Patents by Inventor Keiko Kakegawa

Keiko Kakegawa 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).

  • Publication number: 20180072694
    Abstract: The present invention relates to a condensed heterocyclic compound that has an enteropeptidase inhibitory effect, and use of the compound as a medicament for the treatment or prevention of obesity, diabetes mellitus, or the like. Specifically, the present invention relates to a compound represented by the formula (I) or a salt thereof, and use of the compound as a medicament for the treatment or prevention of obesity, diabetes mellitus, or the like [in the formula, each symbol is as defined in the specification].
    Type: Application
    Filed: March 25, 2016
    Publication date: March 15, 2018
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Keiko Kakegawa, Zenichi IKEDA, Minoru SASAKI, Fumiaki KIKUCHI, Yoichi NISHIKAWA
  • Publication number: 20170349605
    Abstract: The present invention relates to a condensed heterocyclic compound that has an enteropeptidase inhibitory effect and is useful in the treatment or prevention of obesity, diabetes mellitus, or the like, and a medicament containing the same. Specifically, the present invention relates to a compound represented by the following formula (I) or a salt thereof, and a medicament containing the same [in the formula, each symbol is as defined in the specification].
    Type: Application
    Filed: December 24, 2015
    Publication date: December 7, 2017
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Minoru SASAKI, Fumiaki KIKUCHI, Zenichi IKEDA, Keiko KAKEGAWA, Yoichi NISHIKAWA, Shigekazu SASAKI, Koichiro FUKUDA, Kazuaki TAKAMI, Yoshihiro BANNO, Masahiro KAMAURA
  • Publication number: 20160355494
    Abstract: A fused heterocyclic compound having an enteropeptidase inhibitory action and use of the compound as a medicament for treatment or prophylaxis of obesity, diabetes mellitus, etc., are provided. Specifically, a compound represented by the following formula (I): wherein each symbol is as defined herein, or a salt thereof and use of the compound as a medicament for treatment or prophylaxis of obesity, diabetes mellitus, etc., are provided.
    Type: Application
    Filed: February 12, 2015
    Publication date: December 8, 2016
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Minoru SASAKI, Keiko KAKEGAWA, Fumiaki KIKUCHI, Zenichi IKEDA, Yoichi NISHIKAWA
  • Publication number: 20160347724
    Abstract: A fused heterocyclic compound having an enteropeptidase inhibitory action and use of the compound as a medicament for treatment or prophylaxis of obesity, diabetes mellitus, etc., are provided. Specifically, a compound represented by the following formula (I): wherein each symbol is as defined herein, or a salt thereof and use of the compound as a medicament for treatment or prophylaxis of obesity, diabetes mellitus, etc., are provided.
    Type: Application
    Filed: February 12, 2015
    Publication date: December 1, 2016
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Zenichi IKEDA, Minoru SASAKI, Keiko KAKEGAWA, Fumiaki KIKUCHI, Yoichi NISHIKAWA
  • Patent number: 9428470
    Abstract: A fused heterocyclic compound having an enteropeptidase inhibitory action and use of the compound as a medicament for treatment or prophylaxis of obesity, diabetes mellitus, etc., are provided. Specifically, a compound represented by the following formula (I): wherein each symbol is as defined herein, or a salt thereof and use of the compound as a medicament for treatment or prophylaxis of obesity, diabetes mellitus, etc., are provided.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: August 30, 2016
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Zenichi Ikeda, Minoru Sasaki, Keiko Kakegawa, Fumiaki Kikuchi, Yoichi Nishikawa
  • Patent number: 9365540
    Abstract: The present invention provides an aromatic ring compound having a melanin-concentrating hormone receptor antagonistic action and useful as an agent for the prophylaxis or treatment of obesity and the like. The present invention relates to a compound represented by the formula wherein each symbol as defined in the specification, or a salt thereof.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: June 14, 2016
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Shizuo Kasai, Hideyuki Igawa, Masashi Takahashi, Tsuyoshi Maekawa, Keiko Kakegawa, Asato Kina, Jumpei Aida, Uttam Khamrai, Mrinalkanti Kundu
  • Patent number: 9346776
    Abstract: A fused heterocyclic compound having an enteropeptidase inhibitory action and use of the compound as a medicament for treatment or prophylaxis of obesity, diabetes mellitus, etc., are provided. Specifically, a compound represented by the following formula (I): wherein each symbol is as defined herein, or a salt thereof and use of the compound as a medicament for treatment or prophylaxis of obesity, diabetes mellitus, etc., are provided.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: May 24, 2016
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Zenichi Ikeda, Minoru Sasaki, Keiko Kakegawa, Fumiaki Kikuchi, Yoichi Nishikawa
  • Patent number: 9199963
    Abstract: Provided is a compound having a melanin-concentrating hormone receptor antagonistic action and is useful as an agent for the prophylaxis or treatment of obesity and the like. A compound represented by the formula (I): wherein each symbol is as defined in the specification, or a salt thereof.
    Type: Grant
    Filed: July 8, 2014
    Date of Patent: December 1, 2015
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Hideyuki Igawa, Masashi Takahashi, Keiko Kakegawa, Minoru Ikoma, Jumpei Aida
  • Publication number: 20150225354
    Abstract: A fused heterocyclic compound having an enteropeptidase inhibitory action and use of the compound as a medicament for treatment or prophylaxis of obesity, diabetes mellitus, etc., are provided. Specifically, a compound represented by the following formula (I): wherein each symbol is as defined herein, or a salt thereof and use of the compound as a medicament for treatment or prophylaxis of obesity, diabetes mellitus, etc., are provided.
    Type: Application
    Filed: February 11, 2015
    Publication date: August 13, 2015
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Zenichi Ikeda, Minoru Sasaki, Keiko Kakegawa, Fumiaki Kikuchi, Yoichi Nishikawa
  • Publication number: 20150225361
    Abstract: A fused heterocyclic compound having an enteropeptidase inhibitory action and use of the compound as a medicament for treatment or prophylaxis of obesity, diabetes mellitus, etc., are provided. Specifically, a compound represented by the following formula (I): wherein each symbol is as defined herein, or a salt thereof and use of the compound as a medicament for treatment or prophylaxis of obesity, diabetes mellitus, etc., are provided.
    Type: Application
    Filed: February 11, 2015
    Publication date: August 13, 2015
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Zenichi Ikeda, Minoru Sasaki, Keiko Kakegawa, Fumiaki Kikuchi, Yoichi Nishikawa
  • Publication number: 20150018363
    Abstract: The present invention provides an aromatic ring compound having a melanin-concentrating hormone receptor antagonistic action and useful as an agent for the prophylaxis or treatment of obesity and the like. The present invention relates to a compound represented by the formula wherein each symbol as defined in the specification, or a salt thereof.
    Type: Application
    Filed: January 11, 2013
    Publication date: January 15, 2015
    Inventors: Shizuo Kasai, Hideyuki Igawa, Masashi Takahashi, Tsuyoshi Maekawa, Keiko Kakegawa, Tsuneo Yasuma, Asato Kina, Jumpei Aida, Uttam Khamrai, Mrinalkanti Kundu
  • Publication number: 20150018373
    Abstract: Provided is a compound having a melanin-concentrating hormone receptor antagonistic action and is useful as an agent for the prophylaxis or treatment of obesity and the like. A compound represented by the formula (I): wherein each symbol is as defined in the specification, or a salt thereof.
    Type: Application
    Filed: July 8, 2014
    Publication date: January 15, 2015
    Inventors: Hideyuki IGAWA, Masashi TAKAHASHI, Keiko KAKEGAWA, Minoru IKOMA, Jumpei AIDA