Patents by Inventor Katsuya Harada

Katsuya Harada 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: 10202399
    Abstract: Provided is a compound having a D-amino acid oxidase (DAAO) inhibitory action, and useful as, for example, a prophylaxis and/or therapeutic agent for schizophrenia or neuropathic pain. The present inventors have studied a compound that inhibits DAAO, and confirm that a dihydroxy aromatic heterocyclic compound has a DAAO inhibitory action, and completed the present invention. That is, the dihydroxy aromatic heterocyclic compound of the present invention has a good DAAO inhibitory action, and can be used as a prophylaxis and/or therapeutic agent for, for example, schizophrenia or neuropathic pain.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: February 12, 2019
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takeshi Hondo, Keita Nakanishi, Tatsuya Niimi, Masaichi Warizaya, Ichiji Namatame, Katsuya Harada
  • Publication number: 20180076551
    Abstract: A multipole connector includes a connector body that includes a first end surface and a second end surface; a plurality of contacts that are arranged and led to the first end surface of the connector body; and a ground plate. The multipole connector is connected to a cable in which ground meshes forming external conductors that are to be grounds and core wires that are to be signal lines are insulated from each other by an inner jacket and the outer side is sheathed with an outer jacket. The signal lines are connected to signal line contacts in the contacts, respectively, the ground meshes are connected together on the ground plate, and the ground plate is connected to at least one of the ground contacts of the contacts.
    Type: Application
    Filed: April 14, 2015
    Publication date: March 15, 2018
    Applicant: Mitsubishi Electric Corporation
    Inventors: Tetsuhiro MATSUYAMA, Miwako KOSAKA, Katsuya HARADA, Keitaro YAMAGISHI, Yuichi SASAKI
  • Publication number: 20170107226
    Abstract: Provided is a compound having a D-amino acid oxidase (DAAO) inhibitory action, and useful as, for example, a prophylaxis and/or therapeutic agent for schizophrenia or neuropathic pain. The present inventors have studied a compound that inhibits DAAO, and confirm that a dihydroxy aromatic heterocyclic compound has a DAAO inhibitory action, and completed the present invention. That is, the dihydroxy aromatic heterocyclic compound of the present invention has a good DAAO inhibitory action, and can be used as a prophylaxis and/or therapeutic agent for, for example, schizophrenia or neuropathic pain.
    Type: Application
    Filed: December 22, 2016
    Publication date: April 20, 2017
    Inventors: Takeshi HONDO, Keita NAKANISHI, Tatsuya NIIMI, Masaichi WARIZAYA, Ichiji NAMATAME, Katsuya HARADA
  • Patent number: 9562020
    Abstract: Provided is a compound having a D-amino acid oxidase (DAAO) inhibitory action, and useful as for example, a prophylaxis and/or therapeutic agent for schizophrenia or neuropathic pain. The present inventors have studied a compound that inhibits DAAO, and confirm that a dihydroxy aromatic heterocyclic compound has a DAAO inhibitory action, and completed the present invention. That is, the dihydroxy aromatic heterocyclic compound of the present invention has a good DAAO inhibitory action, and can be used as a prophylaxis and/or therapeutic agent for, for example, schizophrenia or neuropathic pain.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: February 7, 2017
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takeshi Hondo, Keita Nakanishi, Tatsuya Niimi, Masaichi Warizaya, Ichiji Namatame, Katsuya Harada
  • Publication number: 20160039771
    Abstract: Provided is a compound having a D-amino acid oxidase (DAAO) inhibitory action, and useful as for example, a prophylaxis and/or therapeutic agent for schizophrenia or neuropathic pain. The present inventors have studied a compound that inhibits DAAO, and confirm that a dihydroxy aromatic heterocyclic compound has a DAAO inhibitory action, and completed the present invention. That is, the dihydroxy aromatic heterocyclic compound of the present invention has a good DAAO inhibitory action, and can be used as a prophylaxis and/or therapeutic agent for, for example, schizophrenia or neuropathic pain.
    Type: Application
    Filed: October 16, 2015
    Publication date: February 11, 2016
    Inventors: Takeshi HONDO, Keita NAKANISHI, Tatsuya NIIMI, Masaichi WARIZAYA, Ichiji NAMATAME, Katsuya HARADA
  • Patent number: 9212147
    Abstract: Provided is a compound having a D-amino acid oxidase (DAAO) inhibitory action, and useful as for example, a prophylaxis and/or therapeutic agent for schizophrenia or neuropathic pain. The present inventors have studied a compound that inhibits DAAO, and confirm that a dihydroxy aromatic heterocyclic compound has a DAAO inhibitory action, and completed the present invention. That is, the dihydroxy aromatic heterocyclic compound of the present invention has a good DAAO inhibitory action, and can be used as a prophylaxis and/or therapeutic agent for, for example, schizophrenia or neuropathic pain.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: December 15, 2015
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takeshi Hondo, Keita Nakanishi, Tatsuya Niimi, Masaichi Warizaya, Ichiji Namatame, Katsuya Harada
  • Publication number: 20140336165
    Abstract: Provided is a compound having a D-amino acid oxidase (DAAO) inhibitory action, and useful as, for example, a prophylaxis and/or therapeutic agent for schizophrenia or neuropathic pain. The present inventors have studied a compound that inhibits DAAO, and confirm that a dihydroxy aromatic heterocyclic compound has a DAAO inhibitory action, and completed the present invention. That is, the dihydroxy aromatic heterocyclic compound of the present invention has a good DAAO inhibitory action, and can be used as a prophylaxis and/or therapeutic agent for, for example, schizophrenia or neuropathic pain.
    Type: Application
    Filed: November 14, 2012
    Publication date: November 13, 2014
    Inventors: Takeshi Hondo, Keita Nakanishi, Tatsuya Niimi, Masaichi Warizaya, Ichiji Namatame, Katsuya Harada