Patents by Inventor Kwang-Ja Lee

Kwang-Ja Lee 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).

  • Methods for detecting vitamin D metabolites by mass spectrometry
    Patent number: 12287346
    Abstract: Provided are methods of detecting the presence or amount of a vitamin D metabolite in a sample using mass spectrometry. The methods generally directed to ionizing a vitamin D metabolite in a sample and detecting the amount of the ion to determine the presence or amount of the vitamin D metabolite in the sample. Also provided are methods to detect the presence or amount of two or more vitamin D metabolites in a single assay.
    Type: Grant
    Filed: January 30, 2024
    Date of Patent: April 29, 2025
    Assignee: Quest Diagnostics Investments LLC
    Inventors: Nigel J. Clarke, Brett Holmquist, Gloria Kwang-Ja Lee, Richard E. Reitz
  • METHODS FOR DETECTING VITAMIN D METABOLITES BY MASS SPECTROMETRY
    Publication number: 20240168039
    Abstract: Provided are methods of detecting the presence or amount of a vitamin D metabolite in a sample using mass spectrometry. The methods generally directed to ionizing a vitamin D metabolite in a sample and detecting the amount of the ion to determine the presence or amount of the vitamin D metabolite in the sample. Also provided are methods to detect the presence or amount of two or more vitamin D metabolites in a single assay.
    Type: Application
    Filed: January 30, 2024
    Publication date: May 23, 2024
    Inventors: Nigel J. Clarke, Brett Holmquist, Gloria Kwang-Ja Lee, Richard E. Reitz
  • Methods for detecting vitamin D metabolites by mass spectrometry
    Patent number: 11921122
    Abstract: Provided are methods of detecting the presence or amount of a vitamin D metabolite in a sample using mass spectrometry. The methods generally directed to ionizing a vitamin D metabolite in a sample and detecting the amount of the ion to determine the presence or amount of the vitamin D metabolite in the sample. Also provided are methods to detect the presence or amount of two or more vitamin D metabolites in a single assay.
    Type: Grant
    Filed: February 9, 2023
    Date of Patent: March 5, 2024
    Assignee: Quest Diagnostics Investments Incorporated
    Inventors: Nigel J. Clarke, Brett Holmquist, Gloria Kwang-Ja Lee, Richard E. Reitz
  • METHODS FOR DETECTING VITAMIN D METABOLITES BY MASS SPECTROMETRY
    Publication number: 20230184790
    Abstract: Provided are methods of detecting the presence or amount of a vitamin D metabolite in a sample using mass spectrometry. The methods generally directed to ionizing a vitamin D metabolite in a sample and detecting the amount of the ion to determine the presence or amount of the vitamin D metabolite in the sample. Also provided are methods to detect the presence or amount of two or more vitamin D metabolites in a single assay.
    Type: Application
    Filed: February 9, 2023
    Publication date: June 15, 2023
    Inventors: Nigel J. Clarke, Brett Holmquist, Gloria Kwang-Ja Lee, Richard E. Reitz
  • Methods for detecting vitamin D metabolites by mass spectrometry
    Patent number: 11579154
    Abstract: Provided are methods of detecting the presence or amount of a vitamin D metabolite in a sample using mass spectrometry. The methods generally directed to ionizing a vitamin D metabolite in a sample and detecting the amount of the ion to determine the presence or amount of the vitamin D metabolite in the sample. Also provided are methods to detect the presence or amount of two or more vitamin D metabolites in a single assay.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: February 14, 2023
    Assignee: Quest Diagnostics Investments Incorporated
    Inventors: Nigel J. Clarke, Brett Holmquist, Gloria Kwang-Ja Lee, Richard E. Reitz
  • METHODS FOR DETECTING VITAMIN D METABOLITES BY MASS SPECTROMETRY
    Publication number: 20210231689
    Abstract: Provided are methods of detecting the presence or amount of a vitamin D metabolite in a sample using mass spectrometry. The methods generally directed to ionizing a vitamin D metabolite in a sample and detecting the amount of the ion to determine the presence or amount of the vitamin D metabolite in the sample. Also provided are methods to detect the presence or amount of two or more vitamin D metabolites in a single assay.
