Patents by Inventor Tomoaki Hasui

Tomoaki Hasui 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).

  • Patent number: 11939327
    Abstract: The present invention aims to provide a heterocyclic compound having an AMPA receptor potentiator effect, which is expected to be useful as an agent for the prophylaxis or treatment of depression, Alzheimer's disease, schizophrenia, attention deficit hyperactivity disorder (ADHD) and the like. The present invention relates to a compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof.
    Type: Grant
    Filed: August 15, 2022
    Date of Patent: March 26, 2024
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Tomoaki Hasui, Shinji Nakamura, Satoshi Mikami, Tohru Yamashita
  • Publication number: 20230357220
    Abstract: Abstract: The present invention refers to compounds of formula (I). The present invention also relates to compounds of formula (I) for use as G Protein coupled Receptor 139 (GPR139) antagonists in methods of medical treatment of e.g. depression, Alzheimer’s disease, schizophrenia, drug addiction, sleep disorders, pain, and attention deficit hyperactivity disorder. Exemplary compounds are e.g. 3-((1H-pyrazol-4-yl)methyl)-6?-(phenyl)-2H-(1,2?-bipyridin)-2-one derivatives and related compounds. The present description discloses the synthesis and characterisation of exemplary compounds, pharmacological data thereof, as well as exemplary tablet formulations comprising the compounds of the invention (e.g. page 83 to page 110; examples 1 to 33; reference example 1; test examples 1 and 2; tables 1 to 4).
    Type: Application
    Filed: May 20, 2021
    Publication date: November 9, 2023
    Inventors: Tomoaki HASUI, Satoshi MIKAMI, JR., Toru YAMASHITA, Shinji NAKAMURA, Shinji MORIMOTO, Toshihiro IMAEDA, Kazuaki TAKAMI, Masaki DAINI, Hiroyuki KAKEI, Minoru NAKAMURA, Fumie YAMAGUCHI, Chunxiang WANG, Sachie TAKASHIMA, Makoto KAMATA, Yuya OGURO, Shuhei IKEDA
  • Publication number: 20230348435
    Abstract: The present invention refers to compounds of formula (I). The present invention also relates to compounds of formula (I) for use as G Protein coupled Receptor 139 (GPR139) antagonists in methods of medical treatment of e.g. depression, Alzheimer's disease schizophrenia, drug addiction, sleep disorders, pain, and attention deficit hyperactivity disorder. Exemplary compounds are e.g. 1-(OH-pyrazol-4-yl)methyl)-3-(phenyl)-1,3-dihydro-2H-imidazol-2-one derivatives and related compounds. The present description discloses the synthesis and characterisation of exemplary compounds, pharmacological data thereof, as well as exemplary tablet formulations comprising the compounds of the invention (e.g. page 100 to page 143; examples 1 to 167; test examples 1 and 2; tables 1 to 4).
    Type: Application
    Filed: May 20, 2021
    Publication date: November 2, 2023
    Inventors: Tomoaki HASUI, Satoshi MIKAMI, Toru YAMASHITA, Shinji NAKAMURA, Shinji MORIMOTO, Toshihiro IMAEDA, Kazuaki TAKAMI, Masaki DAINI, Hiroyuki KAKEI, Minoru NAKAMURA, Fumie YAMAGUCHI, Chunxiang WANG, Sachie TAKASHIMA, Shogo HASHIZUME
  • Publication number: 20230278999
    Abstract: The present invention aims to provide a heterocyclic compound having an AMPA receptor potentiator effect, which is expected to be useful as an agent for the prophylaxis or treatment of depression, Alzheimer’s disease, schizophrenia, attention deficit hyperactivity disorder (ADHD) and the like. The present invention relates to a compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof.
