Patents by Inventor Takeo Ishiyama

Takeo Ishiyama 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).

  • THERAPEUTIC AGENT FOR TAUOPATHIES
    Publication number: 20230109839
    Abstract: The present invention is to provide a medicament for treating and/or preventing tauopathy by activating the voltage-gated sodium channel (Nav). The present invention relates to a medicament for treating and/or preventing tauopathy, comprising a Nav activator as an active ingredient.
    Type: Application
    Filed: January 6, 2021
    Publication date: April 13, 2023
    Applicant: SUMITOMO PHARMA CO., LTD.
    Inventors: Kazuaki SAMPEI, Takeo ISHIYAMA, Atsushi IKEDA, Taizo ISHIKAWA, Makoto HIGUCHI, Hiroyuki TAKUWA, Yuhei TAKADO
  • METHOD OF TREATMENT FOR MENTAL DISORDERS
    Publication number: 20190022091
    Abstract: The invention relates to a medicament or a method for treating mental disorders, in detail, ADHD comprising lurasidone, or a combination of lurasidone and a D4 receptor agonist.
    Type: Application
    Filed: September 24, 2018
    Publication date: January 24, 2019
    Applicant: SUMITOMO DAINIPPON PHARMA CO., LTD.
    Inventors: Kazuhito Ikeda, Takeo Ishiyama
  • Method of treatment for mental disorders
    Patent number: 10098875
    Abstract: The invention relates to a medicament or a method for treating mental disorders, in detail, ADHD comprising lurasidone, or a combination of lurasidone and a D4 receptor agonist.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: October 16, 2018
    Assignee: SUMITOMO DAINIPPON PHARMA CO., LTD.
    Inventors: Kazuhito Ikeda, Takeo Ishiyama
  • Method of treatment for mental disorders
    Patent number: 9827242
    Abstract: The invention relates to a medicament or a method for treating mental disorders, in detail, ADHD comprising lurasidone, or a combination of lurasidone and a D4 receptor agonist.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: November 28, 2017
    Assignee: SUMITOMO DAINIPPON PHARMA CO., LTD.
    Inventors: Kazuhito Ikeda, Takeo Ishiyama
  • METHOD OF TREATMENT FOR MENTAL DISORDERS
    Publication number: 20160193205
    Abstract: The invention relates to a medicament or a method for treating mental disorders, in detail, ADHD comprising lurasidone, or a combination of lurasidone and a D4 receptor agonist.
    Type: Application
    Filed: January 13, 2016
    Publication date: July 7, 2016
    Applicant: Sumitomo Dainippon Pharma Co., Ltd.
    Inventors: Kazuhito IKEDA, Takeo ISHIYAMA
  • METHOD OF TREATMENT FOR MENTAL DISORDERS
    Publication number: 20160129000
    Abstract: The invention relates to a medicament or a method for treating mental disorders, in detail, ADHD comprising lurasidone, or a combination of lurasidone and a D4 receptor agonist.
    Type: Application
    Filed: January 13, 2016
    Publication date: May 12, 2016
    Applicant: Sumitomo Dainippon Pharma Co., Ltd.
    Inventors: Kazuhito IKEDA, Takeo ISHIYAMA
  • Method of treatment for mental disorders
    Patent number: 9259423
    Abstract: The invention relates to a medicament or a method for treating mental disorders, in detail, ADHD comprising lurasidone, or a combination of lurasidone and a D4 receptor agonist.
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: February 16, 2016
    Assignee: Sumitomo Dainippon Pharma Co., Ltd.
    Inventors: Kazuhito Ikeda, Takeo Ishiyama
  • IN VIVO SCREENING METHOD OF THERAPEUTIC AGENT FOR MEMORY/LEARNING DYSFUNCTIONS BY SCHIZOPHRENIA
    Publication number: 20140356292
    Abstract: A method of evaluating memory/learning functions with the use of a model with glutamic acid N-methyl-D-aspartate (NMDA) type receptor hypofunction as an animal model for schizophrenia and with the use of reference memory task, wherein there has been found concrete means for detecting any differences in activity between typical anti-psychosis drugs and atypical anti-psychosis drugs is found. An in vivo animal model for screening of a therapeutic agent for improving cognitive dysfunction by schizophrenia is provided.
    Type: Application
    Filed: August 14, 2014
    Publication date: December 4, 2014
    Applicant: Sumitomo Dainippon Pharma Co., Ltd.
    Inventor: Takeo ISHIYAMA
  • Method of treating memory/learning dysfunctions caused by schizophrenia with lurasidone
    Patent number: 8835438
    Abstract: A method of evaluating memory/learning functions with the use of a model with glutamic acid N-methyl-D-aspartate (NMDA) type receptor hypofunction as an animal model for schizophrenia and with the use of reference memory task, wherein there has been found concrete means for detecting any differences in activity between typical anti-psychosis drugs and atypical anti-psychosis drugs is found. An in vivo animal model for screening of a therapeutic agent for improving cognitive dysfunction by schizophrenia is provided.
    Type: Grant
    Filed: March 11, 2009
    Date of Patent: September 16, 2014
    Assignee: Sumitomo Dainippon Pharma Co., Ltd.
    Inventor: Takeo Ishiyama
  • Therapeutic agent for senile dementia
    Patent number: 8552000
    Abstract: A therapeutic/preventive agent for cognitive dysfunctions, which comprises as an active ingredient an imide derivative of the following formula [1]: wherein Z is a group of the formula [2]: D is a group of —(CH2)p-A-(CH2)q—; G is ?N—, —CH—, etc.; and Ar is an aromatic heterocyclic group, etc.
