Patents by Inventor Haruyuki Nishida

Haruyuki Nishida 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: 20110172275
    Abstract: The present invention relates to a compound represented by the formula: wherein A is pyridyl group having at least one substituent wherein R1, R2 and R3 are each a hydrogen atom, a halogen atom, a C1-6 alkyl group optionally substituted by halogen or a C1-6 alkoxy group optionally substituted by halogen, R4 and R6 are each a hydrogen atom, a halogen atom or a C1-6 alkyl group optionally substituted by halogen, R5 is a hydrogen atom, a halogen atom, a C1-6 alkyl group optionally substituted by halogen or a C1-6 alkoxy group optionally substituted by halogen, and R7 is a hydrogen atom or a C1-6 alkyl group optionally substituted by halogen or a salt thereof, or a pharmaceutical composition containing the same.
    Type: Application
    Filed: August 26, 2009
    Publication date: July 14, 2011
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Haruyuki Nishida, Yasuyoshi Arikawa, Ikuo Fujimori
  • Patent number: 7977488
    Abstract: The present invention provides a compound having a superior acid secretion inhibitory effect and showing an antiulcer activity and the like. The present invention provides a compound represented by the formula (I) wherein R1 is a nitrogen-containing monocyclic heterocyclic group optionally condensed with a benzene ring or a heterocycle, the nitrogen-containing monocyclic heterocyclic group optionally condensed with a benzene ring or a heterocycle optionally has substituent(s), R2 is an optionally substituted C6-14 aryl group, an optionally substituted thienyl group or an optionally substituted pyridyl group, R3 and R4 are each a hydrogen atom, or one of R3 and R4 is a hydrogen atom and the other is an optionally substituted lower alkyl group, an acyl group, a halogen atom, a cyano group or a nitro group, and R5 is an alkyl group or a salt thereof.
    Type: Grant
    Filed: August 29, 2006
    Date of Patent: July 12, 2011
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Masahiro Kajino, Atsushi Hasuoka, Haruyuki Nishida
  • Publication number: 20110144161
    Abstract: The present invention provides a compound having a superior acid secretion inhibitory effect and showing an antiulcer activity and the like. The present invention provides a compound represented by the formula (I) wherein R1 is a nitrogen-containing monocyclic heterocyclic group optionally condensed with a benzene ring or a heterocycle, the nitrogen-containing monocyclic heterocyclic group optionally condensed with a benzene ring or a heterocycle optionally has substituent(s), R2 is an optionally substituted C6-14 aryl group, an optionally substituted thienyl group or an optionally substituted pyridyl group, R3 and R4 are each a hydrogen atom, or one of R3 and R4 is a hydrogen atom and the other is an optionally substituted lower alkyl group, an acyl group, a halogen atom, a cyano group or a nitro group, and R5 is an alkyl group or a salt thereof.
    Type: Application
    Filed: March 1, 2011
    Publication date: June 16, 2011
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Masahiro Kajino, Atsushi Hasuoka, Haruyuki Nishida
  • Publication number: 20100210696
    Abstract: Provided is a compound having a superior acid secretion suppressive action, which shows an antiulcer activity and the like.
    Type: Application
    Filed: September 24, 2008
    Publication date: August 19, 2010
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Haruyuki Nishida, Yasuyoshi Arikawa, Keizo Hirase
  • Publication number: 20100056577
    Abstract: The present invention relates to a compound represented by the formula: wherein A is pyridyl group having at least one substituent wherein R1, R2 and R3 are each a hydrogen atom, a halogen atom, a C1-6 alkyl group optionally substituted by halogen or a C1-6 alkoxy group optionally substituted by halogen, R4 and R6 are each a hydrogen atom, a halogen atom or a C1-6 alkyl group optionally substituted by halogen, R5 is a hydrogen atom, a halogen atom, a C1-6 alkyl group optionally substituted by halogen or a C1-6 alkoxy group optionally substituted by halogen, and R7 is a hydrogen atom or a C1-6 alkyl group optionally substituted by halogen or a salt thereof, or a pharmaceutical composition containing the same.
    Type: Application
    Filed: August 26, 2009
    Publication date: March 4, 2010
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Haruyuki Nishida, Yasuyoshi Arikawa, Ikuo Fujimori
  • Publication number: 20090275591
    Abstract: The present invention provides a compound having a superior acid secretion inhibitory effect and showing an antiulcer activity and the like. The present invention provides a compound represented by the formula (I) wherein R1 is a nitrogen-containing monocyclic heterocyclic group optionally condensed with a benzene ring or a heterocycle, the nitrogen-containing monocyclic heterocyclic group optionally condensed with a benzene ring or a heterocycle optionally has substituent(s), R2 is an optionally substituted C6-14 aryl group, an optionally substituted thienyl group or an optionally substituted pyridyl group, R3 and R4 are each a hydrogen atom, or one of R3 and R4 is a hydrogen atom and the other is an optionally substituted lower alkyl group, an acyl group, a halogen atom, a cyano group or a nitro group, and R5 is an alkyl group or a salt thereof.
    Type: Application
    Filed: August 29, 2006
    Publication date: November 5, 2009
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMTED
    Inventors: Masahiro Kajino, Atsushi Hasuoka, Haruyuki Nishida
  • Publication number: 20090156642
    Abstract: The present invention provides 5-membered heterocycle compounds represented by the following general formula (I): The present compounds have a superior acid secretion inhibitory effect, and shows an antiulcer activity and the like.
