Patents by Inventor Pei Fung Lee

Pei Fung Lee 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).

  • MICROSPHERIC TIO2 PHOTOCATALYST
    Publication number: 20140228203
    Abstract: The present invention refers to titanium oxide microspheres having photocatalytic properties which can, for example, be used in a method for cleaning wastewater which uses a submerged membrane reactor.
    Type: Application
    Filed: April 21, 2014
    Publication date: August 14, 2014
    Applicants: Nanyang Technological University, The Board of Trustees of The Leland Stanford Junior University
    Inventors: Darren Delai SUN, Pei Fung LEE, James O. LECKIE
  • Hollow porous microspheres
    Patent number: 8460547
    Abstract: The present invention refers to a hollow microsphere having a porous circumferential wall comprised of nanofilaments.
    Type: Grant
    Filed: July 14, 2008
    Date of Patent: June 11, 2013
    Assignees: Nanyang Technological University, The Board of Trustees of the Leland Stanford Junior University
    Inventors: Delai Darren Sun, Pei Fung Lee, Xiwang Zhang, Jianhong Du, James O. Leckie
  • HOLLOW POROUS MICROSPHERES
    Publication number: 20100264097
    Abstract: The present invention refers to a hollow microsphere having a porous circumferential wall comprised of nanofilaments.
    Type: Application
    Filed: July 14, 2008
    Publication date: October 21, 2010
    Applicant: NANYANG TECHNOLOGICAL UNIVERSITY
    Inventors: Delai Darren Sun, Pei Fung Lee, Xiwang Zhang, Jianhong Du, James O. Leckie
  • MICROSPHERIC TIO2 PHOTOCATALYST
    Publication number: 20100133182
    Abstract: The present invention refers to titanium oxide microspheres having photocatalytic properties which can, for example, be used in a method for cleaning wastewater which uses a submerged membrane reactor.
    Type: Application
    Filed: December 19, 2007
    Publication date: June 3, 2010
    Applicants: NANYANG TECHNOLOGICAL UNIVERSITY, THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
    Inventors: Darren Delai Sun, Pei Fung Lee, James O. Leckie