Zhaohui CHEN

Person

Las Flores, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
C peptide detection by mass spectrometry
- Patent number 12,188,943
- Issue date Jan 7, 2025
- Quest Diagnostics Investments Incorporated
- Nigel Clarke
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
C peptide detection by mass spectrometry
- Patent number 11,789,026
- Issue date Oct 17, 2023
- Quest Diagnostics Investments Incorporated
- Nigel Clarke
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Methods for quantitation of insulin levels by mass spectrometry
- Patent number 11,486,874
- Issue date Nov 1, 2022
- Quest Diagnostics Investments LLC
- Steven W. Taylor
- G01 - MEASURING TESTING
Information Patent Grant
C peptide detection by mass spectrometry
- Patent number 11,346,845
- Issue date May 31, 2022
- Quest Diagnostics Investments Incorporated
- Nigel Clarke
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Quantitation of insulin by mass spectrometry of insulin A chain
- Patent number 11,099,198
- Issue date Aug 24, 2021
- Quest Diagnostics Investments Incorporated
- Zhaohui Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
C peptide detection by mass spectrometry
- Patent number 10,782,305
- Issue date Sep 22, 2020
- Quest Diagnostics Investments Incorporated
- Nigel Clarke
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Quantitation of insulin by tandem mass spectrometry of insulin B chain
- Patent number 10,436,803
- Issue date Oct 8, 2019
- Quest Diagnostics Investments Incorporated
- Zhaohui Chen
- G01 - MEASURING TESTING
Information Patent Grant
Methods for quantitation of insulin levels by mass spectrometry
- Patent number 10,324,082
- Issue date Jun 18, 2019
- QUEST DIAGNOSTICS INVESTMENTS LLC
- Stephen W. Taylor
- G01 - MEASURING TESTING
Information Patent Grant
C peptide detection by mass spectrometry
- Patent number 10,309,972
- Issue date Jun 4, 2019
- Quest Diagnostics Investments Incorporated
- Nigel Clarke
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
C peptide detection by mass spectrometry
- Patent number 10,191,065
- Issue date Jan 29, 2019
- Quest Diagnostics Investments Incorporated
- Nigel Clarke
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
C peptide detection by mass spectrometry
- Patent number 9,964,546
- Issue date May 8, 2018
- Quest Diagnostics Investments Incorporated
- Nigel Clarke
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
C peptide detection by mass spectrometry
- Patent number 9,885,724
- Issue date Feb 6, 2018
- Quest Diagnostics Investments Incorporated
- Nigel Clarke
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
C peptide detection by mass spectrometry
- Patent number 9,594,074
- Issue date Mar 14, 2017
- Quest Diagnostics Investments Incorporated
- Nigel Clarke
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
C PEPTIDE DETECTION BY MASS SPECTROMETRY
- Publication number 20250102516
- Publication date Mar 27, 2025
- Quest Diagnostics Investments LLC
- Nigel Clarke
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
C PEPTIDE DETECTION BY MASS SPECTROMETRY
- Publication number 20230417760
- Publication date Dec 28, 2023
- Quest Diagnostics Investments Incorporated
- Nigel CLARKE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHODS FOR QUANTITATION OF INSULIN LEVELS BY MASS SPECTROMETRY
- Publication number 20230184740
- Publication date Jun 15, 2023
- Quest Diagnostics Investments LLC
- Steven W. TAYLOR
- G01 - MEASURING TESTING
Information Patent Application
C PEPTIDE DETECTION BY MASS SPECTROMETRY
- Publication number 20220291228
- Publication date Sep 15, 2022
- Quest Diagnostics Investments Incorporated
- Nigel CLARKE
- C07 - ORGANIC CHEMISTRY
Information Patent Application
QUANTITATION OF INSULIN BY MASS SPECTROMETRY
- Publication number 20210382076
- Publication date Dec 9, 2021
- Quest Diagnostics Investments Incorporated
- Zhaohui Chen
- G01 - MEASURING TESTING
Information Patent Application
C PEPTIDE DETECTION BY MASS SPECTROMETRY
- Publication number 20210003588
- Publication date Jan 7, 2021
- Quest Diagnostics Investments Incorporated
- Nigel CLARKE
- G01 - MEASURING TESTING
Information Patent Application
QUANTITATION OF INSULIN BY MASS SPECTROMETRY
- Publication number 20200284808
- Publication date Sep 10, 2020
- Quest Diagnostics Investments Incorporated
- Zhaohui Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHODS FOR QUANTITATION OF INSULIN LEVELS BY MASS SPECTROMETRY
- Publication number 20190302095
- Publication date Oct 3, 2019
- Quest Diagnostics Investments LLC
- Stephen W. TAYLOR
- G01 - MEASURING TESTING
Information Patent Application
C PEPTIDE DETECTION BY MASS SPECTROMETRY
- Publication number 20190285646
- Publication date Sep 19, 2019
- Quest Diagnostics Investments Incorporated
- Nigel CLARKE
- G01 - MEASURING TESTING
Information Patent Application
C PEPTIDE DETECTION BY MASS SPECTROMETRY
- Publication number 20190154700
- Publication date May 23, 2019
- Quest Diagnostics Investments Incorporated
- Nigel CLARKE
- G01 - MEASURING TESTING
Information Patent Application
C PEPTIDE DETECTION BY MASS SPECTROMETRY
- Publication number 20180217157
- Publication date Aug 2, 2018
- Quest Diagnostics Investments Incorporated
- Nigel CLARKE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
C PEPTIDE DETECTION BY MASS SPECTROMETRY
- Publication number 20170212127
- Publication date Jul 27, 2017
- Quest Diagnostics Investments Incorporated
- Nigel CLARKE
- G01 - MEASURING TESTING
Information Patent Application
METHODS FOR QUANTITATION OF INSULIN LEVELS BY MASS SPECTROMETRY
- Publication number 20160282328
- Publication date Sep 29, 2016
- Quest Diagnostics Investments LLC
- Stephen W. TAYLOR
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
C PEPTIDE DETECTION BY MASS SPECTROMETRY
- Publication number 20150346183
- Publication date Dec 3, 2015
- Quest Diagnostics Investments Incorporated
- Nigel CLARKE
- G01 - MEASURING TESTING
Information Patent Application
QUANTITATION OF INSULIN BY MASS SPECTROMETRY
- Publication number 20120164741
- Publication date Jun 28, 2012
- Quest Diagnostics Investments Incorporated
- Zhaohui Chen
- G01 - MEASURING TESTING