    Type: Application
    Filed: August 15, 2022
    Publication date: September 7, 2023
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Tomoaki HASUI, Shinji NAKAMURA, Satoshi MIKAMI, Tohru YAMASHITA
  • Patent number: 11447488
    Abstract: The present invention aims to provide a heterocyclic compound having an AMPA receptor potentiator effect, which is expected to be useful as an agent for the prophylaxis or treatment of depression, Alzheimer's disease, schizophrenia, attention deficit hyperactivity disorder (ADHD) and the like. The present invention relates to a compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: September 20, 2022
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Tomoaki Hasui, Shinji Nakamura, Satoshi Mikami, Tohru Yamashita
  • Patent number: 11407748
    Abstract: The present invention aims to provide a heterocyclic compound having an AMPA receptor potentiator effect, which is expected to be useful as an agent for the prophylaxis or treatment of depression, Alzheimer's disease, schizophrenia, attention deficit hyperactivity disorder (ADHD) and the like. The present invention relates to a compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: August 9, 2022
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Shinji Nakamura, Satoshi Mikami, Tomoaki Hasui, Tohru Yamashita, Shinji Morimoto, Hidekazu Tokuhara, Norio Oyabu, Masami Yamada, Atsuko Ochida, Kazuaki Takami, Xin Liu
  • Publication number: 20200270243
    Abstract: The present invention aims to provide a heterocyclic compound having an AMPA receptor potentiator effect, which is expected to be useful as an agent for the prophylaxis or treatment of depression, Alzheimer's disease, schizophrenia, attention deficit hyperactivity disorder (ADHD) and the like. The present invention relates to a compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof.
    Type: Application
    Filed: October 4, 2018
    Publication date: August 27, 2020
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Shinji NAKAMURA, Satoshi MIKAMI, Tomoaki HASUI, Tohru YAMASHITA, Shinji MORIMOTO, Hidekazu TOKUHARA, Norio OYABU, Masami YAMADA, Atsuko OCHIDA, Kazuaki TAKAMI, Xin LIU
  • Publication number: 20200247801
    Abstract: The present invention aims to provide a heterocyclic compound having an AMPA receptor potentiator effect, which is expected to be useful as an agent for the prophylaxis or treatment of depression, Alzheimer's disease, schizophrenia, attention deficit hyperactivity disorder (ADHD) and the like. The present invention relates to a compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof.
    Type: Application
    Filed: October 4, 2018
    Publication date: August 6, 2020
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Tomoaki Hasui, Shinji NAKAMURA, Satoshi MIKAMI, Tohru YAMASHITA
  • Patent number: 10112956
    Abstract: An object of the present invention is to provide a compound having a superior CH24H inhibitory action, which is useful as an agent for the prophylaxis or treatment of epilepsy, neurodegenerative disease and the like. The present invention relates to a compound represented by the formula: wherein each symbol is as defined in the specification, or a salt thereof.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: October 30, 2018
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Tatsuki Koike, Yuichi Kajita, Masato Yoshikawa, Shuhei Ikeda, Eiji Kimura, Tomoaki Hasui, Toshiya Nishi, Hiromi Fukuda
  • Publication number: 20170197983
    Abstract: An object of the present invention is to provide a compound having a superior CH24H inhibitory action, which is useful as an agent for the prophylaxis or treatment of epilepsy, neurodegenerative disease and the like. The present invention relates to a compound represented by the formula: wherein each symbol is as defined in the specification, or a salt thereof.
    Type: Application
    Filed: March 23, 2017
    Publication date: July 13, 2017
    Inventors: Tatsuki KOIKE, Yuichi KAJITA, Masato YOSHIKAWA, Shuhei IKEDA, Eiji KIMURA, Tomoaki HASUI, Toshiya NISHI, Hiromi FUKUDA
  • Patent number: 9624184
    Abstract: The present invention relates to a compound represented by the formula (I), which is useful as an agent for the prophylaxis or treatment of epilepsy, neurodegenerative disease and the like. In the formula (I), each symbol is as defined in the specification.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: April 18, 2017
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Tatsuki Koike, Masato Yoshikawa, Izumi Nomura, Yoshiteru Ito, Eiji Kimura, Haruhi Ando, Tomoaki Hasui, Toshiya Nishi
  • Patent number: 9579407
    Abstract: The present invention provides radiolabeled compounds useful as radiotracers for quantitative imaging of PDE10A in mammals. The compound of the present invention is represented by the formula (I): wherein each symbols are as defined in the specification.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: February 28, 2017
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Takahiko Taniguchi, Shotaro Miura, Tomoaki Hasui, Christer Halldin, Vladimir Stepanov, Akihiro Takano
  • Patent number: 9296746
    Abstract: The present invention provides a compound or a salt thereof useful for an agent for the prophylaxis or treatment of neurodegenerative disease and the like. The present invention relates to a compound represented by the formula wherein each symbol is as defined in the present specification, or a salt thereof.
