Patents by Inventor PilSu Ho

PilSu Ho 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).

  • Optically active chroman and thiochroman derivatives
    Patent number: 6610733
    Abstract: The present invention includes a compound having the following general formula (1): in which x represents an oxygen atom or a sulfur atom, m represents an integer of 2 to 14, and n represents an integer of 2 to 7, or hydrates or pharmaceutically acceptable salts thereof. The compound of general formula (1) is advantageous in pharmaceutical use because of its far superior anti-estrogenic activity over the corresponding racemic mixture.
    Type: Grant
    Filed: June 13, 2002
    Date of Patent: August 26, 2003
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: SungDae Park, HeeAn Kwon, HongKi Kim, PilSu Ho, Kazumi Morikawa, Yoshitake Kanbe, Masahiro Nishimoto, MyungHwa Kim
  • Optically active chroman and thiochroman derivatives
    Publication number: 20030125571
    Abstract: The present invention includes a compound having the following general formula (1): 1
    Type: Application
    Filed: June 13, 2002
    Publication date: July 3, 2003
    Inventors: SungDae Park, HeeAn Kwon, HongKi Kim, PilSu Ho, Kazumi Morikawa, Yoshitake Kanbe, Masahiro Nishimoto, MyungHwa Kim
  • 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