Patents by Inventor KooHyeon Ahn

KooHyeon Ahn 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).

  • 3-methyl -chromane or thiochromane derivatives
    Patent number: 6555571
    Abstract: The present invention relates to 3-methyl-chromane or thiochromane derivatives, pharmaceutically acceptable salts, stereoisomers or hydrates thereof, and an anti-estrogenic pharmaceutical composition which comprises the above compound as an active component.
    Type: Grant
    Filed: June 13, 2002
    Date of Patent: April 29, 2003
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: JaeChon Jo, KooHyeon Ahn, JuSu Kim, PilSu Ho, Kazumi Morikawa, Yoshitake Kanbe, Masahiro Nishimoto, MyungHwa Kim
  • 3-methyl -chromane or thiochromane derivatives
    Publication number: 20030013756
    Abstract: The present invention relates to 3-methyl-chromane or thiochromane derivatives, pharmaceutically acceptable salts, stereoisomers or hydrates thereof, and an anti-estrogenic pharmaceutical composition which comprises the above compound as an active component.
    Type: Application
    Filed: June 13, 2002
    Publication date: January 16, 2003
    Inventors: JaeChon Jo, Koohyeon Ahn, Jusu Kim, Pilsu Ho, Kazumi Morikawa, Yoshitake Kanbe, Masahiro Nishimoto, Myunghwa Kim