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: 20230265104
    Abstract: A compound of the formula (I): wherein each symbol is as defined in the DESCRIPTION, or a pharmaceutically acceptable salt thereof has a superior inhibitory activity on cancer cell proliferation.
    Type: Application
    Filed: July 16, 2021
    Publication date: August 24, 2023
    Applicant: PRISM BIOLAB CO., LTD.
    Inventors: Hajime TAKASHIMA, Eiji HONDA, Tomonori TAGURI, Jun OZAWA, Haruyuki NISHIDA, Yoichiro HIROSE, Keisuke KIMURA
  • Patent number: 8993598
    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: Grant
    Filed: October 1, 2013
    Date of Patent: March 31, 2015
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Haruyuki Nishida, Yasuyoshi Arikawa, Ikuo Fujimori
  • Patent number: 8969387
    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: Grant
    Filed: August 26, 2009
    Date of Patent: March 3, 2015
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Haruyuki Nishida, Yasuyoshi Arikawa, Ikuo Fujimori
  • Patent number: 8933105
    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: Grant
    Filed: February 26, 2008
    Date of Patent: January 13, 2015
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Masahiro Kajino, Haruyuki Nishida, Yasuyoshi Arikawa, Keizo Hirase, Koji Ono
  • Patent number: 8895588
    Abstract: Provided is a compound having a superior acid secretion suppressive action, antiulcer activity and the like. A compound represented by the formula wherein R1 is a substituent, R2 is (i) a hydrogen atom, (ii) a C1-6 alkyl group optionally having a halogen atom or (iii) a cyano group, R3 is (i) a hydrogen atom, (ii) a halogen atom, (iii) a cyano group, (iv) a C1-6 alkyl group optionally having a halogen atom or a C1-6 alkoxy group optionally having a halogen atom, one of R2 and R3 is a hydrogen atom, and the other is a substituent other than a hydrogen atom, or a salt thereof.
    Type: Grant
    Filed: March 25, 2010
    Date of Patent: November 25, 2014
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Haruyuki Nishida, Ikuo Fujimori
  • Patent number: 8686010
    Abstract: The present invention provides a compound having a superior acid secretion inhibitory action, an antiulcer activity and the like.
    Type: Grant
    Filed: August 5, 2011
    Date of Patent: April 1, 2014
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Atsushi Hasuoka, Terufumi Takagi, Haruyuki Nishida
  • Publication number: 20140031393
    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: October 1, 2013
    Publication date: January 30, 2014
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Haruyuki Nishida, Yasuyoshi Arikawa, Ikuo Fujimori
  • Patent number: 8592597
    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: Grant
    Filed: August 26, 2009
    Date of Patent: November 26, 2013
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Haruyuki Nishida, Yasuyoshi Arikawa, Ikuo Fujimori
  • Patent number: 8436187
    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: June 8, 2011
    Date of Patent: May 7, 2013
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Masahiro Kajino, Atsushi Hasuoka, Haruyuki Nishida
  • Patent number: 8415368
    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: January 26, 2009
    Date of Patent: April 9, 2013
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Masahiro Kajino, Atsushi Hasuoka, Haruyuki Nishida
  • Patent number: 8338461
    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: March 1, 2011
    Date of Patent: December 25, 2012
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Masahiro Kajino, Atsushi Hasuoka, Haruyuki Nishida
  • Patent number: 8338462
    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 pup, 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: June 8, 2011
    Date of Patent: December 25, 2012
    Assignee: Takeda Pharmaceuticals Company Limited
    Inventors: Masahiro Kajino, Atsushi Hasuoka, Haruyuki Nishida
  • Patent number: 8334301
    Abstract: Provided is a compound having a superior acid secretion suppressive action, which shows an antiulcer activity and the like.
    Type: Grant
    Filed: September 24, 2008
    Date of Patent: December 18, 2012
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Haruyuki Nishida, Yasuyoshi Arikawa, Keizo Hirase
  • Patent number: 8299261
    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: June 8, 2011
    Date of Patent: October 30, 2012
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Masahiro Kajino, Atsushi Hasuoka, Haruyuki Nishida
  • Publication number: 20120095057
    Abstract: Provided is a compound having a superior acid secretion suppressive action, antiulcer activity and the like. A compound represented by the formula wherein R1 is a substituent, R2 is (i) a hydrogen atom, (ii) a C1-6 alkyl group optionally having a halogen atom or (iii) a cyano group, R3 is (i) a hydrogen atom, (ii) a halogen atom, (iii) a cyano group, (iv) a C1-6 alkyl group optionally having a halogen atom or (v) a C1-6 alkoxy group optionally having a halogen atom, one of R2 and R3 is a hydrogen atom, and the other is a substituent other than a hydrogen atom, or a salt thereof.
    Type: Application
    Filed: March 25, 2010
    Publication date: April 19, 2012
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Haruyuki Nishida, Ikuo Fujimori
  • Publication number: 20120088797
    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 pup, 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: June 8, 2011
    Publication date: April 12, 2012
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Masahiro KAJINO, Atsushi HASUOKA, Haruyuki NISHIDA
  • Publication number: 20110301173
    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: June 8, 2011
    Publication date: December 8, 2011
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Masahiro Kajino, Atsushi Hasuoka, Haruyuki Nishida
  • Publication number: 20110301174
    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 pup, 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: June 8, 2011
    Publication date: December 8, 2011
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Masahiro Kajino, Atsushi Hasuoka, Haruyuki Nishida
  • Publication number: 20110288040
    Abstract: The present invention provides a compound having a superior acid secretion inhibitory action, an antiulcer activity and the like.
    Type: Application
    Filed: August 5, 2011
    Publication date: November 24, 2011
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Atsushi Hasuoka, Terufumi Takagi, Masahiro Kajino, Haruyuki Nishida
  • Patent number: 7994205
    Abstract: The present invention provides an aryl- or heteroaryl compound represented by the formula (Ia) or (Ib) wherein each symbol is as defined in the specification, or a salt thereof, or a pharmaceutical composition comprising the compound and a pharmaceutically acceptable carrier. The compound has superior acid secretion inhibitory action, an antiulcer activity and the like.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: August 9, 2011
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Atsushi Hasuoka, Terufumi Takagi, Haruyuki Nishida