Patents by Inventor Joao Marcos Correia Marques

Joao Marcos Correia Marques 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).

  • Targeted approach for ultraviolet disinfection of surfaces
    Patent number: 11865218
    Abstract: An embodiment may involve obtaining a three-dimensional image map of m surfaces within an environment, wherein the surfaces are associated with importance weights that represent how frequently the surfaces are expected to be touched; determining a set of n vantage points for a light source within the environment; calculating an m×n irradiance matrix for each of the surfaces when the light source is in each of the vantage points, wherein each entry in the m×n irradiance matrix is determined by: (i) rasterizing the three-dimensional image map, (ii) identifying a set of visible surfaces, and (iii) calculating an amount of light-based power that would reach each of the visible surfaces; determining a set of n dwell times for the vantage points; and providing instructions, to a disinfecting agent, to traverse at least a subset of the vantage points, pausing at and illuminating at least some.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: January 9, 2024
    Assignee: The Board of Trustees of the University of Illinois
    Inventors: Kristoffer Karl Hauser, Joao Marcos Correia Marques, Zherong Pan
  • Targeted Approach for Ultraviolet Disinfection of Surfaces
    Publication number: 20220088237
    Abstract: An embodiment may involve obtaining a three-dimensional image map of m surfaces within an environment, wherein the surfaces are associated with importance weights that represent how frequently the surfaces are expected to be touched; determining a set of n vantage points for a light source within the environment; calculating an m×n irradiance matrix for each of the surfaces when the light source is in each of the vantage points, wherein each entry in the m×n irradiance matrix is determined by: (i) rasterizing the three-dimensional image map, (ii) identifying a set of visible surfaces, and (iii) calculating an amount of light-based power that would reach each of the visible surfaces; determining a set of n dwell times for the vantage points; and providing instructions, to a disinfecting agent, to traverse at least a subset of the vantage points, pausing at and illuminating at least some.
    Type: Application
    Filed: October 30, 2020
    Publication date: March 24, 2022
    Inventors: Kristoffer Karl Hauser, Joao Marcos Correia Marques, Zherong Pan