Patents by Inventor Samir El-Ghazaly

Samir El-Ghazaly 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).

  • Apparatus And Method To Reduce The Thermal Resistance Of Semiconductor Substrates
    Publication number: 20230290707
    Abstract: A semiconductor heat sink made of a first material including a plurality of spaced-apart depressions and an area surrounding the depressions filled with one or more materials having a heat conductivity greater than the first material.
    Type: Application
    Filed: January 17, 2023
    Publication date: September 14, 2023
    Applicant: BOARD OF TRUSTEES OF THE UNIVERSITY OF ARKANSAS
    Inventors: Amirreza Ghadimi Avval, Samir El-Ghazaly, Gregory J. Salamo, Shui-Qing Yu
  • INCREASING TRANSISTOR GAIN USING METAMATERIAL ELECTRODES
    Publication number: 20230124695
    Abstract: A transistor using patterned metamaterial electrode manipulating electromagnetic waves to achieve matched phase velocity on the input and output ports. A design method is taught wherein the layout of the electrodes can be designed to compensate for the phase-velocity mismatch induced by the transistor's intrinsic properties.
    Type: Application
    Filed: March 9, 2021
    Publication date: April 20, 2023
    Applicant: BOARD OF TRUSTEES OF THE UNIVERSITY OF ARKANSAS
    Inventors: Amirreza Ghadimi Avval, Samir El-Ghazaly
  • Microwave-Plasma Disinfector (Origreen)
    Publication number: 20220409758
    Abstract: A microwave-plasma disinfector (Origreen) with a microwave source with multi-feed points and variable output power. It also has a low-temperature atmospheric-pressure plasma source. This versatile microwave-plasma disinfector has the ability to decontaminate heat-sensitive materials by subjecting them to a microwave-assisted plasma with controlled microwave power.
    Type: Application
    Filed: June 29, 2022
    Publication date: December 29, 2022
    Applicant: BOARD OF TRUSTEES OF THE UNIVERSITY OF ARKANSAS
    Inventors: Samir El-Ghazaly, Amirreza Ghadimi Avval, Sara Ghayouraneh, Saleh Alfawaz, Ibrahim Alquaydheb
  • Apparatus And Method To Reduce The Thermal Resistance Of Semiconductor Substrates
    Publication number: 20200194333
    Abstract: A semiconductor heat sink made of a first material including a plurality of spaced-apart depressions and an area surrounding the depressions filled with one or more materials having a heat conductivity greater than the first material.
    Type: Application
    Filed: December 11, 2019
    Publication date: June 18, 2020
    Applicant: BOARD OF TRUSTEES OF THE UNIVERSITY OF ARKANSAS
    Inventors: Amirreza Ghadimi Avval, Samir El-Ghazaly, Gregory J. Salamo, Shui-Qing Yu
  • Electronically tuned active antenna apparatus
    Patent number: 6509875
    Abstract: An electrically active antenna apparatus comprising a substrate, a RF feed positioned on the substrate, a radiator element positioned on the substrate and adjacent to the RF feed such that the radiator element and the RF feed are electromagnetically coupled, and a plurality of active devices that make electrical contact with the radiator element. The plurality of active devices are biased to actively tune the resonance frequency of the radiator element.
    Type: Grant
    Filed: September 19, 2001
    Date of Patent: January 21, 2003
    Assignee: Motorola, Inc.
    Inventors: Vijay K. Nair, Samir El-Ghazaly