Patents by Inventor Ui Wei Leu

Ui Wei Leu 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).

  • Electroplating Process for Using Trivalent Chromium Electroplating Solution
    Publication number: 20100155256
    Abstract: A trivalent chromium electroplating solution in accordance with the present invention contains at least one trivalent chromium salt for electroplating a chromium coating layer on a workpiece. By using the low toxic trivalent chromium to substitute highly toxic hexavalent chromium, an electroplating process of the present trivalent chromium electroplating solution has less pollution.
    Type: Application
    Filed: February 11, 2010
    Publication date: June 24, 2010
    Applicant: CHANG GUNG UNIVERSITY
    Inventors: Ching-An Huang, Chun-Ching Hsu, Ui-Wei Leu
  • Trivalent chromium electroplating solution and an electroplating process with the solution
    Publication number: 20080169199
    Abstract: A trivalent chromium electroplating solution in accordance with the present invention contains at least one trivalent chromium salt for electroplating a chromium coating layer on a workpiece. By using the low toxic trivalent chromium to substitute highly toxic hexavalent chromium, an electroplating process of the present trivalent chromium electroplating solution has less pollution.
    Type: Application
    Filed: January 17, 2007
    Publication date: July 17, 2008
    Applicant: CHANG GUNG UNIVERSITY
    Inventors: Ching An Huang, Chun Ching Hsu, Ui Wei Leu