Patents by Inventor Donglei Yu

Donglei Yu 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).

  • 3,28-DISUBSTITUTED BETULINIC ACID DERIVATIVES AS ANTI-HIV AGENTS
    Publication number: 20120101098
    Abstract: Compounds according to Formula (I) are described along with compositions containing the same and methods of use thereof for the treatment of viral infections.
    Type: Application
    Filed: May 10, 2010
    Publication date: April 26, 2012
    Inventors: Kuo-Hsiung Lee, Keduo Qian, Donglei Yu, Chin-Ho Chen, Li Huang, Ibrahim Danlami Bori
  • Strip-type saw bit for vibrating saw
    Patent number: D741135
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: October 20, 2015
    Assignee: NANJING JIN MEDIA TOOLS CO., LTD.
    Inventors: Xiangjing Yang, Donglei Yu
  • Fan-type saw bit for vibrating saw
    Patent number: D741136
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: October 20, 2015
    Assignee: NANJING JIN MEIDA TOOLS CO., LTD.
    Inventors: Xiangjing Yang, Donglei Yu
  • Circular saw bit for vibrating saw
    Patent number: D741137
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: October 20, 2015
    Assignee: NANJING JIN MEIDA TOOLS CO., LTD.
    Inventors: Xiangjing Yang, Donglei Yu