Patents by Inventor Katsumi Ikezono

Katsumi Ikezono 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: 7932276
    Abstract: The present invention provides a useful and highly safe agent for the treatment of chronic obstructive pulmonary disease, which contains, as the effective ingredient, at least one compound selected from the group consisting of thiazole derivatives and salts thereof represented by the general formula (1), wherein, R1 is a phenyl group which may have 1 to 3 lower alkoxy groups as the substituents on the phenyl ring; R2 is a pyridyl group which may have 1 to 3 carboxyl groups as the substituents on the pyridine ring.
    Type: Grant
    Filed: June 8, 2007
    Date of Patent: April 26, 2011
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Kazuo Sekiguchi, Katsumi Ikezono, Kazuhide Ohta, Takashi Maeda, Hisashi Nagamoto
  • Publication number: 20080081828
    Abstract: The present invention provides a useful and highly safe agent for the treatment of chronic obstructive pulmonary disease, which contains, as the effective ingredient, at least one compound selected from the group consisting of thiazole derivatives and salts thereof represented by the general formula (1), wherein, R1 is a phenyl group which may have 1 to 3 lower alkoxy groups as the substituents on the phenyl ring; R2 is a pyridyl group which may have 1 to 3 carboxyl groups as the substituents on the pyridine ring.
    Type: Application
    Filed: June 8, 2007
    Publication date: April 3, 2008
    Inventors: Kazuo Sekiguchi, Katsumi Ikezono, Kazuhide Ohta, Takashi Maeda, Hisashi Nagamoto
  • Publication number: 20040147563
    Abstract: The present invention provides a useful and highly safe agent for curing chronic obstructive pulmonary disease, which contains, as the effective ingredient, at least one compound selected from the group consisting of thiazole derivatives and salts thereof represented by the general formula (1), 1
    Type: Application
    Filed: November 21, 2003
    Publication date: July 29, 2004
    Inventors: Kazuo Sekiguchi, Katsumi Ikezono, Kazuhide Ohta, Takashi Maeda, Hisashi Nagamoto