Inventor · disambiguated record
Nigel J. Clarke
Also filed as: CLARKE NIGEL · CLARKE NIGEL J · CLARKE NIGEL JOHN
128 granted patents·35 pending applications·1,271 citations·filing 1995–2025
99Inventor score
Files withQUEST DIAGNOSTICS INVEST INC82QUEST DIAGNOSTICS INVEST LLC39HOLMQUIST BRETT8CLARKE NIGEL5GHOSHAL AMIT5
Top patents by PatentIndex Score
163 records- 0199US11549954B2Mass spectrometric determination of non-derivatized, non-metabolized vitamin DQUEST DIAGNOSTICS INVEST INC·Filed 2022·Granted Jan 10, 2023·9 cites·12 claims
- 0298US11921122B2Methods for detecting vitamin D metabolites by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2023·Granted Mar 5, 2024·3 cites·4 claims
- 0398US11579154B2Methods for detecting vitamin D metabolites by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2021·Granted Feb 14, 2023·9 cites·8 claims
- 0498US11428682B2Quantitation of tamoxifen and metabolites thereof by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2020·Granted Aug 30, 2022·3 cites·9 claims
- 0598US10267810B2Methods for detecting vitamin D metabolites by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2017·Granted Apr 23, 2019·17 cites·16 claims
- 0698US10191064B2Thyroglobulin quantitation by mass spectroscopyQUEST DIAGNOSTICS INVEST INC·Filed 2018·Granted Jan 29, 2019·19 cites·9 claims
- 0798US9915663B2Thyroglobulin quantitation by mass spectroscopyQUEST DIAGNOSTICS INVEST INC·Filed 2017·Granted Mar 13, 2018·26 cites·11 claims
- 0898US9880180B2Methods for detecting vitamin D metabolites by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2016·Granted Jan 30, 2018·18 cites·26 claims
- 0998US9580740B2Thyroglobulin quantitation by mass spectroscopyQUEST DIAGNOSTICS INVEST INC·Filed 2015·Granted Feb 28, 2017·22 cites·18 claims
- 1098US9535077B2Vitamin D metabolite determination utilizing mass spectrometry following derivatizationQUEST DIAGNOSTICS INVEST INC·Filed 2013·Granted Jan 3, 2017·20 cites·30 claims
- 1198US9046531B2Thyroglobulin quantitation by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2013·Granted Jun 2, 2015·23 cites·29 claims
- 1298US8574915B2Thyroglobulin quantitation by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2013·Granted Nov 5, 2013·52 cites·20 claims
- 1398US8084269B2Methods for detecting dihydroxyvitamin D metabolites by mass spectrometryHOLMQUIST BRETT·Filed 2011·Granted Dec 27, 2011·36 cites·24 claims
- 1498US8076157B2Vitamin D metabolite determination utilizing mass spectrometry following derivatizationHOLMQUIST BRETT·Filed 2011·Granted Dec 13, 2011·31 cites·81 claims
- 1598US7745226B2Methods for detecting vitamin D metabolitesQUEST DIAGNOSTICS INVEST INC·Filed 2005·Granted Jun 29, 2010·55 cites·23 claims
- 1697US11929243B2Apolipoprotein E isotype detection by mass spectrometryQUEST DIAGNOSTICS INVEST LLC·Filed 2022·Granted Mar 12, 2024·2 cites·14 claims
- 1797US11835505B2Quantitation of tamoxifen and metabolites thereof by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2022·Granted Dec 5, 2023·2 cites·9 claims
- 1897US10935558B2Methods for detecting vitamin D metabolites by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2019·Granted Mar 2, 2021·11 cites·16 claims
- 1997US9529004B2Methods for detecting vitamin D metabolites by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2016·Granted Dec 27, 2016·20 cites·10 claims
- 2097US9459267B2Quantitation of tamoxifen and metabolites thereof by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2015·Granted Oct 4, 2016·8 cites·30 claims
- 2197US9244084B2Methods for detecting vitamin D metabolites by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2014·Granted Jan 26, 2016·24 cites·20 claims
- 2297US9026310B2Wading depth estimation for a vehicleTRAN THUY-YUNG·Filed 2011·Granted May 5, 2015·29 cites·18 claims
- 2397US9012394B2Thyroglobulin quantitation by mass spectroscopyQUEST DIAGNOSTICS INVEST INC·Filed 2013·Granted Apr 21, 2015·23 cites·13 claims
- 2497US8936943B2Methods for detecting vitamin D metabolites by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2013·Granted Jan 20, 2015·24 cites·20 claims
