Patents by Inventor Yuelan Zhang

Yuelan Zhang 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).

  • Patent number: 7964651
    Abstract: A proton conducting polymer includes a polymer backbone and a heterocyclic compound attached to the polymer backbone. The heterocyclic compound includes a sulfonyl functionality bonded to heterocyclic compound.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: June 21, 2011
    Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., Georgia Tech Research Corporation
    Inventors: Siwen Li, Zhen Zhou, Yuelan Zhang, Meilin Liu, Wen Li
  • Publication number: 20080152985
    Abstract: A proton conducting polymer includes a polymer backbone and a heterocyclic compound attached to the polymer backbone. The heterocyclic compound includes a sulfonyl functionality bonded to heterocyclic compound.
    Type: Application
    Filed: December 21, 2006
    Publication date: June 26, 2008
    Applicants: Toyota Engineering & Manufacturing North America, Inc., Georgia Tech Research Corporation
    Inventors: Siwen Li, Zhen Zhou, Yuelan Zhang, Meilin Liu, Wen Li