Zhaohui CHEN

Person

Patents Grantslast 30 patents

C peptide detection by mass spectrometry

C peptide detection by mass spectrometry

Methods for quantitation of insulin levels by mass spectrometry

C peptide detection by mass spectrometry

Quantitation of insulin by mass spectrometry of insulin A chain

C peptide detection by mass spectrometry

Quantitation of insulin by tandem mass spectrometry of insulin B chain

Methods for quantitation of insulin levels by mass spectrometry

C peptide detection by mass spectrometry

C peptide detection by mass spectrometry

C peptide detection by mass spectrometry

C peptide detection by mass spectrometry

C peptide detection by mass spectrometry

Patents Applicationslast 30 patents

C PEPTIDE DETECTION BY MASS SPECTROMETRY

C PEPTIDE DETECTION BY MASS SPECTROMETRY

METHODS FOR QUANTITATION OF INSULIN LEVELS BY MASS SPECTROMETRY

C PEPTIDE DETECTION BY MASS SPECTROMETRY

QUANTITATION OF INSULIN BY MASS SPECTROMETRY

C PEPTIDE DETECTION BY MASS SPECTROMETRY

QUANTITATION OF INSULIN BY MASS SPECTROMETRY

METHODS FOR QUANTITATION OF INSULIN LEVELS BY MASS SPECTROMETRY

C PEPTIDE DETECTION BY MASS SPECTROMETRY

C PEPTIDE DETECTION BY MASS SPECTROMETRY

C PEPTIDE DETECTION BY MASS SPECTROMETRY

C PEPTIDE DETECTION BY MASS SPECTROMETRY

METHODS FOR QUANTITATION OF INSULIN LEVELS BY MASS SPECTROMETRY

C PEPTIDE DETECTION BY MASS SPECTROMETRY

QUANTITATION OF INSULIN BY MASS SPECTROMETRY