Patents by Inventor Ya-Yang Yen

Ya-Yang Yen 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).

  • PIEZOELECTRIC WIRE EDM
    Publication number: 20160039027
    Abstract: An electrode wire and a process of making a wire EDM machine tool electrode for use in an electric discharge machining apparatus includes a metallic core and a piezoelectric responsive coating disposed on the core.
    Type: Application
    Filed: May 28, 2015
    Publication date: February 11, 2016
    Inventor: YA-YANG YEN
  • Core-Sheath Wire Electrode for a Wire-Cut Electrical Discharge Machine
    Publication number: 20150357071
    Abstract: A core-sheath wire electrode for a wire-cut electrical discharge machine includes a metallic core of a metallic material, and a piezoelectric sheath surrounding the metallic core and made of a piezoelectric material of a metal compound. The metal compound includes zinc oxide, cadmium sulfide, or aluminum nitride, and has a hexagonal crystal structure or a face-centered cubic crystal structure.
    Type: Application
    Filed: October 21, 2014
    Publication date: December 10, 2015
    Inventor: Ya-Yang Yen