Patents by Inventor Parkpoom Jarupoom

Parkpoom Jarupoom 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).

  • Lead-free piezoelectric materials with enhanced fatigue resistance
    Patent number: 8734670
    Abstract: A lead-free piezoelectric ceramic material has the general chemical formula xBi(A0.5Ti0.5)O3-y(Bi0.5K0.5)TiO3-z(Bi0.5Na0.5)TiO3, wherein x+y+z=1, x?0, and A=Ni or Mg.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: May 27, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Yu Hong Jeon, David Cann, Eric Patterson, Parkpoom Jarupoom, Brady Gibbons, Peter Mardilovich
  • LEAD-FREE PIEZOELECTRIC MATERIALS WITH ENHANCED FATIGUE RESISTANCE
    Publication number: 20130153812
    Abstract: A lead-free piezoelectric ceramic material has the general chemical formula xBi(A0.5Ti0.5)O3-y(Bi0.5K0.5)TiO3-z(Bi0.5Na0.5)TiO3, wherein x+y+z=1, x?0, and A=Ni or Mg.
    Type: Application
    Filed: September 30, 2010
    Publication date: June 20, 2013
    Inventors: Yu Hong Jeon, David Cann, Eric Patterson, Parkpoom Jarupoom, Brady Gibbons, Peter Mardilovich