Patents by Inventor Yukihito Sumino

Yukihito Sumino 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).

  • METHOD OF PRODUCING PYRONE AND PYRIDONE DERIVATIVES
    Publication number: 20120022251
    Abstract: The present invention provides a pyrone derivative and a pyridone derivative, which are novel intermediates for synthesizing an anti-influenza drug, a method of producing the same, and a method of using the same.
    Type: Application
    Filed: March 26, 2010
    Publication date: January 26, 2012
    Inventors: Yukihito Sumino, Kazuya Okamoto, Moriyasu Masui, Toshiyuki Akiyama