- 2597US8431411B2Methods for detecting vitamin D metabolites by mass spectrometryCLARKE NIGEL·Filed 2011·Granted Apr 30, 2013·28 cites·25 claims
- 2697US8173442B2Methods for detecting dihydroxyvitamin D metabolites by mass spectrometryHOLMQUIST BRETT·Filed 2011·Granted May 8, 2012·40 cites·26 claims
- 2797US8034627B2Methods for detecting dihydroxyvitamin D metabolites by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2009·Granted Oct 11, 2011·37 cites·24 claims
- 2897US7972868B2Methods for detecting dihydroxyvitamin D metabolites by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2007·Granted Jul 5, 2011·43 cites·20 claims
- 2996US12066446B2Methods for detecting dihydroxyvitamin D metabolites by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2023·Granted Aug 20, 2024·3 cites·7 claims
- 3096US11650216B2Methods for detecting dihydroxyvitamin D metabolites by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2020·Granted May 16, 2023·10 cites·7 claims
- 3196US10955424B2Mass spectrometry of steroidal compounds in multiplexed patient samplesQUEST DIAGNOSTICS INVEST INC·Filed 2016·Granted Mar 23, 2021·11 cites·21 claims
- 3296US10830746B2Quantitation of Tamoxifen and metabolites thereof by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2017·Granted Nov 10, 2020·6 cites·18 claims
- 3396US9921231B2Mass spectrometry assay for congenital adrenal hyperplasiaQUEST DIAGNOSTICS INVEST INC·Filed 2017·Granted Mar 20, 2018·6 cites·27 claims
- 3496US9541562B2Mass spectrometry assay for congenital adrenal hyperplasiaQUEST DIAGNOSTICS INVEST INC·Filed 2015·Granted Jan 10, 2017·7 cites·36 claims
- 3596US8101427B2Methods for detecting vitamin D metabolites by mass spectrometryCLARKE NIGEL·Filed 2011·Granted Jan 24, 2012·35 cites·23 claims
- 3696US8030084B2Thyroglobulin quantitation by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2007·Granted Oct 4, 2011·24 cites·11 claims
- 3796US7972867B2Methods for detecting vitamin D metabolites by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2006·Granted Jul 5, 2011·42 cites·31 claims
- 3895US11789026B2C peptide detection by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2022·Granted Oct 17, 2023·1 cites·10 claims
- 3995US11454637B2Quantitation of insulin-like growth factor-I and insulin-like growth factor-II with high-resolution mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2020·Granted Sep 27, 2022·3 cites·10 claims
- 4095US10648989B2Quantitation of insulin-like growth factor-I and insulin-like growth factor-II with high-resolution mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2017·Granted May 12, 2020·6 cites·11 claims
- 4195US10324082B2Methods for quantitation of insulin levels by mass spectrometryQUEST DIAGNOSTICS INVEST LLC·Filed 2016·Granted Jun 18, 2019·11 cites·59 claims
- 4295US10309972B1C peptide detection by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2019·Granted Jun 4, 2019·4 cites·19 claims
- 4395US9057732B2Mass spectrometry assay for congenital adrenal hyperplasiaQUEST DIAGNOSTICS INVEST INC·Filed 2014·Granted Jun 16, 2015·9 cites·36 claims
- 4495US8455259B2Thyroglobulin quantitation by mass spectrometryZHANG YANNI·Filed 2011·Granted Jun 4, 2013·23 cites·28 claims
- 4595US8153962B2Mass spectrometry assay for congenital adrenal hyperplasiaGHOSHAL AMIT·Filed 2009·Granted Apr 10, 2012·18 cites·28 claims
- 4695US7977117B2Vitamin D metabolite determination utilizing mass spectrometry following derivatizationQUEST DIAGNOSTICS INVEST INCORPRATED·Filed 2009·Granted Jul 12, 2011·30 cites·82 claims
- 4794US11361953B2Apolipoprotein E isotype detection by mass spectrometryQUEST DIAGNOSTICS INVEST LLC·Filed 2018·Granted Jun 14, 2022·4 cites·15 claims
- 4894US11346845B2C peptide detection by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2020·Granted May 31, 2022·2 cites·10 claims
- 4994US9835606B2Quantitation of tamoxifen and metabolites thereof by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2016·Granted Dec 5, 2017·7 cites·24 claims
- 5094US9506937B2Mass spectrometry of steroidal compounds in multiplexed patient samplesQUEST DIAGNOSTICS INVEST INC·Filed 2015·Granted Nov 29, 2016·10 cites·35 claims
Showing the top 50 of 163 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →