Patents by Inventor Antonello Schiaffo

Antonello Schiaffo 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).

  • Patent number: 9069114
    Abstract: A single-mode optical fiber for transmitting optical signals includes a central core region for guiding the optical signals, and a cladding region surrounding the core region and including a void-containing annular layer containing randomly distributed voids, wherein the void-containing layer is doped with fluorine at a concentration of less than 1 wt % and has a radial thickness equal to or smaller than 3 ?m.
    Type: Grant
    Filed: July 23, 2010
    Date of Patent: June 30, 2015
    Assignee: PRYSMIAN S.P.A.
    Inventors: Antonio Adigrat, Franco Cocchini, Antonio Collaro, Antonello Schiaffo
  • Publication number: 20130121655
    Abstract: A single-mode optical fibre for transmitting optical signals includes a central core region for guiding the optical signals, and a cladding region surrounding the core region and including a void-containing annular layer containing randomly distributed voids, wherein the void-containing layer is doped with fluorine at a concentration of less than 1 wt % and has a radial thickness equal to or smaller than 3 ?m.
    Type: Application
    Filed: July 23, 2010
    Publication date: May 16, 2013
    Inventors: Antonio Adigrat, Franco Cocchini, Antonio Collaro, Antonello Schiaffo