Patents by Inventor Taisuke Hamamoto

Taisuke Hamamoto 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).

  • Amide derivative
    Patent number: 7494997
    Abstract: The present invention provides an amide derivative represented by the following general formula (1): wherein R1 represents a saturated cyclic amino group, R2 represents alkyl, halogen or haloalkyl, R3 represents hydrogen or halogen, Het 2 represents pyridyl or pyrimidinyl, and Het 1 represents a group of the formula [6], or a salt thereof, and a pharmaceutical composition comprising the same as an active ingredient. The compound of the present invention is useful as a BCR-ABL tyrosine kinase inhibitor.
    Type: Grant
    Filed: June 27, 2003
    Date of Patent: February 24, 2009
    Assignee: Nippon Shinyaku Co., Ltd.
    Inventors: Tetsuo Asaki, Taisuke Hamamoto, Yukiteru Sugiyama
  • Heterocyclic compound derivatives and medicines
    Patent number: 7205302
    Abstract: The present invention provides a compound which is useful as a PGI2 receptor agonist, and a pharmaceutical composition. The present invention is directed to a pharmaceutical composition comprising a compound represented by the following formula [1]: (R1 and R2 are the same or different and each represents optionally substituted aryl, Y represents N or CH, Z represents N or CH, A represents NH, NR5, O, S, or ethylene, R5 represents alkyl, D represents alkylene or alkenylene, E represents phenylene or single bond, G represents O, S, or CH2, R3 and R4 are the same or different and each represents hydrogen or alkyl, Q represents carboxy, alkoxycarbonyl, tetrazolyl, carbamoyl, or N-(alkylsulfonyl)carbamoyl), or a pharmaceutically acceptable salt thereof as an active ingredient.
    Type: Grant
    Filed: April 25, 2002
    Date of Patent: April 17, 2007
    Assignee: Nippon Shinyaku Co., Ltd.
    Inventors: Tetsuo Asaki, Taisuke Hamamoto, Keiichi Kuwano
  • Amide derivative
    Publication number: 20060014742
    Abstract: The present invention provides an amide derivative represented by the following general formula (1): wherein R1 represents a saturated cyclic amino group, R2 represents alkyl, halogen or haloalkyl, R3 represents hydrogen or halogen, Het 2 represents pyridyl or pyrimidinyl, and Het 1 represents a group of the formula [6], or a salt thereof, and a pharmaceutical composition comprising the same as an active ingredient. The compound of the present invention is useful as a BCR-ABL tyrosine kinase inhibitor.
    Type: Application
    Filed: June 27, 2003
    Publication date: January 19, 2006
    Inventors: Tetsuo Asaki, Taisuke Hamamoto, Yukiteru Sugiyama
  • Heterocyclic compound derivatives and medicines
    Publication number: 20040102436
    Abstract: The present invention provides a compound which is useful as a PGI2 receptor agonist, and a pharmaceutical composition.
    Type: Application
    Filed: October 23, 2003
    Publication date: May 27, 2004
    Inventors: Tetsuo Asaki, Taisuke Hamamoto, Keiichi Kuwano