Patents by Inventor Toshiaki Jouno

Toshiaki Jouno 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).

  • Process for producing quinolonecarboxylic acids and intermediates thereof
    Patent number: 6825353
    Abstract: This invention relates to methods for the efficient production of quinolonecarboxylic acid based synthetic antibacterial agents which are expected for applications such as excellent medicaments and agricultural chemicals and to intermediate compounds to be used therein. According to the present invention, an amine substituent as the 7-position substituent of the quinolonecarboxylic acid derivative can be efficiently introduced.
    Type: Grant
    Filed: August 22, 2002
    Date of Patent: November 30, 2004
    Assignee: Daiichi Pharmaceutical Co., Ltd.
    Inventors: Tatsuru Saito, Toshiaki Jouno, Yuichiro Tani, Toshifumi Akiba
  • Process for producing quinolonecarboxlic acids and intermediates thereof
    Publication number: 20030060631
    Abstract: This invention relates to methods for the efficient production of quinolonecarboxylic acid based synthetic antibacterial agents which are expected for applications such as excellent medicaments and agricultural chemicals and to intermediate compounds to be used therein. According to the present invention, an amine substituent as the 7-position substituent of the quinolonecarboxylic acid derivative can be efficiently introduced.
    Type: Application
    Filed: August 22, 2002
    Publication date: March 27, 2003
    Inventors: Tatsuru Saito, Toshiaki Jouno, Yuichiro Tani, Toshifumi Akiba