Patents by Inventor Yanchao Mao

Yanchao Mao 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).

  • Nanoporous piezoelectric polymer films for mechanical energy harvesting
    Patent number: 9444030
    Abstract: Piezoelectric materials based on nanoporous polymer foams are provided. Also provided are nanogenerators incorporating the piezoelectric materials, piezoelectric energy harvesters incorporating the nanogenerators and methods of making and using the same. The piezoelectric materials comprise a unitary nanoporous matrix composed of a piezoelectrically active organic polymer, in which the pores are interconnected and have nanoscale diameters.
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: September 13, 2016
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Xudong Wang, Yanchao Mao, Ping Zhao