Patents by Inventor Kazuo Okimoto

Kazuo Okimoto 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: 6743803
    Abstract: Medicines for the prevention and treatment of neurodegenerative diseases such as Alzheimer's disease and schizophrenia of mammals (including human beings) through the retardation or inhibition of neurodegeneration due to hypofunction of glutamic acid receptor and which contain as an active ingredient 5-substituted-3-oxadiazolyl-1,6-naphthyridin-2(1H)-one derivatives of the formula (I): wherein Het is oxadiazolyl; R1 is hydrogen, lower alkyl, cyclo-lower alkyl, lower alkenyl, lower alkoxy, substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl, etc.; and R2 is hydrogen, lower alkyl, cyclo-lower alkyl, substituted or unsubstituted aryl, etc., or physiologically acceptable acid addition salts thereof.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: June 1, 2004
    Assignee: Dainippon Pharmaceutical Co., Ltd.
    Inventors: Kiyoshi Furukawa, Satoshi Kurumiya, Kazuo Okimoto, Kazunori Ohno
  • Publication number: 20030166673
    Abstract: Medicines for the prevention and treatment of neurodegenerative diseases such as Alzheimer's disease and schizophrenia of mammals (including human beings) through the retardation or inhibition of neurodegeneration due to hypofunction of glutamic acid receptor and which contain as an active ingredient 5-substituted-3-oxadiazolyl-1,6-naphthyridin-2(1H)-one derivatives of the formula (I): 1
    Type: Application
    Filed: December 20, 2002
    Publication date: September 4, 2003
    Inventors: Kiyoshi Furukawa, Satoshi Kurumiya, Kazuo Okimoto, Kazunori Ohno