Patents by Inventor Takao Kiyoi
Takao Kiyoi 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: 20230097964Abstract: Provided herein are novel compounds having an inhibitory effect on the activation of a STING pathway. The provided compounds are 1,2-diaminobenzimidazole derivatives represented by a compound formula (I) or a pharmaceutically acceptable salt thereof: wherein A1, A2, R1, R2, R3, R4, and R5 are defined in the specification.Type: ApplicationFiled: July 21, 2022Publication date: March 30, 2023Inventors: Hirokazu MATSUMOTO, Takao KIYOI, Shiori TAKAMATSU, Masaaki SAWA
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Patent number: 10793575Abstract: An oxoisoquinoline compound of the following formula: or a pharmaceutically acceptable salt thereof; a pharmaceutical composition comprising the oxoisoquinoline compound or salt; and a method for treating B-cell lymphoma comprising administering the oxoisoquinoline compound or salt to a patient.Type: GrantFiled: November 24, 2017Date of Patent: October 6, 2020Assignee: CARNA BIOSCIENCES, INC.Inventors: Wataru Kawahata, Takao Kiyoi, Takayuki Irie, Tokiko Asami, Masaaki Sawa, Shigeki Kashimoto
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Publication number: 20190359616Abstract: The present invention provides with an oxoisoquinoline derivative represented by the formula (I) (in the formula, Q and R1 are as defined in the description) or a pharmaceutically acceptable salt thereof, which is useful as a Bruton's kinase inhibitor for treating cancer, B-cell lymphoma, chronic lymphocytic leukemia and the like.Type: ApplicationFiled: November 24, 2017Publication date: November 28, 2019Applicant: CARNA BIOSCIENCES, INC.Inventors: Wataru KAWAHATA, Takao KIYOI, Takayuki IRIE, Tokiko ASAMI, Masaaki SAWA, Shigeki KASHIMOTO
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Patent number: 9656995Abstract: The purpose of the present invention is to provide a novel triazine derivative of the formula (I): wherein R1 represents a substituted or unsubstituted lower alkyl group, R2 represents a hydrogen atom or a substituted or unsubstituted lower alkyl group, A represents a nitrogen atom or C—R3, R3 represents a hydrogen atom, a cyano group, a substituted or unsubstituted acyl group, a substituted or unsubstituted sulfonyl group, or a substituted or unsubstituted carbamoyl group, and R4 represents a substituted or unsubstituted lower alkyl group, or a substituted or unsubstituted cycloalkyl group, or a pharmaceutically acceptable salt thereof.Type: GrantFiled: July 15, 2014Date of Patent: May 23, 2017Assignee: CARNA BIOSCIENCES, INC.Inventors: Wataru Kawahata, Tokiko Asami, Masaaki Sawa, Yuko Asamitsu, Takayuki Irie, Takahiro Miyake, Takao Kiyoi
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Publication number: 20160168122Abstract: The purpose of the present invention is to provide a novel triazine derivative of the formula (I): wherein R1 represents a substituted or unsubstituted lower alkyl group, R2 represents a hydrogen atom or a substituted or unsubstituted lower alkyl group, A represents a nitrogen atom or C—R3, R3 represents a hydrogen atom, a cyano group, a substituted or unsubstituted acyl group, a substituted or unsubstituted sulfonyl group, or a substituted or unsubstituted carbamoyl group, and R4 represents a substituted or unsubstituted lower alkyl group, or a substituted or unsubstituted cycloalkyl group, or a pharmaceutically acceptable salt thereof.Type: ApplicationFiled: July 15, 2014Publication date: June 16, 2016Inventors: Wataru KAWAHATA, Tokiko ASAMI, Masaaki SAWA, Yuko ASAMITSU, Takayuki IRIE, Takahiro MIYAKE, Takao KIYOI
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Publication number: 20150011751Abstract: To provide a novel triazine derivative represented by the following formula (I): A triazine derivative represented by the following formula (I): wherein R1 represents a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic ring, a substituted or unsubstituted heterocyclic fused ring, or a substituted or unsubstituted alkynyl group, R2 represents a hydrogen atom, a halogen atom, a substituted or unsubstituted lower alkyl group, or a substituted or unsubstituted alkoxy group, R3 represents a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic ring, or a substituted or unsubstituted heterocyclic fused ring, R4 represents a hydrogen atom, a substituted or unsubstituted lower alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted amino group, or a halogen atom, and R5 represents a hydrogen atom, a substituted or unsubstituted lower alkyl group, or R1 and R5 may be combined to form a saturated or unsaturateType: ApplicationFiled: March 7, 2013Publication date: January 8, 2015Inventors: Wataru Kawahata, Tokiko Asami, Masaaki Sawa, Yuko Asamitsu, Takayuki Irie, Takahiro Miyake, Takao Kiyoi