    Type: Application
    Filed: March 1, 2021
    Publication date: July 29, 2021
    Inventors: Nigel J. Clarke, Brett Holmquist, Gloria Kwang-Ja Lee, Richard E. Reitz
  • Methods for detecting vitamin D metabolites by mass spectrometry
    Patent number: 10935558
    Abstract: Provided are methods of detecting the presence or amount of a vitamin D metabolite in a sample using mass spectrometry. The methods generally directed to ionizing a vitamin D metabolite in a sample and detecting the amount of the ion to determine the presence or amount of the vitamin D metabolite in the sample. Also provided are methods to detect the presence or amount of two or more vitamin D metabolites in a single assay.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: March 2, 2021
    Assignee: Quest Diagnostics Investments Incorporated
    Inventors: Nigel J. Clarke, Brett Holmquist, Gloria Kwang-Ja Lee, Richard E. Reitz
  • METHODS FOR DETECTING VITAMIN D METABOLITES BY MASS SPECTROMETRY
    Publication number: 20190250175
    Abstract: Provided are methods of detecting the presence or amount of a vitamin D metabolite in a sample using mass spectrometry. The methods generally directed to ionizing a vitamin D metabolite in a sample and detecting the amount of the ion to determine the presence or amount of the vitamin D metabolite in the sample. Also provided are methods to detect the presence or amount of two or more vitamin D metabolites in a single assay.
    Type: Application
    Filed: April 22, 2019
    Publication date: August 15, 2019
    Inventors: Nigel J. Clarke, Brett Holmquist, Gloria Kwang-Ja Lee, Richard E. Reitz
  • Methods for detecting vitamin D metabolites by mass spectrometry
    Patent number: 10267810
    Abstract: Provided are methods of detecting the presence or amount of a vitamin D metabolite in a sample using mass spectrometry. The methods generally directed to ionizing a vitamin D metabolite in a sample and detecting the amount of the ion to determine the presence or amount of the vitamin D metabolite in the sample. Also provided are methods to detect the presence or amount of two or more vitamin D metabolites in a single assay.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: April 23, 2019
    Assignee: Quest Diagnostics Investments Incorporated
    Inventors: Nigel J. Clarke, Brett Holmquist, Gloria Kwang-Ja Lee, Richard E. Reitz
  • METHODS FOR DETECTING VITAMIN D METABOLITES BY MASS SPECTROMETRY
    Publication number: 20180156828
    Abstract: Provided are methods of detecting the presence or amount of a vitamin D metabolite in a sample using mass spectrometry. The methods generally directed to ionizing a vitamin D metabolite in a sample and detecting the amount of the ion to determine the presence or amount of the vitamin D metabolite in the sample. Also provided are methods to detect the presence or amount of two or more vitamin D metabolites in a single assay.
    Type: Application
    Filed: December 20, 2017
    Publication date: June 7, 2018
    Inventors: Nigel J. Clarke, Brett Holmquist, Gloria Kwang-Ja Lee, Richard E. Reitz
  • Methods for detecting vitamin D metabolites by mass spectrometry
    Patent number: 9880180
    Abstract: Provided are methods of detecting the presence or amount of a vitamin D metabolite in a sample using mass spectrometry. The methods generally are directed to ionizing a vitamin D metabolite in a sample and detecting the amount of the ion to determine the presence or amount of the vitamin D metabolite in the sample. Also provided are methods to detect the presence or amount of two or more vitamin D metabolites in a single assay.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: January 30, 2018
    Assignee: Quest Diagnostics Investments Incorporated
    Inventors: Nigel J. Clarke, Brett Holmquist, Gloria Kwang-Ja Lee, Richard E. Reitz
  • METHODS FOR DETECTING VITAMIN D METABOLITES BY MASS SPECTROMETRY
    Publication number: 20170102400
    Abstract: Provided are methods of detecting the presence or amount of a vitamin D metabolite in a sample using mass spectrometry. The methods generally comprise ionizing a vitamin D metabolite in a sample and detecting the amount of the ion to determine the presence or amount of the vitamin D metabolite in the sample. Also provided are methods to detect the presence or amount of two or more vitamin D metabolites in a single assay.
    Type: Application
    Filed: December 22, 2016
    Publication date: April 13, 2017
    Inventors: Nigel J. Clarke, Brett Holmquist, Gloria Kwang-Ja Lee, Richard E. Reitz
  • Methods for detecting vitamin D metabolites by mass spectrometry
    Patent number: 9529004
    Abstract: Provided are methods of detecting the presence or amount of a vitamin D metabolite in a sample using mass spectrometry. The methods generally are directed to ionizing a vitamin D metabolite in a sample and detecting the amount of the ion to determine the presence or amount of the vitamin D metabolite in the sample. Also provided are methods to detect the presence or amount of two or more vitamin D metabolites in a single assay.
    Type: Grant
    Filed: January 25, 2016
    Date of Patent: December 27, 2016
    Assignee: Quest Diagnostics Investments Incorporated
    Inventors: Nigel J. Clarke, Brett Holmquist, Gloria Kwang-Ja Lee, Richard E. Reitz
  • METHODS FOR DETECTING VITAMIN D METABOLITES BY MASS SPECTROMETRY
    Publication number: 20160139157
    Abstract: Provided are methods of detecting the presence or amount of a vitamin D metabolite in a sample using mass spectrometry. The methods generally comprise ionizing a vitamin D metabolite in a sample and detecting the amount of the ion to determine the presence or amount of the vitamin D metabolite in the sample. Also provided are methods to detect the presence or amount of two or more vitamin D metabolites in a single assay.
