Patents by Inventor Yizhe Wang

Yizhe Wang 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).

  • Fused pyridopyridazine inhibitors of cGMP phosphodiesterase
    Patent number: 6316438
    Abstract: Compounds of the formula are useful as inhibitors of cGMP PDE especially Type 5.
    Type: Grant
    Filed: March 15, 2000
    Date of Patent: November 13, 2001
    Assignee: Bristol-Myers Squibb Co.
    Inventors: Guixue Yu, John Macor, Soojin Kim, Hyei-Jha Chung, Michael Humora, Kishta Katipally, Yizhe Wang