Patents by Inventor Kunihiro Ninomiya, deceased

Kunihiro Ninomiya, deceased 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).

  • 4-Acylaminopyridine derivative
    Patent number: 5861411
    Abstract: A novel 4-acylaminopyridine derivative represented by the following formula (I) is disclosed. ##STR1## The 4-acylaminopyridine derivative of the present invention is useful as a medicine for treating disturbances of memory such as senile dementia and Alzheimer's disease, since it has an action of directly activating malfunctioned cholinergic neuron.
    Type: Grant
    Filed: April 10, 1996
    Date of Patent: January 19, 1999
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Kunihiro Ninomiya, deceased, Ken-ichi Saito, Mamoru Sugano, Akihiro Tobe, Yasuhiro Morinaka, Tomoko Bessho, Haruko Harada
  • 4-acylaminopyridine derivative
    Patent number: 5536728
    Abstract: A novel 4-acylaminopyridine derivative represented by the following formula (I) is disclosed. ##STR1## The 4-acylaminopyridine derivative of the present invention is useful as a medicine for treating disturbances of memory such as senile dementia and Alzheimer's disease, since it has an action of directly activating malfunctioned cholinergic neuron.
    Type: Grant
    Filed: December 8, 1994
    Date of Patent: July 16, 1996
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Kunihiro Ninomiya, deceased, Ken-ichi Saito, Mamoru Sugano, Akihiro Tobe, Yasuhiro Morinaka, Tomoko Bessho, Haruko Harada
  • 4-acylaminopyridine derivative
    Patent number: 5397785
    Abstract: A novel 4-acylaminopyridine derivative represented by the following formula (I) is disclosed. ##STR1## The 4-acylaminopyridine derivative of the present invention is useful as a medicine for treating disturbances of memory such as senile dementia and Alzheimer's disease, since it has an action of directly activating malfunctioned cholinergic neuron.
    Type: Grant
    Filed: September 2, 1993
    Date of Patent: March 14, 1995
    Assignee: Mitsubishi Kasei Corporation
    Inventors: Kunihiro Ninomiya, deceased, Ken-ichi Sato, Mamoru Sugano, Akihiro Tobe, Yasuhiro Morinaka, Tomoko Bessho, Haruko Harada