Patents by Inventor Taisaku Tanaka

Taisaku Tanaka 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).

  • Dihydroindolizinone derivative
    Patent number: 11530211
    Abstract: It is an object of the present invention to provide a new compound capable of efficiently inducing differentiation from pluripotent stem cells into insulin-producing cells. The object of the present invention is achieved by a compound represented by formula (I): wherein R1, R2, R3, n and A have the same meanings as defined in the description, respectively, or a salt thereof.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: December 20, 2022
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Toshihiro Kiho, Tatsuya Yano, Satoshi Komoriya, Taisaku Tanaka
  • DIHYDROINDOLIZINONE DERIVATIVE
    Publication number: 20210053965
    Abstract: It is an object of the present invention to provide a new compound capable of efficiently inducing differentiation from pluripotent stem cells into insulin-producing cells. The object of the present invention is achieved by a compound represented by formula (I): wherein R1, R2, R3, n and A have the same meanings as defined in the description, respectively, or a salt thereof.
    Type: Application
    Filed: January 18, 2019
    Publication date: February 25, 2021
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Toshihiro Kiho, Tatsuya Yano, Satoshi Komoriya, Taisaku Tanaka
  • Seven-membered ring compound and pharmaceutical use therefor
    Patent number: 8846660
    Abstract: A compound having a 7-membered nitrogen-containing ring skeleton represented by the formula (I), which is useful for the prevention or treatment of diseases, in which chymase is involved and a pharmaceutical containing the same for the prevention or treatment of a disease, in which chymase is involved.
    Type: Grant
    Filed: December 24, 2010
    Date of Patent: September 30, 2014
    Assignee: Daiichi Sankyo Company, Ltd.
    Inventors: Tsuyoshi Muto, Taisaku Tanaka, Junko Futamura, Seiichi Imajo, Hajime Sugawara
  • 7-MEMBERED RING COMPOUND AND METHOD OF PRODUCTION AND PHARMACEUTICAL APPLICATION THEREOF
    Publication number: 20130296551
    Abstract: A 7-membered heterocyclic compound having the formula (I), or its salt, or a solvate thereof with a chymase inhibitory action and useful for the prevention or treatment of various diseases, in which chymase is involved: a method for producing the same, and a pharmaceutical composition useful for the prevention or treatment of diseases, in which chymase is involved, including the compound of having the formula (I), or its pharmaceutically acceptable salt, or a solvate thereof are provided.
    Type: Application
    Filed: July 3, 2013
    Publication date: November 7, 2013
    Inventors: Tsuyoshi MUTO, Taisaku Tanaka, Hiroshi Maruoka, Seiichi Imajo, Yoshiaki Tomimori
  • 7-membered ring compound and method of production and pharmaceutical application thereof
    Patent number: 8507714
    Abstract: A 7-membered heterocyclic compound having the formula (I), or its salt, or a solvate thereof with a chymase inhibitory action and useful for the prevention or treatment of various diseases, in which chymase is involved: a method for producing the same, and a pharmaceutical composition useful for the prevention or treatment of diseases, in which chymase is involved, including the compound of having the formula (I), or its pharmaceutically acceptable salt, or a solvate thereof are provided.
    Type: Grant
    Filed: January 4, 2011
    Date of Patent: August 13, 2013
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Tsuyoshi Muto, Taisaku Tanaka, Hiroshi Maruoka, Seiichi Imajo, Yoshiaki Tomimori
  • SEVEN-MEMBERED RING COMPOUND AND PHARMACEUTICAL USE THEREFOR
    Publication number: 20120259111
    Abstract: A compound having a 7-membered nitrogen-containing ring skeleton represented by the formula (I), which is useful for the prevention or treatment of diseases, in which chymase is involved and a pharmaceutical containing the same for the prevention or treatment of a disease, in which chymase is involved.
