Patents by Inventor Lignyun Cheng

Lignyun Cheng 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).

  • MATERIALS AND METHODS FOR DELIVERING COMPOSITIONS TO SELECTED TISSUES
    Publication number: 20130236518
    Abstract: This invention relates to devices, systems and methods for delivering preprogrammed quantities of an active ingredient to a biological system over time without the need for external power or electronics.
    Type: Application
    Filed: May 3, 2013
    Publication date: September 12, 2013
    Applicant: The Regents of the University of California
    Inventors: William R. Freeman, Michael J. Sailor, Lignyun Cheng
  • MATERIALS AND METHODS FOR DELIVERING COMPOSITIONS TO SELECTED TISSUES
    Publication number: 20100196435
    Abstract: This invention relates to devices, systems and methods for delivering preprogrammed quantities of an active ingredient to a biological system over time without the need for external power or electronics.
    Type: Application
    Filed: July 9, 2008
    Publication date: August 5, 2010
    Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: William R. Freeman, Michael J. Sailor, Lignyun Cheng