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Patent number: 8729274Abstract: The present invention relates to a tricyclic heterocyclic derivative according to Formula (I), wherein the variables are defined as in the specification, or to a pharmaceutically acceptable salt or solvate thereof. The present invention also relates to pharmaceutical compositions comprising said tricyclic heterocyclic derivatives and to their use in therapy, for instance in the treatment or prevention of serotonin mediated disorders, such as obesity.Type: GrantFiled: March 9, 2010Date of Patent: May 20, 2014Assignee: Merck Sharp & Dohme B.V.Inventors: Keneth Davies, Takao Kiyoi, Ashvinkumar Dhirubhai Mistry, Peter Christopher Ray, Mark Reid, Grant Wishart
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Publication number: 20120232122Abstract: The present invention relates to a tricyclic heterocyclic derivative according to Formula (I), wherein the variables are defined as in the specification, or to a pharmaceutically acceptable salt or solvate thereof. The present invention also relates to pharmaceutical compositions comprising said tricyclic heterocyclic derivatives and to their use in therapy, for instance in the treatment or prevention of serotonin mediated disorders, such as obesity.Type: ApplicationFiled: March 9, 2010Publication date: September 13, 2012Inventors: Keneth Davies, Takao Kiyoi, Ashvinkumar Dhirubhai Mistry, Peter Christopher Ray, Mark Reid, Grant Wishart
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Publication number: 20100210680Abstract: The present invention relates to a tricyclic heterocyclic derivative of Formula (I) wherein the variables are as defined in the specification. The present invention further relates to pharmaceutical compositions comprising these compounds and to their use in therapy, in particular for the treatment of serotonin-mediated disorders such as obesity, schizophrenia and cognitive dysfunction.Type: ApplicationFiled: September 15, 2008Publication date: August 19, 2010Inventors: Simon James Anthony Grove, Takao Kiyoi, Ashvinkumar Dhirubhai Mistry, Peter Christopher Ray, Grant Wishart
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Patent number: 7763732Abstract: Disclosed herein are indole derivatives of the formula (I) wherein each of the substitutents is given the definition as set forth in the specification and claims. Also disclosed are pharmaceutical compositions containing the indole derivatives and use of the derivatives for the treatment of pain.Type: GrantFiled: August 18, 2006Date of Patent: July 27, 2010Assignee: N.V. OrganonInventors: Paul David Ratcliffe, Julia Adam-Worrall, Angus John Morrison, Stuart John Francis, Takao Kiyoi
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Patent number: 7700634Abstract: Disclosed herein are indole derivatives of the formula (I) wherein each of the substitutents is given the definition as set forth in the specification and claims. Also disclosed are pharmaceutical compositions containing the indole derivatives and use of the derivatives for the treatment of pain.Type: GrantFiled: February 28, 2005Date of Patent: April 20, 2010Assignee: N.V. OrganonInventors: Julia Adam-Worrall, Angus John Morrison, Grant Wishart, Takao Kiyoi, Duncan Robert McArthur
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Publication number: 20070142446Abstract: Disclosed herein are indole derivatives of the formula (I) wherein each of the substitutents is given the definition as set forth in the specification and claims. Also disclosed are pharmaceutical compositions containing the indole derivatives and use of the derivatives for the treatment of pain.Type: ApplicationFiled: February 28, 2005Publication date: June 21, 2007Inventors: Julia Adam-Worrall, Angus Morrison, Grant Wishart, Takao Kiyoi, Duncan McArthur
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Publication number: 20070082931Abstract: Disclosed herein are indole derivatives of the formula (I) wherein each of the substitutents is given the definition as set forth in the specification and claims. Also disclosed are pharmaceutical compositions containing the indole derivatives and use of the derivatives for the treatment of pain.Type: ApplicationFiled: August 18, 2006Publication date: April 12, 2007Applicant: AKZO NOBLE N.V.Inventors: Paul Ratcliffe, Julia Adam-Worrall, Angus Morrison, Stuart Francis, Takao Kiyoi
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Patent number: 5919769Abstract: A compound of the formula (I): ##STR1## wherein X.sup.1 is a group of one of the following formulae (1), (2) and (3): ##STR2## R.sup.1 is a branched long chain alkyl group, R.sup.2 is --CONHR.sup.3, a carboxyl group or a hydrogen atom, n is an integer of 0, 1 or 2, and R.sup.3 is a lower alkyl group or a phenyl group, or a pharmaceutically acceptable salt thereof, which is useful as a selectin inhibitor, and can be used in the prophylaxis or treatment of various inflammatory diseases such as inflammatory dermatitis (e.g., atopic dermatitis, contact hypersensitivity, photodermatosis, etc.), autoimmune chronic diseases (e.g. rheumatoid arthritis, chronic thyroiditis, etc.), and ischemia-reperfusion injury.Type: GrantFiled: April 22, 1998Date of Patent: July 6, 1999Assignee: Kanebo, LtdInventors: Takahiro Tsukida, Takao Kiyoi, Toshio Achiha, Hideki Moriyama, Kiriko Kurokawa, Hiroshi Ohmoto, Kenji Nakamura, Hirosato Kondo, Yukihisa Wada, Tadayuki Saito