Patents by Inventor Lenzi J. Williams

Lenzi J. Williams 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: 11933671
    Abstract: A gold nanoporous anodic aluminum oxide (NAAO) substrate used in coordination with a handheld Surface-Enhanced Raman Spectroscopy (SERS) device for detecting phenylalanine (Phe) in a sample collected from a subject, the gold NAAO substrate comprising a multilayered nanoporous aluminum layer; and a gold layer disposed on top of the multilayered nanoporous aluminum layer. The gold layer comprises gold nanoparticles.
    Type: Grant
    Filed: July 6, 2023
    Date of Patent: March 19, 2024
    Assignee: METGEN, INCORPORATED
    Inventors: Richard D. Shunnarah, Hugh F. Garvey, Lenzi J. Williams, Devon Fish
  • Patent number: 11933672
    Abstract: A method for fabrication of a gold nanoporous anodic aluminum oxide (NAAO) substrate used in coordination with a handheld Surface-Enhanced Raman Spectroscopy (SERS) device for detecting phenylalanine (Phe) in a sample collected from a subject, the method comprising forming a three-phase system on top of a multilayered nanoporous aluminum layer of the gold NAAO substrate; injecting a cosolvent solution into the three-phase system, wherein the cosolvent solution comprises gold nanoparticles; forming a gold layer on top of the multilayered nanoporous aluminum layer, and drying the gold NAAO substrate.
    Type: Grant
    Filed: July 6, 2023
    Date of Patent: March 19, 2024
    Assignee: METGEN, INCORPORATED
    Inventors: Richard D. Shunnarah, Hugh F. Garvey, Lenzi J. Williams, Devon Fish
  • Publication number: 20230358609
    Abstract: A gold nanoporous anodic aluminum oxide (NAAO) substrate used in coordination with a handheld Surface-Enhanced Raman Spectroscopy (SERS) device for detecting phenylalanine (Phe) in a sample collected from a subject, the gold NAAO substrate comprising a multilayered nanoporous aluminum layer; and a gold layer disposed on top of the multilayered nanoporous aluminum layer. The gold layer comprises gold nanoparticles.
    Type: Application
    Filed: July 6, 2023
    Publication date: November 9, 2023
    Inventors: Richard D. Shunnarah, Hugh F. Garvey, Lenzi J. Williams, Devon Fish
  • Publication number: 20230349756
    Abstract: A method for fabrication of a gold nanoporous anodic aluminum oxide (NAAO) substrate used in coordination with a handheld Surface-Enhanced Raman Spectroscopy (SERS) device for detecting phenylalanine (Phe) in a sample collected from a subject, the method comprising forming a three-phase system on top of a multilayered nanoporous aluminum layer of the gold NAAO substrate; injecting a cosolvent solution into the three-phase system, wherein the cosolvent solution comprises gold nanoparticles; forming a gold layer on top of the multilayered nanoporous aluminum layer, and drying the gold NAAO substrate.
    Type: Application
    Filed: July 6, 2023
    Publication date: November 2, 2023
    Inventors: Richard D. Shunnarah, Hugh F. Garvey, Lenzi J. Williams, Devon Fish
  • Patent number: 11747199
    Abstract: A handheld Surface-Enhanced Raman Spectroscopy (SERS) device for detecting phenylalanine (Phe) in a sample collected from a subject, the device comprising a laser generator configured to produce a laser beam; a nanoporous anodic aluminum oxide (NAAO) substrate configured to receive the sample collected from the subject; and a light sensor configured to receive a light.
    Type: Grant
    Filed: August 16, 2022
    Date of Patent: September 5, 2023
    Assignee: METGEN, INCORPORATED
    Inventors: Richard D. Shunnarah, Hugh F. Garvey, Lenzi J. Williams, Devon Fish
  • Publication number: 20230057894
    Abstract: A handheld Surface-Enhanced Raman Spectroscopy (SERS) device for detecting phenylalanine (Phe) in a sample collected from a subject, the device comprising a laser generator configured to produce a laser beam; a nanoporous anodic aluminum oxide (NAAO) substrate configured to receive the sample collected from the subject; and a light sensor configured to receive a light.
    Type: Application
    Filed: August 16, 2022
    Publication date: February 23, 2023
    Inventors: Richard D. Shunnarah, Hugh F. Garvey, Lenzi J. Williams, Devon Fish