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).

  • Publication number: 20230097964
    Abstract: 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: Application
    Filed: July 21, 2022
    Publication date: March 30, 2023
    Inventors: Hirokazu MATSUMOTO, Takao KIYOI, Shiori TAKAMATSU, Masaaki SAWA
  • Patent number: 10793575
    Abstract: 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: Grant
    Filed: November 24, 2017
    Date of Patent: October 6, 2020
    Assignee: CARNA BIOSCIENCES, INC.
    Inventors: Wataru Kawahata, Takao Kiyoi, Takayuki Irie, Tokiko Asami, Masaaki Sawa, Shigeki Kashimoto
  • Publication number: 20190359616
    Abstract: 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: Application
    Filed: November 24, 2017
    Publication date: November 28, 2019
    Applicant: CARNA BIOSCIENCES, INC.
    Inventors: Wataru KAWAHATA, Takao KIYOI, Takayuki IRIE, Tokiko ASAMI, Masaaki SAWA, Shigeki KASHIMOTO
  • Patent number: 9656995
    Abstract: 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: Grant
    Filed: July 15, 2014
    Date of Patent: May 23, 2017
    Assignee: CARNA BIOSCIENCES, INC.
    Inventors: Wataru Kawahata, Tokiko Asami, Masaaki Sawa, Yuko Asamitsu, Takayuki Irie, Takahiro Miyake, Takao Kiyoi
  • Publication number: 20160168122
    Abstract: 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: Application
    Filed: July 15, 2014
    Publication date: June 16, 2016
    Inventors: Wataru KAWAHATA, Tokiko ASAMI, Masaaki SAWA, Yuko ASAMITSU, Takayuki IRIE, Takahiro MIYAKE, Takao KIYOI
  • Publication number: 20150011751
    Abstract: 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 unsaturate
    Type: Application
    Filed: March 7, 2013
    Publication date: January 8, 2015
    Inventors: Wataru Kawahata, Tokiko Asami, Masaaki Sawa, Yuko Asamitsu, Takayuki Irie, Takahiro Miyake, Takao Kiyoi
  • Patent number: 8729274
    Abstract: 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: Grant
    Filed: March 9, 2010
    Date of Patent: May 20, 2014
    Assignee: Merck Sharp & Dohme B.V.
    Inventors: Keneth Davies, Takao Kiyoi, Ashvinkumar Dhirubhai Mistry, Peter Christopher Ray, Mark Reid, Grant Wishart
  • Publication number: 20120232122
    Abstract: 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: Application
    Filed: March 9, 2010
    Publication date: September 13, 2012
    Inventors: Keneth Davies, Takao Kiyoi, Ashvinkumar Dhirubhai Mistry, Peter Christopher Ray, Mark Reid, Grant Wishart
  • Publication number: 20100210680
    Abstract: 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: Application
    Filed: September 15, 2008
    Publication date: August 19, 2010
    Inventors: Simon James Anthony Grove, Takao Kiyoi, Ashvinkumar Dhirubhai Mistry, Peter Christopher Ray, Grant Wishart
  • Patent number: 7763732
    Abstract: 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: Grant
    Filed: August 18, 2006
    Date of Patent: July 27, 2010
    Assignee: N.V. Organon
    Inventors: Paul David Ratcliffe, Julia Adam-Worrall, Angus John Morrison, Stuart John Francis, Takao Kiyoi
  • Patent number: 7700634
    Abstract: 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: Grant
    Filed: February 28, 2005
    Date of Patent: April 20, 2010
    Assignee: N.V. Organon
    Inventors: Julia Adam-Worrall, Angus John Morrison, Grant Wishart, Takao Kiyoi, Duncan Robert McArthur
  • Publication number: 20070142446
    Abstract: 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: Application
    Filed: February 28, 2005
    Publication date: June 21, 2007
    Inventors: Julia Adam-Worrall, Angus Morrison, Grant Wishart, Takao Kiyoi, Duncan McArthur
  • Publication number: 20070082931
    Abstract: 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: Application
    Filed: August 18, 2006
    Publication date: April 12, 2007
    Applicant: AKZO NOBLE N.V.
    Inventors: Paul Ratcliffe, Julia Adam-Worrall, Angus Morrison, Stuart Francis, Takao Kiyoi
  • Patent number: 5919769
    Abstract: 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: Grant
    Filed: April 22, 1998
    Date of Patent: July 6, 1999
    Assignee: Kanebo, Ltd
    Inventors: Takahiro Tsukida, Takao Kiyoi, Toshio Achiha, Hideki Moriyama, Kiriko Kurokawa, Hiroshi Ohmoto, Kenji Nakamura, Hirosato Kondo, Yukihisa Wada, Tadayuki Saito