    Type: Grant
    Filed: October 15, 2013
    Date of Patent: March 29, 2016
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Tatsuki Koike, Masato Yoshikawa, Izumi Nomura, Yoshiteru Ito, Eiji Kimura, Tomoaki Hasui, Haruhi Ando, Hiromi Fukuda
  • Publication number: 20160052897
    Abstract: The present invention relates to a compound represented by the formula (I), which is useful as an agent for the prophylaxis or treatment of epilepsy, neurodegenerative disease and the like. In the formula (I), each symbol is as defined in the specification.
    Type: Application
    Filed: April 3, 2014
    Publication date: February 25, 2016
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Tatsuki KOIKE, Masato YOSHIKAWA, Izumi NOMURA, Yoshiteru ITO, Eiji KIMURA, Haruhi ANDO, Tomoaki HASUI, Toshiya NISHI
  • Patent number: 9226921
    Abstract: The present invention provides a compound which has the effect of PDE inhibition, and which is useful as an agent for preventing or treating schizophrenia or so on represented by the formula (I):
    Type: Grant
    Filed: April 15, 2014
    Date of Patent: January 5, 2016
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Takahiko Taniguchi, Masato Yoshikawa, Kasei Miura, Tomoaki Hasui, Eiji Honda, Keisuke Imamura, Makoto Kamata, John F. Quinn, Joseph Raker, Fatoumata Camara, Yi Wang
  • Publication number: 20150315209
    Abstract: An object of the present invention is to provide a compound having a superior CH24H inhibitory action, which is useful as an agent for the prophylaxis or treatment of epilepsy, neurodegenerative disease and the like. The present invention relates to a compound represented by the formula: wherein each symbol is as defined in the specification, or a salt thereof.
    Type: Application
    Filed: December 10, 2013
    Publication date: November 5, 2015
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Tatsuki KOIKE, Yuichi KAJITA, Masato YOSHIKAWA, Shuhei IKEDA, Eiji KIMURA, Tomoaki HASUI, Toshiya NISHI, Hiromi FUKUDA
  • Patent number: 9150588
    Abstract: A compound having PDE inhibitory represented by formula (1), W1-W2 (1), wherein (i) W1 is and W2 is (ii) W1 is and W2 is or (iii) W1 is and W2 is or a pharmaceutically acceptable salt thereof; and a method of treating or preventing schizophrenia.
    Type: Grant
    Filed: August 9, 2011
    Date of Patent: October 6, 2015
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Takahiko Taniguchi, Masato Yoshikawa, Tomoaki Hasui, Makoto Fushimi, Jun Kunitomo
  • Publication number: 20150266872
    Abstract: The present invention provides a compound or a salt thereof useful for an agent for the prophylaxis or treatment of neurodegenerative disease and the like. The present invention relates to a compound represented by the formula wherein each symbol is as defined in the present specification, or a salt thereof.
    Type: Application
    Filed: October 15, 2013
    Publication date: September 24, 2015
    Inventors: Tatsuki Koike, Masato Yoshikawa, Izumi Nomura, Yoshiteru Ito, Eiji Kimura, Tomoaki Hasui, Haruhi Ando, Hiromi Fukuda, Toshiya Nishi
  • Patent number: 9090586
    Abstract: The present invention provides a compound represented by the formula (1): wherein each symbol is as defined in the specification, or a salt thereof, a prodrug of the compound or a salt thereof, a medicament containing the compound or a salt thereof, the medicament which is a phosphodiesterase 10A inhibitor, and a medicament which is for preventing or treating schizophrenia.
    Type: Grant
    Filed: August 3, 2011
    Date of Patent: July 28, 2015
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Masato Yoshikawa, Shinkichi Suzuki, Tomoaki Hasui, Makoto Fushimi, Jun Kunitomo, Haruhi Kamisaki, Takahiko Taniguchi
  • Patent number: 9029536
    Abstract: The present invention provides a compound which has the effect of PDE 10A inhibition, and which is useful as a medicament for preventing or treating schizophrenia or so on.
    Type: Grant
    Filed: August 3, 2011
    Date of Patent: May 12, 2015
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Joseph Raker, Takahiko Taniguchi, Masato Yoshikawa, Tomoaki Hasui, Jun Kunitomo