Patents by Inventor Seiichi Imajo

Seiichi Imajo 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).

  • 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
  • Quinazoline derivatives and pharmaceutical applications thereof
    Patent number: 7169951
    Abstract: A quianazoline derivative having the formula (1): or a pharmaceutically acceptable salt thereof, which has a chymase inhibitory activity and suppresses the exacerbation of vascular permeability induced by chymase and useful as a medicament, and a pharmaceutical composition containing the same as an essential ingredient.
    Type: Grant
    Filed: March 8, 2005
    Date of Patent: January 30, 2007
    Assignee: Daiichi Asubio Pharma Co., Ltd.
    Inventors: Harukazu Fukami, Akiko Ito, Seiichi Imajo
  • Quinazoline derivatives and pharmaceutical applications thereof
    Publication number: 20050148608
    Abstract: A quinazoline derivative having formula (1) and a pharmacrutically acceptable salt thereof: wherein the ring A represents an aryl group. which derivative has a chymase inhibitory activity and suppresses the exacerbation of cascular permeability induced by chymase, and a pharmaceutical composition containing the same as an essential ingredient. These compounds are useful for treatment of allergic diseases, rheumatic diseases, and cardiac and circulatory system diseases which are due to the abnormal exacerbation of Angiotensin II production.
    Type: Application
    Filed: March 8, 2005
    Publication date: July 7, 2005
    Applicant: DAIICHI SUNTORY PHARMA CO., LTD.
    Inventors: Harukazu Fukami, Akiko Ito, Seiichi Imajo
  • Quinazoline derivatives and pharmaceutical applications thereof
    Patent number: 6867214
    Abstract: A quinazoline derivative having formula (1) and a pharmaceutically acceptable salt thereof: wherein the ring A represents an aryl group, which derivative has a chymase inhibitory activity and suppresses the exacerbation of vascular permeability induced by chymase, and a pharmaceutical composition containing the same as an essential ingredient. These compounds are useful for treatment of allergic diseases, rheumatic diseases, and cardiac and circulatory system diseases which are due to the abnormal exacerbation of Angiotensin II production.
    Type: Grant
    Filed: August 20, 1999
    Date of Patent: March 15, 2005
    Assignee: Daiichi Suntory Pharma Co., Ltd.
    Inventors: Harukazu Fukami, Akiko Ito, Seiichi Imajo