Inventor · disambiguated record

John Michael Ramsey

Also filed as: RAMSEY JOHN · RAMSEY JOHN MICHAEL

52 granted patents·6 pending applications·725 citations·filing 1996–2025

98Inventor score

Technology areasH01J G01N B01L C12Q Y10T

Files withUNIV NORTH CAROLINA CHAPEL HILL50 RAMSEY JOHN MICHAEL3 UNIV NORTH CAROLINA3 LOCKHEED MARTIN ENERGY SYS INC1 SCHOENFISCH MARK1

Top patents by PatentIndex Score

58 records

0198US5858187AApparatus and method for performing electrodynamic focusing on a microchipLOCKHEED MARTIN ENERGY SYS INC·Filed 1996·Granted Jan 12, 1999·522 cites·21 claims
0296US10571428B2Nanofluidic devices for the rapid mapping of whole genomes and related systems and methods of analysisUNIV NORTH CAROLINA CHAPEL HILL·Filed 2018·Granted Feb 25, 2020·7 cites·13 claims
0396US9255905B1Pressure driven microfluidic injection for chemical separationsUNIV NORTH CAROLINA·Filed 2015·Granted Feb 9, 2016·38 cites·30 claims
0495US9606082B2Pressure driven microfluidic injection for chemical separationsUNIV NORTH CAROLINA CHAPEL HILL·Filed 2016·Granted Mar 28, 2017·15 cites·20 claims
0595US9406492B1Electrospray ionization interface to high pressure mass spectrometry and related methodsUNIV NORTH CAROLINA CHAPEL HILL·Filed 2015·Granted Aug 2, 2016·22 cites·30 claims
0694US9618479B2Nanofluidic devices for the rapid mapping of whole genomes and related systems and methods of analysisUNIV NORTH CAROLINA CHAPEL HILL·Filed 2015·Granted Apr 11, 2017·5 cites·24 claims
0793US10106848B2Nanofluidic devices for the rapid mapping of whole genomes and related systems and methods of analysisUNIV NORTH CAROLINA CHAPEL HILL·Filed 2017·Granted Oct 23, 2018·5 cites·10 claims
0893US9728387B2Solid phase extraction with capillary electrophoresisUNIV NORTH CAROLINA CHAPEL HILL·Filed 2016·Granted Aug 8, 2017·18 cites·28 claims
0993US9006648B2Microchips with integrated multiple electrospray ionization emitters and related methods, systems and devicesRAMSEY JOHN MICHAEL·Filed 2012·Granted Apr 14, 2015·28 cites·24 claims
1092US9502225B2Integrated sample processing for electrospray ionization devicesUNIV NORTH CAROLINA CHAPEL HILL·Filed 2013·Granted Nov 22, 2016·14 cites·22 claims
1189US9617589B2Microfluidic devices, solid supports for reagents and related methodsUNIV NORTH CAROLINA CHAPEL HILL·Filed 2013·Granted Apr 11, 2017·9 cites·31 claims
1288US9373492B2Microscale mass spectrometry systems, devices and related methodsUNIV NORTH CAROLINA·Filed 2013·Granted Jun 21, 2016·6 cites·45 claims
1387US9970898B2Nanofluidic devices for the rapid mapping of whole genomes and related systems and methods of analysisUNIV NORTH CAROLINA CHAPEL HILL·Filed 2014·Granted May 15, 2018·7 cites·8 claims
1486US10867781B2Electrospray ionization interface to high pressure mass spectrometry and related methodsUNIV NORTH CAROLINA CHAPEL HILL·Filed 2019·Granted Dec 15, 2020·2 cites·15 claims
1585US10734216B2Pressure driven fluidic injection for chemical separations by electrophoresisUNIV NORTH CAROLINA CHAPEL HILL·Filed 2016·Granted Aug 4, 2020·3 cites·36 claims
1684US9255288B2Nanofluidic devices for the rapid mapping of whole genomes and related systems and methods of analysisUNIV NORTH CAROLINA·Filed 2014·Granted Feb 9, 2016·5 cites·21 claims
1783US2025027934A1Solid supports for decoding methods for multiplexing assaysUNIV NORTH CAROLINA CHAPEL HILL·Filed 2024·Application pending·0 cites
1882US2024033739A1Fluidic devices with bead well geometries with spatially separated bead retention and signal detection segments and related methodsUNIV NORTH CAROLINA CHAPEL HILL·Filed 2023·Application pending·0 cites
1982US2025027139A1Microfluidic devices, solid supports for reagents and related methodsUNIV NORTH CAROLINA CHAPEL HILL·Filed 2024·Application pending·0 cites
2080US10249484B2Electrospray ionization interface to high pressure mass spectrometry and related methodsUNIV NORTH CAROLINA CHAPEL HILL·Filed 2016·Granted Apr 2, 2019·2 cites·14 claims
2178US10312070B2Integrated sample processing for electrospray ionization devicesUNIV NORTH CAROLINA CHAPEL HILL·Filed 2018·Granted Jun 4, 2019·1 cites·20 claims
2278US10181396B2Solid phase extraction with capillary electrophoresisUNIV NORTH CAROLINA CHAPEL HILL·Filed 2017·Granted Jan 15, 2019·1 cites·7 claims
2377US10134576B2Integrated sample processing for electrospray ionization devicesUNIV NORTH CAROLINA CHAPEL HILL·Filed 2017·Granted Nov 20, 2018·1 cites·20 claims
2477US9139426B2Methods, systems and devices for forming nanochannelsRAMSEY JOHN MICHAEL·Filed 2011·Granted Sep 22, 2015·6 cites·23 claims
2576US12077808B2Microfluidic devices, solid supports for reagents and related methodsUNIV NORTH CAROLINA CHAPEL HILL·Filed 2022·Granted Sep 3, 2024·0 cites·23 claims
