Patents by Inventor Hiromi Takeo

Hiromi Takeo 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).

  • Medical composition containing nitroetheneamine Derivative or salt there of as active constituent
    Patent number: 6596863
    Abstract: Process for producing a nitroetheneamine derivative or its stereoisomer, its tautomer or a salt thereof comprising reacting a compound of the formula with a compound of the formula R6—CH2NO2 to obtain a compound of the formula and reacting the resulting compound with a compound of the formula
    Type: Grant
    Filed: April 29, 2002
    Date of Patent: July 22, 2003
    Assignee: Ishihara Sangyo Kaisha, Ltd.
    Inventors: Fuminori Kato, Keizo Miyata, Hirohiko Kimura, Kazuhiro Yamamoto, Hiroyuki Ikegami, Hiromi Takeo
  • Medical composition containing nitroetheneamine derivative or salt thereof as active constituent
    Publication number: 20020198184
    Abstract: The present invention provides a medical composition containing, as an active constituent, a nitroetheneamine derivative represented by the formula (I): 1
    Type: Application
    Filed: April 29, 2002
    Publication date: December 26, 2002
    Applicant: ISHIHARA SANGYO KAISHA LTD.
    Inventors: Fuminori Kato, Keizo Miyata, Hirohiko Kimura, Kazuhiro Yamamoto, Hiroyuki Ikegami, Hiromi Takeo
  • Medical composition containing nitroetheneamine derivative or salt thereof as active constituent
    Patent number: 6451792
    Abstract: A medical composition containing, as an active constituent, a nitroetheneamine derivative represented by the formula (I): wherein the substituents are as defined in the disclosure, its stereoisomers, its tautomers or a salt thereof.
    Type: Grant
    Filed: March 20, 2001
    Date of Patent: September 17, 2002
    Assignee: Ishihara Sangyo Kaisha Ltd.
    Inventors: Fuminori Kato, Keizo Miyata, Hirohiko Kimura, Kazuhiro Yamamoto, Hiroyuki Ikegami, Hiromi Takeo