Patents by Inventor Channarayapatna Lakshmi

Channarayapatna Lakshmi 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).

  • INKJET PRINTER HAVING PRINTHEAD AND INK FOR MINIMIZING CORROSION OF EXPOSED CORRODIBLE STRUCTURES WITHIN PRINTHEAD
    Publication number: 20170218215
    Abstract: An inkjet printer includes: an inkjet printhead having an exposed corrodible structure containing silicon nitride, borophosphosilicate glass (BPSG) or silicon oxide; and an ink reservoir containing said ink which is in fluid communication with said printhead. The ink includes: water; a dye; and a metal additive for minimizing corrosion of the exposed structure.
    Type: Application
    Filed: January 26, 2015
    Publication date: August 3, 2017
    Inventors: Simon Fielder, Michele Gimona, Katja Johanna Digweed, Channarayapatna Lakshmi
  • Inkjet printer having printhead and ink for minimizing corrosion of exposed corrodible structures within printhead
    Patent number: 9718979
    Abstract: An Inkjet printer includes: an inkjet printhead having an exposed corrodible structure containing silicon nitride, borophosphosilicate glass (BPSG) or silicon oxide; and an ink reservoir containing said ink which is in fluid communication with said printhead. The ink includes: water; a dye; and a metal additive for minimizing corrosion of the exposed structure.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: August 1, 2017
    Assignee: Memjet Technology Limited
    Inventors: Simone Fielder, Michele Gimona, Katja Johanna Digweed, Channarayapatna Lakshmi