Patents by Inventor Mikito Asai

Mikito Asai 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).

  • Processes for production of intermediates for 2-alkyl cephem compounds
    Patent number: 9527866
    Abstract: The invention relates to processes for the production of intermediates for preparing 2-alkyl cephem compounds useful as antimicrobial drugs. The invention provides a process which comprises oxidating a compound of the formula (I) or a salt thereof to give a compound of the formula (II) or a salt thereof wherein each symbol is as defined in the specification.
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: December 27, 2016
    Assignee: SHIONOGI & CO., LTD.
    Inventors: Katsuki Yokoo, Shinya Hisakawa, Kenji Yamawaki, Toshiaki Aoki, Yutaka Yokota, Masatoshi Takeo, Mikito Asai
  • PROCESSES FOR PRODUCTION OF INTERMEDIATES FOR 2-ALKYL CEPHEM COMPOUNDS
    Publication number: 20150291619
    Abstract: The invention relates to processes for the production of intermediates for preparing 2-alkyl cephem compounds useful as antimicrobial drugs. The invention provides a process which comprises oxidating a compound of the formula (I) or a salt thereof to give a compound of the formula (II) or a salt thereof wherein each symbol is as defined in the specification.
    Type: Application
    Filed: October 29, 2013
    Publication date: October 15, 2015
    Inventors: Katsuki Yokoo, Shinya Hisakawa, Kenji Yamawaki, Toshiaki Aoki, Yutaka Yokota, Masatoshi Takeo, Mikito Asai