Patents by Inventor Wen-Han Tu

Wen-Han Tu 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).

  • Transition metal complexes, manufacturing method thereof, photovoltaic cells and manufacturing method thereof
    Patent number: 8535574
    Abstract: This invention provides a transition metal complex of formula MXY2Z and a manufacturing method thereof, wherein M is selected from iron, ruthenium, and osmium; X represents a ligand shown in formula (II) wherein R1 and R1? are independently selected from COOH, PO3H2, PO4H2, SO3H2, SO4H2, and derivatives thereof; Y is selected from H2O, Cl, Br, CN, NCO, NCS, and NCSe; Z represents a bidentate ligand having at least two fluorinated chains. In addition, this invention also provides photovoltaic cells and a manufacturing method thereof.
    Type: Grant
    Filed: April 15, 2010
    Date of Patent: September 17, 2013
    Assignee: National Taipei University of Technology
    Inventors: Norman Lu, Jia-Sheng Shing, Wen-Han Tu
  • RECYCLABLE CATALYSTS FOR ESTERIFICATION OR ACYLATION OF ALCOHOLS
    Publication number: 20120184748
    Abstract: A compound is useful as a recyclable catalyst for esterification or acylation of alcohols and consists of saccharine and a compound comprising a pyridine moiety. In addition, also a method of preparing the compound and an ester synthesis method using the compound are introduced.
    Type: Application
    Filed: May 25, 2011
    Publication date: July 19, 2012
    Applicant: NATIONAL TAIPEI UNIVERSITY OF TECHNOLOGY
    Inventors: NORMAN LU, WEN-HAN TU, CHIEH-KENG LI
  • TRANSITION METAL COMPLEXES, MANUFACTURING METHOD THEREOF, PHOTOVOLTAIC CELLS AND MANUFACTURING METHOD THEREOF
    Publication number: 20110253216
    Abstract: This invention provides a transition metal complex of formula MXY2Z and a manufacturing method thereof, wherein M is selected from iron, ruthenium, and osmium; X represents a ligand shown in formula (II) wherein R1 and R1? are independently selected from COOH, PO3H2, PO4H2, SO3H2, SO4H2, and derivatives thereof; Y is selected from H2O, Cl, Br, CN, NCO, NCS, and NCSe; Z represents a bidentate ligand having at least two fluorinated chains. In addition, this invention also provides photovoltaic cells and a manufacturing method thereof.
    Type: Application
    Filed: April 15, 2010
    Publication date: October 20, 2011
    Applicant: NATIONAL TAIPEI UNIVERSITY OF TECHNOLOGY
    Inventors: Norman Lu, Jia-Sheng Shing, Wen-Han Tu