Patents by Inventor Soichi Ohta

Soichi Ohta 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).

  • 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
  • Patent number: 8563715
    Abstract: [Problem] To provide a prophylactic/therapeutic agent against, for example, nerve diseases and the like such as ischemic brain disease and neurodegenerative disease, or a prophylactic/therapeutic agent against diseases against which antioxidant action is effective, as a cell protecting agent, in particular as an inhibitor of brain cell damage or brain cell death.
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: October 22, 2013
    Assignee: Zenyaku Kogyo Kabushikikaisha
    Inventors: Takeshi Nagata, Toshiaki Suzuki, Akira Yoshimura, Naoto Tadano, Toshiyuki Matsuno, Hideki Satoh, Kenichi Saitoh, Soichi Ohta
  • 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
  • Publication number: 20110152519
    Abstract: [Problem] To provide a prophylactic/therapeutic agent against, for example, nerve diseases and the like such as ischemic brain disease and neurodegenerative disease, or a prophylactic/therapeutic agent against diseases against which antioxidant action is effective, as a cell protecting agent, in particular as an inhibitor of brain cell damage or brain cell death.
    Type: Application
    Filed: March 31, 2009
    Publication date: June 23, 2011
    Applicant: ZENYAKU KOGYO KABUSHIKIKAISHA
    Inventors: Takeshi Nagata, Toshiaki Suzuki, Akira Yoshimura, Naoto Tadano, Toshiyuki Matsuno, Hideki Satoh, Kenichi Saitoh, Soichi Ohta