Patents by Inventor Ichiro Koshimizu

Ichiro Koshimizu 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).

  • Purine derivative and antitumor agent using same
    Patent number: 9132130
    Abstract: Disclosed are: a novel purine derivative, a composition thereof, a method for treating tumor using the purine derivative, and an antitumor agent using the purine derivative. Specifically disclosed is a compound represented by formula (I), or a pharmaceutically acceptable salt, solvate or hydrate thereof, or a prodrug thereof.
    Type: Grant
    Filed: April 28, 2010
    Date of Patent: September 15, 2015
    Assignee: ZENYAKU KOGYO KABUSHIKI KAISHA
    Inventors: Toshiaki Suzuki, Hideki Satoh, Toshiyuki Matsuno, Kenichi Saitoh, Soichi Ohta, Manami Masuda, Shinichi Yaguchi, Ichiro Koshimizu, Yuriko Watanabe, Yoshie Minowa, Masayuki Takahashi, Tomoyoshi Kayou
  • PURINE DERIVATIVE AND ANTITUMOR AGENT USING SAME
    Publication number: 20120088765
    Abstract: Disclosed are: a novel purine derivative, a composition thereof, a method for treating tumor using the purine derivative, and an antitumor agent using the purine derivative. Specifically disclosed is a compound represented by formula (I), or a pharmaceutically acceptable salt, solvate or hydrate thereof, or a prodrug thereof.
    Type: Application
    Filed: April 28, 2010
    Publication date: April 12, 2012
    Applicant: Zenyaku Kogyo Kabushikikaisha
    Inventors: Toshiaki Suzuki, Hideki Satoh, Toshiyuki Matsuno, Kenichi Saitoh, Soichi Ohta, Manami Masuda, Shinichi Yaguchi, Ichiro Koshimizu, Yuriko Watanabe, Yoshie Minowa, Masayuki Takahashi, Tomoyoshi Kayou
  • Treatment of prostate cancer, melanoma or hepatic cancer
    Publication number: 20070244110
    Abstract: The present application describes a method of treating prostate cancer, melanoma or hepatic cancer in a subject in need thereof, the method comprising administering to said subject a therapeutically effective amount of the heterocyclic compound represented by Formula I or its pharmaceutically acceptable salt:
    Type: Application
    Filed: April 14, 2006
    Publication date: October 18, 2007
    Applicant: ZENYAKU KOGYO KABUSHIKI KAISHA
    Inventors: Shinichi Yaguchi, Ichiro Koshimizu, Hisashi Yoshimi, Toshiyuki Matsuno, Tetsuo Watanabe, Yoshio Tsuchida, Kenichi Saitoh