Assignee
QUEST DIAGNOSTICS INVEST INC
US·296 granted patents·55 pending applications·1,912 citations·filing 1995–2025
Top patents by PatentIndex Score
351 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
- 1398US7745226B2Methods for detecting vitamin D metabolitesQUEST DIAGNOSTICS INVEST INC·Filed 2005·Granted Jun 29, 2010·55 cites·23 claims
- 1498US7348137B2Determination of testosterone by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2005·Granted Mar 25, 2008·77 cites·50 claims
- 1597US11835505B2Quantitation of tamoxifen and metabolites thereof by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2022·Granted Dec 5, 2023·2 cites·9 claims
- 1697US10935558B2Methods for detecting vitamin D metabolites by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2019·Granted Mar 2, 2021·11 cites·16 claims
- 1797US9529004B2Methods for detecting vitamin D metabolites by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2016·Granted Dec 27, 2016·20 cites·10 claims
- 1897US9459267B2Quantitation of tamoxifen and metabolites thereof by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2015·Granted Oct 4, 2016·8 cites·30 claims
- 1997US9244084B2Methods for detecting vitamin D metabolites by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2014·Granted Jan 26, 2016·24 cites·20 claims
- 2097US9012394B2Thyroglobulin quantitation by mass spectroscopyQUEST DIAGNOSTICS INVEST INC·Filed 2013·Granted Apr 21, 2015·23 cites·13 claims
- 2197US8936943B2Methods for detecting vitamin D metabolites by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2013·Granted Jan 20, 2015·24 cites·20 claims
- 2297US8034627B2Methods for detecting dihydroxyvitamin D metabolites by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2009·Granted Oct 11, 2011·37 cites·24 claims
- 2397US7972868B2Methods for detecting dihydroxyvitamin D metabolites by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2007·Granted Jul 5, 2011·43 cites·20 claims
- 2497US6977143B1Determination of testosterone by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2003·Granted Dec 20, 2005·95 cites·39 claims
- 2596US12066446B2Methods for detecting dihydroxyvitamin D metabolites by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2023·Granted Aug 20, 2024·3 cites·7 claims
- 2696US11650216B2Methods for detecting dihydroxyvitamin D metabolites by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2020·Granted May 16, 2023·10 cites·7 claims
- 2796US10955424B2Mass spectrometry of steroidal compounds in multiplexed patient samplesQUEST DIAGNOSTICS INVEST INC·Filed 2016·Granted Mar 23, 2021·11 cites·21 claims
- 2896US10830746B2Quantitation of Tamoxifen and metabolites thereof by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2017·Granted Nov 10, 2020·6 cites·18 claims
- 2996US10571455B2Vitamin B2 detection by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2019·Granted Feb 25, 2020·8 cites·20 claims
- 3096US9921231B2Mass spectrometry assay for congenital adrenal hyperplasiaQUEST DIAGNOSTICS INVEST INC·Filed 2017·Granted Mar 20, 2018·6 cites·27 claims
- 3196US9546404B2Methods for detecting gene dysregulation by intragenic differential expressionQUEST DIAGNOSTICS INVEST INC·Filed 2015·Granted Jan 17, 2017·19 cites·14 claims
- 3296US9541562B2Mass spectrometry assay for congenital adrenal hyperplasiaQUEST DIAGNOSTICS INVEST INC·Filed 2015·Granted Jan 10, 2017·7 cites·36 claims
- 3396US8030084B2Thyroglobulin quantitation by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2007·Granted Oct 4, 2011·24 cites·11 claims
- 3496US7972867B2Methods for detecting vitamin D metabolites by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2006·Granted Jul 5, 2011·42 cites·31 claims
- 3595US11830715B2Mass spectrometric determination of fatty acidsQUEST DIAGNOSTICS INVEST INC·Filed 2021·Granted Nov 28, 2023·2 cites·14 claims
- 3695US11789026B2C peptide detection by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2022·Granted Oct 17, 2023·1 cites·10 claims
- 3795US11454637B2Quantitation 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
- 3895US10648989B2Quantitation 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
- 3995US10309972B1C peptide detection by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2019·Granted Jun 4, 2019·4 cites·19 claims
- 4095US9057732B2Mass spectrometry assay for congenital adrenal hyperplasiaQUEST DIAGNOSTICS INVEST INC·Filed 2014·Granted Jun 16, 2015·9 cites·36 claims
- 4195US7521213B2Sample processing for nucleic acid amplificationQUEST DIAGNOSTICS INVEST INC·Filed 2006·Granted Apr 21, 2009·36 cites·30 claims
- 4295US2026086101A1Quantitation of insulin-like growth factor-i and insulin-like growth factor-ii with high-resolution mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2025·Application pending·0 cites
- 4394US11346845B2C peptide detection by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2020·Granted May 31, 2022·2 cites·10 claims
- 4494US11333673B2Mass spectrometric quantitation assay for metabolites of leflunomideQUEST DIAGNOSTICS INVEST INC·Filed 2020·Granted May 17, 2022·3 cites·16 claims
- 4594US11300559B2Vitamin B2 detection by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2020·Granted Apr 12, 2022·3 cites·7 claims
- 4694US9835606B2Quantitation of tamoxifen and metabolites thereof by mass spectrometryQUEST DIAGNOSTICS INVEST INC·Filed 2016·Granted Dec 5, 2017·7 cites·24 claims
- 4794US9783854B2Nucleic acid detection combining amplification with fragmentationQUEST DIAGNOSTICS INVEST INC·Filed 2015·Granted Oct 10, 2017·14 cites·35 claims
- 4894US9506937B2Mass spectrometry of steroidal compounds in multiplexed patient samplesQUEST DIAGNOSTICS INVEST INC·Filed 2015·Granted Nov 29, 2016·10 cites·35 claims
- 4994US8815516B2Methods for detecting gene dysregulation by intragenic differential expressionQUEST DIAGNOSTICS INVEST INC·Filed 2013·Granted Aug 26, 2014·11 cites·20 claims
- 5094US7892743B2Subtractive single label comparative hybridizationQUEST DIAGNOSTICS INVEST INC·Filed 2009·Granted Feb 22, 2011·30 cites·20 claims
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