Patents by Inventor Shahram Seyedmohammadi

Shahram Seyedmohammadi 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).

  • DOPED PHOTOVOLTAIC SEMICONDUCTOR LAYERS AND METHODS OF MAKING
    Publication number: 20240063316
    Abstract: Provided are structures and methods for doping polycrystalline thin film semiconductor materials in photovoltaic devices. Embodiments include methods for forming and treating a photovoltaic semiconductor absorber layer.
    Type: Application
    Filed: October 16, 2023
    Publication date: February 22, 2024
    Applicant: First Solar, Inc.
    Inventors: Sachit Grover, Stuart Irvine, Xiaoping Li, Roger Malik, Shahram Seyedmohammadi, Gang Xiong, Wei Zhang
  • Doped photovoltaic semiconductor layers and methods of making
    Patent number: 11791427
    Abstract: Provided are structures and methods for doping polycrystalline thin film semiconductor materials in photovoltaic devices. Embodiments include methods for forming and treating a photovoltaic semiconductor absorber layer.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: October 17, 2023
    Assignee: First Solar, Inc.
    Inventors: Sachit Grover, Stuart Irvine, Xiaoping Li, Roger Malik, Shahram Seyedmohammadi, Gang Xiong, Wei Zhang
  • DOPED PHOTOVOLTAIC SEMICONDUCTOR LAYERS AND METHODS OF MAKING
    Publication number: 20220045225
    Abstract: Provided are structures and methods for doping polycrystalline thin film semiconductor materials in photovoltaic devices. Embodiments include methods for forming and treating a photovoltaic semiconductor absorber layer.
    Type: Application
    Filed: October 25, 2021
    Publication date: February 10, 2022
    Applicant: First Solar, Inc.
    Inventors: Sachit Grover, Stuart Irvine, Xiaoping Li, Roger Malik, Shahram Seyedmohammadi, Gang Xiong, Wei Zhang
  • Doped photovoltaic semiconductor layers and methods of making
    Patent number: 11158749
    Abstract: Provided are structures and methods for doping polycrystalline thin film semiconductor materials in photovoltaic devices. Embodiments include methods for forming and treating a photovoltaic semiconductor absorber layer.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: October 26, 2021
    Assignee: First Solar, Inc.
    Inventors: Sachit Grover, Stuart Irvine, Xiaoping Li, Roger Malik, Shahram Seyedmohammadi, Gang Xiong, Wei Zhang
  • DOPED PHOTOVOLTAIC SEMICONDUCTOR LAYERS AND METHODS OF MAKING
    Publication number: 20210143288
    Abstract: Provided are structures and methods for doping polycrystalline thin film semiconductor materials in photovoltaic devices. Embodiments include methods for forming and treating a photovoltaic semiconductor absorber layer.
    Type: Application
    Filed: February 22, 2018
    Publication date: May 13, 2021
    Applicant: First Solar, Inc.
    Inventors: Sachit Grover, Stuart Irvine, Xiaoping Li, Roger Malik, Shahram Seyedmohammadi, Gang Xiong, Wei Zhang
  • Silver solar cell contacts
    Patent number: 10038109
    Abstract: Solar cell conductor formulations made are from two silver powders having different particle size distributions, an aluminum powder, and two frit glass compositions having softening points in the range of 250-700° C. and whose softening points differ by at least 10° C.
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: July 31, 2018
    Assignee: Heraeus Precious Metals North America Conshohocken LLC
    Inventors: Shahram Seyedmohammadi, Himal Khatri, Srinivasan Sridharan, Aziz S. Shaikh
  • SILVER SOLAR CELL CONTACTS
    Publication number: 20150027524
    Abstract: Solar cell conductor formulations made are from two silver powders having different particle size distributions, an aluminum powder, and two frit glass compositions having softening points in the range of 250-700° C. and whose softening points differ by at least 10° C.
    Type: Application
    Filed: September 5, 2012
    Publication date: January 29, 2015
    Applicant: HERAEUS PRECIOUS METALS NORTH AMERICA CONSHOHOCKEN LLC
    Inventors: Shahram Seyedmohammadi, Himal Khatri, Srinivasan Sridharan, Aziz S. Shaikh