2676US10870111B2Fluidic devices with bead well geometries with spatially separated bead retention and signal detection segments and related methodsUNIV NORTH CAROLINA CHAPEL HILL·Filed 2016·Granted Dec 22, 2020·1 cites·20 claims
2775US12435242B2Compositions, devices, and methods for improving a surface property of a substrateUNIV NORTH CAROLINA CHAPEL HILL·Filed 2025·Granted Oct 7, 2025·0 cites·15 claims
2875US11067537B2Nanofluidic devices for the rapid mapping of whole genomes and related systems and methods of analysisUNIV NORTH CAROLINA CHAPEL HILL·Filed 2018·Granted Jul 20, 2021·0 cites·19 claims
2974US12234377B2Compositions, devices, and methods for improving a surface property of a substrateUNIV NORTH CAROLINA CHAPEL HILL·Filed 2019·Granted Feb 25, 2025·0 cites·21 claims
3074US9818594B2Integrated sample processing for electrospray ionization devicesUNIV NORTH CAROLINA CHAPEL HILL·Filed 2016·Granted Nov 14, 2017·1 cites·27 claims
3174US2025018393A1Analysis systems with microfluidic devices, microfluidic devices and related methodsUNIV NORTH CAROLINA CHAPEL HILL·Filed 2024·Application pending·0 cites
3273US12014915B2Ion traps with y-directional ion manipulation for mass spectrometry and related mass spectrometry systems and methodsUNIV NORTH CAROLINA CHAPEL HILL·Filed 2021·Granted Jun 18, 2024·0 cites·34 claims
3373US11307171B2Nanofluidic devices for the rapid mapping of whole genomes and related systems and methods of analysisUNIV NORTH CAROLINA CHAPEL HILL·Filed 2020·Granted Apr 19, 2022·0 cites·20 claims
3472US12146876B2Solid supports for decoding methods for multiplexing assaysUNIV NORTH CAROLINA CHAPEL HILL·Filed 2021·Granted Nov 19, 2024·0 cites·17 claims
3572US10261065B2Nanofluidic devices with integrated components for the controlled capture, trapping, and transport of macromolecules and related methods of analysisUNIV NORTH CAROLINA CHAPEL HILL·Filed 2014·Granted Apr 16, 2019·2 cites·11 claims
3670US11635407B2Pressure driven fluidic injection for chemical separationsUNIV NORTH CAROLINA CHAPEL HILL·Filed 2020·Granted Apr 25, 2023·0 cites·20 claims
3769US9620351B2Microscale mass spectrometry systems, devices and related methodsUNIV NORTH CAROLINA CHAPEL HILL·Filed 2016·Granted Apr 11, 2017·1 cites·37 claims
3869US2021069711A1Fluidic devices with bead well geometries with spatially separated bead retention and signal detection segments and related methodsUNIV NORTH CAROLINA CHAPEL HILL·Filed 2020·Application pending·0 cites
3967US10755915B2Microscale mass spectrometry systems, devices and related methodsUNIV NORTH CAROLINA CHAPEL HILL·Filed 2019·Granted Aug 25, 2020·0 cites·20 claims
4066US10861689B2Integrated sample processing for electrospray ionization devicesUNIV NORTH CAROLINA CHAPEL HILL·Filed 2019·Granted Dec 8, 2020·0 cites·20 claims
4166US10403488B2Solid phase extraction with capillary electrophoresisUNIV NORTH CAROLINA CHAPEL HILL·Filed 2018·Granted Sep 3, 2019·0 cites·20 claims
4264US11073507B2Nanofluidic devices with integrated components for the controlled capture, trapping, and transport of macromolecules and related methods of analysisUNIV NORTH CAROLINA CHAPEL HILL·Filed 2019·Granted Jul 27, 2021·0 cites·21 claims
4364US10937640B2Ion traps with y-directional ion manipulation for mass spectrometry and related mass spectrometry systems and methodsUNIV NORTH CAROLINA CHAPEL HILL·Filed 2019·Granted Mar 2, 2021·0 cites·17 claims
4464US10393698B2Pressure driven microfluidic injection for chemical separationsUNIV NORTH CAROLINA CHAPEL HILL·Filed 2017·Granted Aug 27, 2019·0 cites·28 claims
4563US11345947B2Microfluidic devices, solid supports for reagents and related methodsUNIV NORTH CAROLINA CHAPEL HILL·Filed 2017·Granted May 31, 2022·0 cites·14 claims
4662US12103003B2Analysis systems with microfluidic devices, microfluidic devices and related methodsUNIV NORTH CAROLINA CHAPEL HILL·Filed 2019·Granted Oct 1, 2024·0 cites·22 claims
4762US10864520B2Fluidic devices with freeze-thaw valves with ice-nucleating agents and related methods of operation and analysisUNIV NORTH CAROLINA CHAPEL HILL·Filed 2016·Granted Dec 15, 2020·1 cites·31 claims
4862US9989515B2Devices with fluidic nanofunnels, associated methods, fabrication and analysis systemsUNIV NORTH CAROLINA CHAPEL HILL·Filed 2013·Granted Jun 5, 2018·1 cites·17 claims
4962US9711341B2Mass spectrometry systems with convective flow of buffer gas for enhanced signals and related methodsUNIV NORTH CAROLINA CHAPEL HILL·Filed 2015·Granted Jul 18, 2017·1 cites·27 claims
5060US11016084B2Decoding methods for multiplexing assays and associated fluidic devices, kits, and solid supportsUNIV NORTH CAROLINA CHAPEL HILL·Filed 2016·Granted May 25, 2021·0 cites·22 claims

Showing the top 50 of 58 patent records by PatentIndex Score.

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →