Patents by Inventor Joseph Gurwich

Joseph Gurwich 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).

  • Structure for a waveguide facet
    Patent number: 12055758
    Abstract: The invention relates to an input or output facet for an on-chip optical waveguide, the facet comprising a grid of gradually expanding unit-cells such as cones or pyramids.
    Type: Grant
    Filed: December 29, 2019
    Date of Patent: August 6, 2024
    Assignee: B.G. NEGEV TECHNOLOGIES & APPLICATIONS LTD., AT BEN-GURION UNIVERSITY
    Inventors: Alina Karabchevsky, Joseph Gurwich
  • STRUCTURE FOR A WAVEGUIDE FACET
    Publication number: 20220120969
    Abstract: The invention relates to an input or output facet for an on-chip optical waveguide, the facet comprising a grid of gradually expanding unit-cells such as cones or pyramids.
    Type: Application
    Filed: December 29, 2019
    Publication date: April 21, 2022
    Inventors: Alina KARABCHEVSKY, Joseph GURWICH
  • Method and system for displaying an informative image against a background image
    Publication number: 20060132914
    Abstract: Incident image displaying device for displaying at least one incident image against a scene image of a scene, the incident image displaying device including at least one light guide, at least one input beam transforming element, at least one output beam transforming element and a scene image reflector, each of the input beam transforming element and the output beam transforming element being incorporated with a respective light guide, the scene image reflector being located behind the light guide, the input beam transforming element receiving incident light beams respective of the incident image from a respective one of at least one image source, the output beam transforming element being associated with a respective input beam transforming element, the scene image reflector reflecting the scene image through at least a portion of the output beam transforming element, wherein the input beam transforming element couples the incident light beams into the respective light guide as a set of coupled light beams, t
    Type: Application
    Filed: June 9, 2004
    Publication date: June 22, 2006
    Inventors: Victor Weiss, Joseph Gurwich