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).
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Publication number: 20110172275Abstract: 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: ApplicationFiled: August 26, 2009Publication date: July 14, 2011Applicant: Takeda Pharmaceutical Company LimitedInventors: Haruyuki Nishida, Yasuyoshi Arikawa, Ikuo Fujimori
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Patent number: 7977488Abstract: 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: GrantFiled: August 29, 2006Date of Patent: July 12, 2011Assignee: Takeda Pharmaceutical Company LimitedInventors: Masahiro Kajino, Atsushi Hasuoka, Haruyuki Nishida
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Publication number: 20110144161Abstract: 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: ApplicationFiled: March 1, 2011Publication date: June 16, 2011Applicant: Takeda Pharmaceutical Company LimitedInventors: Masahiro Kajino, Atsushi Hasuoka, Haruyuki Nishida
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Publication number: 20100210696Abstract: Provided is a compound having a superior acid secretion suppressive action, which shows an antiulcer activity and the like.Type: ApplicationFiled: September 24, 2008Publication date: August 19, 2010Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITEDInventors: Haruyuki Nishida, Yasuyoshi Arikawa, Keizo Hirase
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Publication number: 20100056577Abstract: 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: ApplicationFiled: August 26, 2009Publication date: March 4, 2010Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITEDInventors: Haruyuki Nishida, Yasuyoshi Arikawa, Ikuo Fujimori
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Publication number: 20090275591Abstract: 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: ApplicationFiled: August 29, 2006Publication date: November 5, 2009Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMTEDInventors: Masahiro Kajino, Atsushi Hasuoka, Haruyuki Nishida
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Publication number: 20090156642Abstract: 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: ApplicationFiled: September 24, 2008Publication date: June 18, 2009Applicant: Takeda Pharmaceutical Company LimitedInventors: Haruyuki Nishida, Yasuyoshi Arikawa, Keizo Hirase
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Publication number: 20090143444Abstract: 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: ApplicationFiled: January 26, 2009Publication date: June 4, 2009Applicant: Takeda Pharmaceutical Company LimitedInventors: Masahiro Kajino, Atsushi Hasuoka, Haruyuki Nishida
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Publication number: 20090118335Abstract: The present invention provides a compound having a superior acid secretion inhibitory action, an antiulcer activity and the like.Type: ApplicationFiled: March 30, 2007Publication date: May 7, 2009Applicant: Takeda Pharmaceutical Company LimitedInventors: Atsushi Hasuoka, Terufumi Takagi, Masahiro Kajino, Haruyuki Nishida
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Patent number: 7498337Abstract: 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: GrantFiled: August 29, 2006Date of Patent: March 3, 2009Assignee: Takeda Pharmaceutical Company LimitedInventors: Masahiro Kajino, Atsushi Hasuoka, Haruyuki Nishida
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Publication number: 20080262042Abstract: 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: ApplicationFiled: February 26, 2008Publication date: October 23, 2008Applicant: Takeda Pharmaceutical Company LimitedInventors: Masahiro Kajino, Haruyuki Nishida, Yasuyoshi Arikawa, Keizo Hirase, Koji Ono
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Publication number: 20070060623Abstract: 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: ApplicationFiled: August 29, 2006Publication date: March 15, 2007Applicant: Takeda Pharmaceutical Company LimitedInventors: Masahiro Kajino, Atsushi Hasuoka, Haruyuki Nishida
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Publication number: 20060142337Abstract: 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: ApplicationFiled: February 22, 2006Publication date: June 29, 2006Inventors: Yoshinori Ikeura, Tadatoshi Hashimoto, Haruyuki Nishida, Junya Shirai, Nobuki Sakauchi