Patents by Inventor Toshimi Kanai

Toshimi Kanai 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: 20230218612
    Abstract: The present invention provides a nitrogen-containing heterocyclic compound or a pharmaceutically acceptable salt thereof having an inhibitory effect on the production of kynurenine, represented by formula (I): (wherein R6 and R7 may be the same or different and each represent a hydrogen atom or the like, R8, R9, R10, and R11 may be the same or different and each represent a hydrogen atom or the like, R1 represents lower alkyl which may be substituted with cycloalkyl, or the like, and R3 represents optionally substituted aryl or an optionally substituted heterocyclic group).
    Type: Application
    Filed: March 8, 2023
    Publication date: July 13, 2023
    Applicant: Kyowa Kirin Co., Ltd.
    Inventors: Yuichi FUKUDA, Toshimi KANAI, Yoshisuke NAKASATO, Keisuke KIMPARA
  • Publication number: 20230159554
    Abstract: A compound having anticancer activity, or a pharmaceutically acceptable salt thereof is provided. Used is a compound represented by the following formula (I) or a pharmaceutically acceptable salt thereof: (wherein, L1 and L2 are the same or different and each represents a group represented by one formula selected from the group consisting of formulas (A) to (F), and S represents a group represented by one formula selected from the group consisting of formulas (S1) to (S18)).
    Type: Application
    Filed: January 25, 2023
    Publication date: May 25, 2023
    Applicant: KYOWA KIRIN CO., LTD.
    Inventors: Kenji UCHIDA, Ryohei KAWAI, Keisuke YAMAMOTO, Toshimi KANAI, Hideo IKOTA, Takashi IMAEDA, Kei YOSHIDA
  • Patent number: 11629152
    Abstract: A compound having anticancer activity, or a pharmaceutically acceptable salt thereof is provided. Used is a compound represented by the following formula (I) or a pharmaceutically acceptable salt thereof: (wherein, L1 and L2 are the same or different and each represents a group represented by one formula selected from the group consisting of formulas (A) to (F), and S represents a group represented by one formula selected from the group consisting of formulas (S1) to (S18)).
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: April 18, 2023
    Assignee: KYOWA KIRIN CO., LTD.
    Inventors: Kenji Uchida, Ryohei Kawai, Keisuke Yamamoto, Toshimi Kanai, Hideo Ikota, Takashi Imaeda, Kei Yoshida
  • Patent number: 11591344
    Abstract: A compound having anticancer activity, or a pharmaceutically acceptable salt thereof is provided. Used is a compound represented by the following formula (I) or a pharmaceutically acceptable salt thereof: (wherein, L1 and L2 are the same or different and each represents a group represented by one formula selected from the group consisting of formulas (A) to (F), and S represents a group represented by one formula selected from the group consisting of formulas (S1) to (S18)).
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: February 28, 2023
    Assignee: KYOWA KIRIN CO., LTD.
    Inventors: Kenji Uchida, Ryohei Kawai, Keisuke Yamamoto, Toshimi Kanai, Hideo Ikota, Takashi Imaeda, Kei Yoshida
  • Publication number: 20220378923
    Abstract: The present invention provides a BET (protein) degrader, specifically a BET degrader containing a compound represented by formula (I) or a pharmaceutically acceptable salt thereof: wherein L1 and L2 are the same or different and each represents a small molecular ligand for BET protein, and S represents a group represented by a formula selected from the group consisting of formulas (S1) to (S18).
    Type: Application
    Filed: September 30, 2020
    Publication date: December 1, 2022
    Applicant: KYOWA KIRIN CO., LTD.
    Inventors: Keisuke YAMAMOTO, Toshimi KANAI, Kei YOSHIDA, Takashi IMAEDA, Masahiro ESAKI
  • Publication number: 20210024540
    Abstract: A compound having anticancer activity, or a pharmaceutically acceptable salt thereof is provided. Used is a compound represented by the following formula (I) or a pharmaceutically acceptable salt thereof: (wherein, L1 and L2 are the same or different and each represents a group represented by one formula selected from the group consisting of formulas (A) to (F), and S represents a group represented by one formula selected from the group consisting of formulas (S1) to (S18)).
    Type: Application
    Filed: March 29, 2019
    Publication date: January 28, 2021
    Applicant: KYOWA KIRIN CO., LTD.
    Inventors: Kenji UCHIDA, Ryohei KAWAI, Keisuke YAMAMOTO, Toshimi KANAI, Hideo IKOTA, Takashi IMAEDA, Kei YOSHIDA
  • Publication number: 20200179376
    Abstract: The present invention provides a nitrogen-containing heterocyclic compound or a pharmaceutically acceptable salt thereof having an inhibitory effect on the production of kynurenine, represented by formula (I): (wherein R6 and R7 may be the same or different and each represent a hydrogen atom or the like, R8, R9, R10, and R11 may be the same or different and each represent a hydrogen atom or the like, R1 represents lower alkyl which may be substituted with cycloalkyl, or the like, and R3 represents optionally substituted aryl or an optionally substituted heterocyclic group).
    Type: Application
    Filed: December 4, 2019
    Publication date: June 11, 2020
    Applicant: Kyowa Kirin Co., Ltd.
    Inventors: Yuichi Fukuda, Toshimi Kanai, Yoshisuke Nakasato, Keisuke Kimpara
  • Patent number: 10548891
    Abstract: The present invention provides a nitrogen-containing heterocyclic compound or a pharmaceutically acceptable salt thereof having an inhibitory effect on the production of kynurenine, represented by formula (I): (wherein R6 and R7 may be the same or different and each represent a hydrogen atom or the like, R8, R9, R10, and R11 may be the same or different and each represent a hydrogen atom or the like, R1 represents lower alkyl which may be substituted with cycloalkyl, or the like, and R3 represents optionally substituted aryl or an optionally substituted heterocyclic group).