    Type: Grant
    Filed: February 29, 2012
    Date of Patent: October 8, 2013
    Assignee: Dainippon Sumitomo Pharma Co., Ltd.
    Inventors: Yukihiro Ohno, Takeo Ishiyama
  • METHOD OF TREATMENT FOR MENTAL DISORDERS
    Publication number: 20130018056
    Abstract: The invention relates to a medicament or a method for treating mental disorders, in detail, ADHD comprising lurasidone, or a combination of lurasidone and a D4 receptor agonist.
    Type: Application
    Filed: July 20, 2012
    Publication date: January 17, 2013
    Inventors: Kazuhito IKEDA, Takeo ISHIYAMA
  • Method of treatment for mental disorders
    Patent number: 8258139
    Abstract: The invention relates to a medicament or a method for treating mental disorders, in detail, ADHD comprising lurasidone, or a combination of lurasidone and a D4 receptor agonist.
    Type: Grant
    Filed: May 23, 2011
    Date of Patent: September 4, 2012
    Assignee: Dainippon Sumitomo Pharma Co., Ltd.
    Inventors: Kazuhito Ikeda, Takeo Ishiyama
  • THERAPEUTIC AGENT FOR SENILE DEMENTIA
    Publication number: 20120165341
    Abstract: A therapeutic/preventive agent for cognitive dysfunctions, which comprises as an active ingredient an imide derivative of the following formula [1]: wherein Z is a group of the formula [2]: D is a group of —(CH2)p-A-(CH2)q—; G is ?N—, —CH—, etc.; and Ar is an aromatic heterocyclic group, etc.
    Type: Application
    Filed: February 29, 2012
    Publication date: June 28, 2012
    Inventors: Yukihiro OHNO, Takeo ISHIYAMA
  • METHOD OF TREATMENT FOR MENTAL DISORDERS
    Publication number: 20120115879
    Abstract: The invention relates to a medicament or a method for treating mental disorders, in detail, ADHD comprising lurasidone, or a combination of lurasidone and a D4 receptor agonist.
    Type: Application
    Filed: May 23, 2011
    Publication date: May 10, 2012
    Inventors: Kazuhito IKEDA, Takeo Ishiyama
  • Therapeutic agent for senile dementia
    Patent number: 8148379
    Abstract: A therapeutic/preventive agent for cognitive dysfunctions, which comprises as an active ingredient an imide derivative of the following formula [1]: wherein Z is a group of the formula [2]: D is a group of —(CH2)p-A-(CH2)q—; G is ?N—, —CH—, etc.; and Ar is an aromatic heterocyclic group, etc.
    Type: Grant
    Filed: June 17, 2008
    Date of Patent: April 3, 2012
    Assignee: Dainippon Sumitomo Pharma Co., Ltd.
    Inventors: Yukihiro Ohno, Takeo Ishiyama
  • IN VIVO SCREENING METHOD OF THERAPEUTIC AGENT FOR MEMORY/LEARNING DYSFUNCTIONS BY SCHIZOPHRENIA
    Publication number: 20090176800
    Abstract: A method of evaluating memory/learning functions with the use of a model with glutamic acid N-methyl-D-aspartate (NMDA) type receptor hypofunction as an animal model for schizophrenia and with the use of reference memory task, wherein there has been found concrete means for detecting any differences in activity between typical anti-psychosis drugs and atypical anti-psychosis drugs is found. An in vivo animal model for screening of a therapeutic agent for improving cognitive dysfunction by schizophrenia is provided.
    Type: Application
    Filed: March 11, 2009
    Publication date: July 9, 2009
    Applicant: Dainippon Sumitomo Pharma Co., Ltd.
    Inventor: Takeo ISHIYAMA
  • THERAPEUTIC AGENT FOR SENILE DEMENTIA
    Publication number: 20080255148
    Abstract: A therapeutic/preventive agent for cognitive dysfunctions, which comprises as an active ingredient an imide derivative of the following formula [1]: wherein Z is a group of the formula [2]: D is a group of —(CH2)p-A-(CH2)q—; G is ?N—, —CH—, etc.; and Ar is an aromatic heterocyclic group, etc.
    Type: Application
    Filed: June 17, 2008
    Publication date: October 16, 2008
    Applicant: Dainppon Sumitomo Pharma Co., Ltd.
    Inventors: Yukihiro Ohno, Takeo Ishiyama
  • In vivo screening method of therapeutic agent for memory/learning dysfunctions by schizophrenia
    Publication number: 20070160537
    Abstract: A method of evaluating memory/learning functions with the use of a model with glutamic acid N-methyl-D-aspartate (NMDA) type receptor hypofunction as an animal model for schizophrenia and with the use of reference memory task, wherein there has been found concrete means for detecting any differences in activity between typical anti-psychosis drugs and atypical anti-psychosis drugs is found. An in vivo animal model for screening of a therapeutic agent for improving cognitive dysfunction by schizophrenia is provided.
    Type: Application
    Filed: February 16, 2005
    Publication date: July 12, 2007
    Inventor: Takeo Ishiyama
  • Therapeutic agent for senile dementia
    Publication number: 20060142276
    Abstract: A therapeutic/preventive agent for cognitive dysfunctions, which comprises as an active ingredient an imide derivative of the following formula [1]: wherein Z is a group of the formula [2]: D is a group of —(CH2)p—A—(CH2)q—; G is =N—, —CH—, etc.; and Ar is an aromatic heterocyclic group, etc.
    Type: Application
    Filed: June 22, 2004
    Publication date: June 29, 2006
    Inventors: Yukihiro Ohno, Takeo Ishiyama