Patents by Inventor Tadao Bamba

Tadao Bamba 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: 6653333
    Abstract: A digestive system disease therapeutic or preventive agent containing as an active ingredient a diaminotrifluoromethylpyridine derivative represented by the formula (I) or its salt: wherein X is a —CW1R1 group, a —COCOR2 group, a —CW1NHCOR2 group, a —C(═W1)W2R3 group or a —CW1N(R4)R5 group; Y is an alkyl group, a —CW3R6 group, a —COCOR7 group, a —NHCOR7 group, a —C(═W3)W4R8 group, a —(NH)mSO2R9 group, a —(NH)mSO2OR10 group or a —(NH)mSO2N(R11)R12 group; each of R1, R6 and R9 is a chain hydrocarbon group, a monocyclic hydrocarbon group, a polycyclic hydrocarbon group, a monocyclic heterocycle group or a polycyclic heterocycle group; each of R2 and R7 is an-alkyl group, an alkoxy group, a phenyl group or a phenoxy group; each of R3, R8 and R10 is an alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, a phenyl group or a benzyl group; each of R4, R5, R11 and R12 is an alkyl group; each of W1, W2,
    Type: Grant
    Filed: July 29, 2002
    Date of Patent: November 25, 2003
    Assignee: Ishihara Sangyo Kaisha, Ltd.
    Inventors: Shuichi Yotsuya, Hirohiko Kimura, Tadao Bamba
  • Publication number: 20030027843
    Abstract: A digestive system disease therapeutic or preventive agent containing as an active ingredient a diaminotrifluoromethylpyridine derivative represented by the formula (I) or its salt: 1
    Type: Application
    Filed: July 29, 2002
    Publication date: February 6, 2003
    Inventors: Shuichi Yotsuya, Hirohiko Kimura, Tadao Bamba