Patents by Inventor Oi Gao

Oi Gao 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).

  • Ginkgo biloba composition method to prepare the same and uses thereof
    Patent number: 6187314
    Abstract: This invention provides different compositions extracted from Ginkgo biloba leaves. Said compositions comprise new active components. This invention also provides a method of preparation of the compositions and individual components of said compositions. Finally, this invention provides various uses of this composition.
    Type: Grant
    Filed: June 12, 1998
    Date of Patent: February 13, 2001
    Assignee: Shanghai Inst. of Chinese Materia Medica
    Inventors: De Long Xie, Ning Wang, Oi Gao, Guo An Zhang, Bao Ping Shao, Xiao Wu Jin, Xin Sheng Huang