    Type: Application
    Filed: January 25, 2016
    Publication date: May 19, 2016
    Inventors: Nigel J. Clarke, Brett Holmquist, Gloria Kwang-Ja Lee, Richard E. Reitz
  • Methods for detecting vitamin D metabolites by mass spectrometry
    Patent number: 9244084
    Abstract: Provided are methods of detecting the presence or amount of a vitamin D metabolite in a sample using mass spectrometry. The methods generally are directed to ionizing a vitamin D metabolite in a sample and detecting the amount of the ion to determine the presence or amount of the vitamin D metabolite in the sample. Also provided are methods to detect the presence or amount of two or more vitamin D metabolites in a single assay.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: January 26, 2016
    Assignee: Quest Diagnostics Investments Incorporated
    Inventors: Nigel J. Clarke, Brett Holmquist, Gloria Kwang-Ja Lee, Richard E. Reitz
  • Methods for detecting vitamin D metabolites by mass spectrometry
    Patent number: 8936943
    Abstract: Provided are methods of detecting the presence or amount of a vitamin D metabolite in a sample using mass spectrometry. The methods generally comprise ionizing a vitamin D metabolite in a sample and detecting the amount of the ion to determine the presence or amount of the vitamin D metabolite in the sample. Also provided are methods to detect the presence or amount of two or more vitamin D metabolites in a single assay.
    Type: Grant
    Filed: April 26, 2013
    Date of Patent: January 20, 2015
    Assignee: Quest Diagnostics Investments, Inc.
    Inventors: Nigel J. Clarke, Brett Holmquist, Gloria Kwang-Ja Lee, Richard E. Reitz
  • METHODS FOR DETECTING VITAMIN D METABOLITES BY MASS SPECTROMETRY
    Publication number: 20140162371
    Abstract: Provided are methods of detecting the presence or amount of a vitamin D metabolite in a sample using mass spectrometry. The methods generally comprise ionizing a vitamin D metabolite in a sample and detecting the amount of the ion to determine the presence or amount of the vitamin D metabolite in the sample. Also provided are methods to detect the presence or amount of two or more vitamin D metabolites in a single assay.
    Type: Application
    Filed: February 14, 2014
    Publication date: June 12, 2014
    Applicant: Quest Diagnostics Investments Incoporated
    Inventors: Nigel J. Clarke, Brett Holmquist, Gloria Kwang-Ja Lee, Richard E. Reitz
  • METHODS FOR DETECTING VITAMIN D METABOLITES BY MASS SPECTROMETRY
    Publication number: 20130236979
    Abstract: Provided are methods of detecting the presence or amount of a vitamin D metabolite in a sample using mass spectrometry. The methods generally comprise ionizing a vitamin D metabolite in a sample and detecting the amount of the ion to determine the presence or amount of the vitamin D metabolite in the sample. Also provided are methods to detect the presence or amount of two or more vitamin D metabolites in a single assay.
    Type: Application
    Filed: April 26, 2013
    Publication date: September 12, 2013
    Applicant: Quest Diagnostics Investments Incorporated
    Inventors: Nigel J. Clarke, Brett Holmquist, Gloria Kwang-Ja Lee, Richard E. Reitz
  • Methods for detecting vitamin D metabolites by mass spectrometry
    Patent number: 8431411
    Abstract: Provided are methods of detecting the presence or amount of a vitamin D metabolite in a sample using mass spectrometry. The methods generally comprise ionizing a vitamin D metabolite in a sample and detecting the amount of the ion to determine the presence or amount of the vitamin D metabolite in the sample. Also provided are methods to detect the presence or amount of two or more vitamin D metabolites in a single assay.
    Type: Grant
    Filed: December 15, 2011
    Date of Patent: April 30, 2013
    Assignee: Quest Diagnostics Investments Incorporated
    Inventors: Nigel Clarke, Brett Holmquist, Gloria Kwang-Ja Lee, Richard E. Reitz
  • Methods for detecting vitamin D metabolites by mass spectrometry
    Patent number: 8101427
    Abstract: Provided are methods of detecting the presence or amount of a vitamin D metabolite in a sample using mass spectrometry. The methods generally comprise ionizing a vitamin D metabolite in a sample and detecting the amount of the ion to determine the presence or amount of the vitamin D metabolite in the sample. Also provided are methods to detect the presence or amount of two or more vitamin D metabolites in a single assay.
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: January 24, 2012
    Assignee: Quest Diagnostics Investments Incorporated
    Inventors: Nigel Clarke, Brett Holmquist, Kwang-Ja Lee, Richard E. Reitz