Patents by Inventor Shiyou Li

Shiyou Li 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).

  • Camptotheca lowreyana tree named ‘Katie’
    Patent number: PP11959
    Abstract: A new and distinct cultivar of Camptotheca lowreyana tree named ‘Katie’, characterized by its freely and vigorously branching; dense and full plant habit; small leaf size; lanceolate to elliptic leaf shape; leaves from both juvenile and mature trees with entire leaf margins; lower temperature and drought tolerance; and high yield of anti-cancer camptothecin in leaves.
    Type: Grant
    Filed: April 14, 1999
    Date of Patent: June 26, 2001
    Assignee: Stephen R. Austin State University
    Inventor: Shiyou Li