    Type: Application
    Filed: December 24, 2010
    Publication date: October 11, 2012
    Applicant: DAIICHI SANKYO COMPANY LIMITED
    Inventors: Tsuyoshi Muto, Taisaku Tanaka, Junko Futamura, Seiichi Imajo, Hajime Sugawara
  • 7-membered ring compound and method of production and pharmaceutical application thereof
    Patent number: 8049006
    Abstract: A 7-membered heterocyclic compound having the formula (I), or its salt, or a solvate thereof with a chymase inhibitory action and useful for the prevention or treatment of various diseases, in which chymase is involved: a method for producing the same, and a pharmaceutical composition useful for the prevention or treatment of diseases, in which chymase is involved, including the compound of having the formula (I), or its pharmaceutically acceptable salt, or a solvate thereof are provided.
    Type: Grant
    Filed: May 30, 2007
    Date of Patent: November 1, 2011
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Tsuyoshi Muto, Taisaku Tanaka, Hiroshi Maruoka, Seiichi Imajo, Yoshiaki Tomimori, Koji Sato, Tsutomu Yagi
  • 7-MEMBERED RING COMPOUND AND METHOD OF PRODUCTION AND PHARMACEUTICAL APPLICATION THEREOF
    Publication number: 20110166342
    Abstract: A 7-membered heterocyclic compound having the formula (I), or its salt, or a solvate thereof with a chymase inhibitory action and useful for the prevention or treatment of various diseases, in which chymase is involved: a method for producing the same, and a pharmaceutical composition useful for the prevention or treatment of diseases, in which chymase is involved, including the compound of having the formula (I), or its pharmaceutically acceptable salt, or a solvate thereof are provided.
    Type: Application
    Filed: January 4, 2011
    Publication date: July 7, 2011
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Tsuyoshi Muto, Taisaku Tanaka, Hiroshi Maruoka, Seiichi Imajo, Yoshiaki Tomimori
  • 7-membered ring compound and method of production and pharmaceutical application thereof
    Patent number: 7888348
    Abstract: A 7-membered heterocyclic compound having the formula (I), or its salt, or a solvate thereof with a chymase inhibitory action and useful for the prevention or treatment of various diseases, in which chymase is involved: a method for producing the same, and a pharmaceutical composition useful for the prevention or treatment of diseases, in which chymase is involved, including the compound of having the formula (I), or its pharmaceutically acceptable salt, or a solvate thereof are provided.
    Type: Grant
    Filed: December 1, 2005
    Date of Patent: February 15, 2011
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Tsuyoshi Muto, Taisaku Tanaka, Hiroshi Maruoka, Seiichi Imajo, Yoshiaki Tomimori
  • 7-MEMBERED RING COMPOUND AND METHOD OF PRODUCTION AND PHARMACEUTICAL APPLICATION THEREOF
    Publication number: 20090253683
    Abstract: A 7-membered heterocyclic compound having the formula (I), or its salt, or a solvate thereof with a chymase inhibitory action and useful for the prevention or treatment of various diseases, in which chymase is involved: a method for producing the same, and a pharmaceutical composition useful for the prevention or treatment of diseases, in which chymase is involved, including the compound of having the formula (I), or its pharmaceutically acceptable salt, or a solvate thereof are provided.
    Type: Application
    Filed: May 30, 2007
    Publication date: October 8, 2009
    Applicants: ASUBIO PHARMA CO., LTD, DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Tsuyoshi Muto, Taisaku Tanaka, Hiroshi Maruoka, Seiichi Imajo, Yoshiaki Tomimori, Koji Sato, Tsutomu Yagi
  • 7-membered ring compound and method of production and pharmaceutical application thereof
    Publication number: 20090111796
    Abstract: A 7-membered heterocyclic compound having the formula (I), or its salt, or a solvate thereof with a chymase inhibitory action and useful for the prevention or treatment of various diseases, in which chymase is involved: a method for producing the same, and a pharmaceutical composition useful for the prevention or treatment of diseases, in which chymase is involved, including the compound of having the formula (I), or its pharmaceutically acceptable salt, or a solvate thereof are provided.
    Type: Application
    Filed: December 1, 2005
    Publication date: April 30, 2009
    Inventors: Tsuyoshi Muto, Taisaku Tanaka, Hiroshi Maruoka, Seiichi Imajo, Yoshiaki Tomimori