Patents by Inventor Yuji Nishikimi

Yuji Nishikimi 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: 8470816
    Abstract: The present invention relates to a compound represented by the formula wherein ring A is a nitrogen-containing heterocycle optionally further having substituent(s), ring B is an aromatic ring optionally having substituent(s), ring C is a cyclic group optionally having substituent(s), R1 is a hydrogen atom, a hydrocarbon group optionally having substituent(s), an acyl group, a heterocyclic group optionally having substituent(s) or an amino group optionally having substituent(s), R2 is an optionally halogenated C1-6 alkyl group, m and n are each an integer of 0 to 5, m+n is an integer of 2 to 5, and is a single bond or a double bond, or a salt thereof and the like. Since the compound has a superior tachykinin receptor antagonistic action, and is useful as an agent for the prophylaxis or treatment of various diseases such as lower urinary tract diseases, gastrointestinal diseases, central nervous system diseases and the like.
    Type: Grant
    Filed: December 2, 2008
    Date of Patent: June 25, 2013
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Yoshinori Ikeura, Junya Shirai, Hideyuki Sugiyama, Yuji Nishikimi, Taku Kamei, Nobuki Sakauchi
  • Publication number: 20110112133
    Abstract: A compound represented by the formula (I) wherein A is a benzene ring optionally having substituent(s), R is a hydrogen atom, a hydrocarbon group optionally having substituent(s) or a heterocyclic group optionally having substituent(s), X1 and X2 are each a bond or a divalent C1-5 chain hydrocarbon group optionally having substituent(s), X3 is a methylene group having substituent(s), Y is a bond or the like, and Z is a hydrocarbon group optionally having substituent(s) or the like, or a salt thereof. The compound of the present invention or a salt thereof is useful as an NK receptor antagonist.
    Type: Application
    Filed: November 1, 2010
    Publication date: May 12, 2011
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Kasei Miura, Yuji Nishikimi
  • Publication number: 20090156572
    Abstract: The present invention relates to a compound represented by the formula wherein ring A is a nitrogen-containing heterocycle optionally further having substituent(s), ring B is an aromatic ring optionally having substituent(s), ring C is a cyclic group optionally having substituent(s), R1 is a hydrogen atom, a hydrocarbon group optionally having substituent(s), an acyl group, a heterocyclic group optionally having substituent(s) or an amino group optionally having substituent(s), R2 is an optionally halogenated C1-6 alkyl group, m and n are each an integer of 0 to 5, m+n is an integer of 2 to 5, and is a single bond or a double bond, or a salt thereof and the like. Since the compound has a superior tachykinin receptor antagonistic action, and is useful as an agent for the prophylaxis or treatment of various diseases such as lower urinary tract diseases, gastrointestinal diseases, central nervous system diseases and the like.
    Type: Application
    Filed: December 2, 2008
    Publication date: June 18, 2009
    Inventors: Yoshinori Ikeura, Junya Shirai, Hideyuki Sugiyama, Yuji Nishikimi, Taku Kamei, Nobuki Sakauchi
  • Publication number: 20070254877
    Abstract: The present invention relates to a compound represented by the formula wherein A is a benzene ring optionally having substituents, R1, R2a and R3 are each a hydrogen atom, a hydrocarbon group optionally having substituents or a heterocyclic group optionally having substituents, R1 and R2a may form a ring via X, when R1 and R2a form a ring via X, R1 and R2a are each a bond or a divalent C1-5 acyclic hydrocarbon group optionally having substituents, and X is a bond, an oxygen atom, an optionally oxidized sulfur atom or an imino group optionally having a substituent, provided that R1, R2a and X are not bonds at the same time, or a salt thereof, and an agent for inhibiting kinase (phosphorylation enzyme), which contains this compound or a prodrug thereof. The compound of the present invention has an inhibitory activity against kinase such as a vascular endothelial growth factor receptor (VEGFR) and the like, and is useful as an agent for the prophylaxis or treatment of cancer and the like.
    Type: Application
    Filed: June 1, 2005
    Publication date: November 1, 2007
    Applicant: Takada Pharmaceutical Company Limited
    Inventors: Yuji Nishikimi, Hideto Fukushi, Hiroshi Miki
  • Patent number: 6423869
    Abstract: A compound of the formula (I): wherein R1 represents an amino group which may be substituted; R2 represents a carboxy group which may be esterified or amidated; R3, R4, R5 and R6 each represent a hydroxy group which may be protected; Q represents an aryl group which may be substituted; or a salt thereof is disclosed. The compound (I) possesses ant-Helicobacter pylori activity, and is useful in the prevention or treatment of various diseases associated with Helicobacter bacteria, such as duodenal ulcer, gastric ulcer, chronic gastritis and cancer of the stomach.
    Type: Grant
    Filed: November 1, 1999
    Date of Patent: July 23, 2002
    Assignee: Takeda Chemical Industries, Inc.
    Inventors: Ken-ichiro Miyagawa, Shigetoshi Tsubotani, Masafumi Nakao, Yoshitaka Nakano, Keiji Kamiyama, Motoo Izawa, Yohko Akiyama, Yuji Nishikimi