diabetes, an agent for the prophylaxis or treatment of obesity and the like.
    Type: Grant
    Filed: July 9, 2007
    Date of Patent: September 7, 2010
    Assignee: Mitsubishi Tanabe Pharma Corporation
    Inventors: Hiroshi Sakashita, Tomohiro Yoshida, Hiroshi Kitajima, Masahiro Takeuchi, Yoshihito Tanaka, Takuya Yoshimura, Fumihiko Akahoshi, Yoshiharu Hayashi
  • Publication number: 20090216016
    Abstract: The present invention provides 3-{(2S,4S)-4-[4-(3-methyl-1-phenyl-1H -pyrazol-5-yl)piperazin-1-yl]pyrrolidin-2-ylcarbonyl}thiazolidine (compound I) useful as a dipeptidyl peptidase-IV inhibitor, which has superior properties of stability and hygroscopicity, and reproducible crystal structure, and a production method thereof.
    Type: Application
    Filed: February 17, 2006
    Publication date: August 27, 2009
    Applicant: MITSUBISHI PHARMA CORPORATION
    Inventors: Tomohiro Yoshida, Hiroshi Sakashita, Naoko Ueda, Shinji Kirihara, Satoru Uemori, Reiko Tsutsumiuchi, Fumihiko Akahoshi
  • Publication number: 20090088442
    Abstract: The present invention provides a pharmaceutical agent for the treatment and/or prophylaxis of abnormal blood glucose and lipid metabolism associated with eating, for which a sufficient treatment method or a therapeutic drug has not been found.
    Type: Application
    Filed: April 26, 2006
    Publication date: April 2, 2009
    Applicant: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Yuji Abe, Aki Kusunoki, Yoshiharu Hayashi, Fumihiko Akahoshi
  • Publication number: 20090082256
    Abstract: A concomitant agent to be used simultaneously or separately, comprising a combination of (a) 3-{(2S,4S)-4-[4-(3-methyl-1-phenyl-1H-pyrazol-5-yl)piperazin-1-yl]pyrrolidin-2-ylcarbonyl}thiazolidine, a salt of the compound with an organic or inorganic and mono- or di-basic acid or a solvate thereof, and (b) at least one kind of active ingredient selected from the group consisting of an active ingredient of a pharmaceutical agent selected from (i) an antidiabetic drug, (ii) a lipid lowering drug, (iii) an antihypertensive drug, (iv) a therapeutic drug for diabetic complications, (v) an antiobesity drug, (vi) an antiplatelet drug and (vii) an anticoagulant, a pharmaceutically acceptable salt thereof and a solvate thereof.
    Type: Application
    Filed: June 2, 2006
    Publication date: March 26, 2009
    Applicant: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Yuji Abe, Jun Anabuki, Fumihiko Akahoshi
  • Patent number: 7504423
    Abstract: Compounds represented by the ?-amino acid derivative or a pharmaceutically acceptable salt thereof of the present invention have a therapeutic effect due to a DPP-IV inhibitory action and useful as pharmaceutical agents for the treatment and/or prophylaxis of diseases relating to a DPP-IV inhibitor.
    Type: Grant
    Filed: December 10, 2004
    Date of Patent: March 17, 2009
    Assignee: Mitsubishi Tanabe Pharma Corporation
    Inventors: Fumihiko Akahoshi, Yoshiharu Hayashi
  • Publication number: 20070259880
    Abstract: A thiazolidine derivative represented by the formula (I) wherein each symbol is as defined in the specification, and a pharmaceutically acceptable salt thereof exhibit a potent DPP-IV inhibitory activity, and can be provided as an agent for the prophylaxis or treatment of diabetes, an agent for the prophylaxis or treatment of obesity and the like.
    Type: Application
    Filed: July 9, 2007
    Publication date: November 8, 2007
    Applicant: MITSUBISHI PHARMA CORPORATION
    Inventors: Hiroshi SAKASHITA, Tomohiro YOSHIDA, Hiroshi KITAJIMA, Masahiro TAKEUCHI, Yoshihito TANAKA, Takuya YOSHIMURA, Fumihiko AKAHOSHI, Yoshiharu HAYASHI
  • Publication number: 20070049619
    Abstract: Compounds represented by the ?-amino acid derivative or a pharmaceutically acceptable salt thereof of the present invention have a therapeutic effect due to a DPP-IV inhibitory action and useful as pharmaceutical agents for the treatment and/or prophylaxis of diseases relating to a DPP-IV inhibitor.
    Type: Application
    Filed: December 10, 2004
    Publication date: March 1, 2007
    Applicant: Mitsubishi Phama Corporation
    Inventors: Fumihiko Akahoshi, Yoshiharu Hayashi
  • Publication number: 20060173056
    Abstract: The present invention aims at providing compounds having therapeutic effects due to a DPP-IV inhibitory action, and satisfactory as pharmaceutical products. The present inventors have found that derivatives having a substituent introduced into the ?-position of proline represented by the formula (I) wherein each symbol is as defined in the specification, have a potent DPP-IV inhibitory activity, and completed the present invention by increasing the stability.
    Type: Application
    Filed: February 10, 2006
    Publication date: August 3, 2006
    Inventors: Hiroshi Kitajima, Hiroshi Sakashita, Fumihiko Akahoshi, Yoshiharu Hayashi
  • Patent number: 7074794
    Abstract: The present invention aims at providing compounds having therapeutic effects due to a DPP-IV inhibitory action, and satisfactory as pharmaceutical products. The present inventors have found that derivatives having a substituent introduced into the ?-position of proline represented by the formula (I) wherein each symbol is as defined in the specification, have a potent DPP-IV inhibitory activity, and completed the present invention by increasing the stability.
    Type: Grant
    Filed: August 10, 2001
    Date of Patent: July 11, 2006
    Assignee: Mitsubishi Pharma Corporation
    Inventors: Hiroshi Kitajima, Hiroshi Sakashita, Fumihiko Akahoshi, Yoshiharu Hayashi