Patents by Inventor Yousuke Kasuga

Yousuke Kasuga 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).

  • HSP90 inhibitor
    Patent number: 8399464
    Abstract: Disclosed is a triazole derivative(s) represented by the general formula (1) below or a pharmacologically acceptable salt(s) thereof. Also disclosed are a prodrug(s) of such a triazole derivative(s) and an HSP90 inhibitor(s) containing any one of them as an active constituent. (1) (In the formula, X represents a halogen atom, an optionally substituted alkyl group, an optionally substituted alkynyl group or the like; Y represents a mercapto group, a hydroxyl group, an optionally substituted sulfonyl group, an optionally substituted amino group or the like; and R represents an optionally substituted aryl or alkyl group or the like.
    Type: Grant
    Filed: March 8, 2006
    Date of Patent: March 19, 2013
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Hiroshi Kuramochi, Setsuko Niitsuma, Masaharu Nakamura, Yoshitaka Sato, Seiichi Saito, Arihiro Tomura, Yuh-ichiro Ichikawa, Yousuke Kasuga
  • Novel Hsp90 Inhibitor
    Publication number: 20080269218
    Abstract: Disclosed is a triazole derivative represented by the general formula (1) below or a pharmacologically acceptable salt thereof. Also disclosed are a prodrug of such a triazole derivative and an HSP90 inhibitor containing any one of them as an active constituent. (1) (In the formula, X represents a halogen atom, an optionally substituted alkyl group, an optionally substituted alkenyl group or the like; Y represents a mercapto group, a hydroxyl group, an optionally substituted sulfonyl group, an optionally substituted amino group or the like; and R represents an optionally substituted aryl or amino group or the like.
    Type: Application
    Filed: March 8, 2006
    Publication date: October 30, 2008
    Inventors: Hiroshi Kuramochi, Setsuko Niitsuma, Masaharu Nakamura, Yoshitaka Sato, Seiichi Saito, Arihiro Tomura, Yuh-Ichiro Ichikawa, Yousuke Kasuga