    Type: Application
    Filed: September 24, 2008
    Publication date: June 18, 2009
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Haruyuki Nishida, Yasuyoshi Arikawa, Keizo Hirase
  • Publication number: 20090143444
    Abstract: The present invention provides a compound having a superior acid secretion inhibitory effect and showing an antiulcer activity and the like. The present invention provides a compound represented by the formula (I) wherein R1 is a nitrogen-containing monocyclic heterocyclic group optionally condensed with a benzene ring or a heterocycle, the nitrogen-containing monocyclic heterocyclic group optionally condensed with a benzene ring or a heterocycle optionally has substituent(s), R2 is an optionally substituted C6-14 aryl group, an optionally substituted thienyl group or an optionally substituted pyridyl group, R3 and R4 are each a hydrogen atom, or one of R3 and R4 is a hydrogen atom and the other is an optionally substituted lower alkyl group, an acyl group, a halogen atom, a cyano group or a nitro group, and R5 is an alkyl group or a salt thereof.
    Type: Application
    Filed: January 26, 2009
    Publication date: June 4, 2009
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Masahiro Kajino, Atsushi Hasuoka, Haruyuki Nishida
  • Publication number: 20090118335
    Abstract: The present invention provides a compound having a superior acid secretion inhibitory action, an antiulcer activity and the like.
    Type: Application
    Filed: March 30, 2007
    Publication date: May 7, 2009
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Atsushi Hasuoka, Terufumi Takagi, Masahiro Kajino, Haruyuki Nishida
  • Patent number: 7498337
    Abstract: The present invention provides a compound having a superior acid secretion inhibitory effect and showing an antiulcer activity and the like. The present invention provides a compound represented by the formula (I) wherein R1 is a nitrogen-containing monocyclic heterocyclic group optionally condensed with a benzene ring or a heterocycle, the nitrogen-containing monocyclic heterocyclic group optionally condensed with a benzene ring or a heterocycle optionally has substituent(s), R2 is an optionally substituted C6-14 aryl group, an optionally substituted thienyl group or an optionally substituted pyridyl group, R3 and R4 are each a hydrogen atom, or one of R3 and R4 is a hydrogen atom and the other is an optionally substituted lower alkyl group, an acyl group, a halogen atom, a cyano group or a nitro group, and R5 is an alkyl group or a salt thereof.
    Type: Grant
    Filed: August 29, 2006
    Date of Patent: March 3, 2009
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Masahiro Kajino, Atsushi Hasuoka, Haruyuki Nishida
  • Publication number: 20080262042
    Abstract: The present invention provides a compound having a superior acid secretion inhibitory effect and showing an antiulcer activity, which is represented by the formula (I) wherein R1 is an optionally substituted cyclic group, R2 is a substituent, R3 is an optionally substituted alkyl group, an acyl group, an optionally substituted hydroxy group, an optionally substituted amino group, a halogen atom, a cyano group or a nitro group, R4 and R5 are each a hydrogen atom, an optionally substituted alkyl group, an acyl group, an optionally substituted hydroxy group, an optionally substituted amino group, a halogen atom, a cyano group or a nitro group, R6 and R6? are each a hydrogen atom or an alkyl group, and n is an integer of 0-3, or a salt thereof.
    Type: Application
    Filed: February 26, 2008
    Publication date: October 23, 2008
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Masahiro Kajino, Haruyuki Nishida, Yasuyoshi Arikawa, Keizo Hirase, Koji Ono
  • Publication number: 20070060623
    Abstract: The present invention provides a compound having a superior acid secretion inhibitory effect and showing an antiulcer activity and the like. The present invention provides a compound represented by the formula (I) wherein R1 is a nitrogen-containing monocyclic heterocyclic group optionally condensed with a benzene ring or a heterocycle, the nitrogen-containing monocyclic heterocyclic group optionally condensed with a benzene ring or a heterocycle optionally has substituent(s), R2 is an optionally substituted C6-14 aryl group, an optionally substituted thienyl group or an optionally substituted pyridyl group, R3 and R4 are each a hydrogen atom, or one of R3 and R4 is a hydrogen atom and the other is an optionally substituted lower alkyl group, an acyl group, a halogen atom, a cyano group or a nitro group, and R5 is an alkyl group or a salt thereof.
    Type: Application
    Filed: August 29, 2006
    Publication date: March 15, 2007
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Masahiro Kajino, Atsushi Hasuoka, Haruyuki Nishida
  • Publication number: 20060142337
    Abstract: The present invention provides a compound represented by the formula: wherein Ar is an aryl group optionally having substituents, R is a C1-6 alkyl group, R1 is a hydrogen atom, a hydrocarbon group optionally having substituents, an acyl group or a heterocyclic group optionally having substituents, X is an oxygen atom or an imino group optionally having substituents, ring A is a piperidine ring optionally further having substituents, and ring B is a benzene ring having substituents, or a salt thereof, and an agent for the prophylaxis or treatment of lower urinary tract abnormality and the like, which contains the compound.
    Type: Application
    Filed: February 22, 2006
    Publication date: June 29, 2006
    Inventors: Yoshinori Ikeura, Tadatoshi Hashimoto, Haruyuki Nishida, Junya Shirai, Nobuki Sakauchi