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: February 4, 2020
    Assignee: KYOWA HAKKO KIRIN CO., LTD.
    Inventors: Yuichi Fukuda, Toshimi Kanai, Yoshisuke Nakasato, Keisuke Kimpara
  • Patent number: 9701689
    Abstract: The present invention provides a heterocyclic compound represented by the following formula (I) or a pharmaceutically acceptable salt thereof, in which XA, R1, YA, R2, R3A, and R4A are as defined herein. The compound of formula (I) inhibits a C-C chemokine receptor type 10 (CCR10) receptor and is useful as a prophylactic and/or therapeutic agent for skin diseases.
    Type: Grant
    Filed: November 29, 2013
    Date of Patent: July 11, 2017
    Assignee: Kyowa Hakko Kirin Co., Ltd.
    Inventors: Kenji Uchida, Toshimi Kanai, Masakazu Homma, Seiji Aratake, Tatsuya Ishimori
  • Publication number: 20150352106
    Abstract: The present invention provides a nitrogen-containing heterocyclic compound or a pharmaceutically acceptable salt thereof having an inhibitory effect on the production of kynurenine, represented by formula (I): (wherein R6 and R7 may be the same or different and each represent a hydrogen atom or the like, R8, R9, R10, and R11 may be the same or different and each represent a hydrogen atom or the like, R1 represents lower alkyl which may be substituted with cycloalkyl, or the like, and R3 represents optionally substituted aryl or an optionally substituted heterocyclic group).
    Type: Application
    Filed: August 17, 2015
    Publication date: December 10, 2015
    Inventors: Yuichi FUKUDA, Toshimi Kanai, Yoshisuke Nakasato, Keisuke Kimpara
  • Publication number: 20150299214
    Abstract: The present invention provides a heterocyclic compound represented by the following formula (I), wherein XA represents CH and the like, R1 represents cycloalkyl optionally having substituent(s) and the like, L represents a bond and the like, YA represents —NH— and the like, R2 represents a hydrogen atom and the like, R3A represents the following formula (R3A-1) (wherein, R3 represents hydroxy and the like) and the like, and R4A represents the following formula (R4A-1) (wherein, R4 and R5 are the same or different and each represents a hydrogen atom and the like) and the like, or a pharmaceutically acceptable salt thereof, which is useful as a prophylactic and/or therapeutic agent for skin diseases and the like, and the like.
    Type: Application
    Filed: November 29, 2013
    Publication date: October 22, 2015
    Applicant: KYOWA HAKKO KIRIN CO., LTD.
    Inventors: Kenji UCHIDA, Toshimi KANAI, Masakazu HOMMA, Seiji ARATAKE, Tatsuya ISHIMORI
  • Patent number: 9150569
    Abstract: The present invention provides a nitrogen-containing heterocyclic compound or a pharmaceutically acceptable salt thereof having an inhibitory effect on the production of kynurenine, represented by formula (I): (wherein R6 and R7 may be the same or different and each represent a hydrogen atom or the like, R8, R9, R10, and R11 may be the same or different and each represent a hydrogen atom or the like, R1 represents lower alkyl which may be substituted with cycloalkyl, or the like, and R3 represents optionally substituted aryl or an optionally substituted heterocyclic group).
    Type: Grant
    Filed: May 9, 2011
    Date of Patent: October 6, 2015
    Assignee: KYOWA HAKKO KIRIN CO., LTD.
    Inventors: Yuichi Fukuda, Toshimi Kanai
  • Patent number: 9067923
    Abstract: A nitrogen-containing heterocyclic compound represented by formula (I-A): (wherein R1A represents lower alkyl which may be substituted with lower alkoxy, R3A represents lower alkyl substituted with fluorine atom(s), and R4A represents an optionally substituted aromatic heterocyclic group) or the like, or a pharmaceutically acceptable salt thereof; and the like, are provided.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: June 30, 2015
    Assignee: KYOWA HAKKO KIRIN CO., LTD.
    Inventors: Toshimi Kanai, Kenji Uchida, Masakazu Honma, Yuichi Fukuda
  • Publication number: 20140309231
    Abstract: A nitrogen-containing heterocyclic compound represented by formula (I-A): (wherein R1A represents lower alkyl which may be substituted with lower alkoxy, R3A represents lower alkyl substituted with fluorine atom(s), and R4A represents an optionally substituted aromatic heterocyclic group) or the like, or a pharmaceutically acceptable salt thereof; and the like, are provided.
    Type: Application
    Filed: November 9, 2012
    Publication date: October 16, 2014
    Applicant: Kyowa Hakko Kirin Co., Ltd.
    Inventors: Toshimi Kanai, Kenji Uchida, Masakazu Honma, Yuichi Fukuda
  • Publication number: 20130065905
    Abstract: The present invention provides a nitrogen-containing heterocyclic compound or a pharmaceutically acceptable salt thereof having an inhibitory effect on the production of kynurenine, represented by formula (I): (wherein R6 and R7 may be the same or different and each represent a hydrogen atom or the like, R8, R9, R19, and R11 may be the same or different and each represent a hydrogen atom or the like, R1 represents lower alkyl which may be substituted with cycloalkyl, or the like, and R3 represents optionally substituted aryl or an optionally substituted heterocyclic group).
    Type: Application
    Filed: May 9, 2011
    Publication date: March 14, 2013
    Applicant: Kyowa Hakko Kirin Co., Ltd.
    Inventors: Yuichi Fukuda, Toshimi Kanai, Yoshisuke Nakasato, Keisuke Kimpara