Inventor · disambiguated record
Mingda Wang
Also filed as: WANG MINGDA
20 granted patents·5 pending applications·540 citations·filing 1989–2020
96Inventor score
Top patents by PatentIndex Score
25 records- 0195US4931640AMass spectrometer with reduced static electric fieldMARSHALL ALAN G·Filed 1989·Granted Jun 5, 1990·113 cites·37 claims
- 0294US5714755AMass scanning method using an ion trap mass spectrometerVARIAN ASSOCIATES·Filed 1996·Granted Feb 3, 1998·112 cites·31 claims
- 0391US6723986B2Apparatus for manipulation of ions and methods of making apparatusAGILENT TECHNOLOGIES INC·Filed 2002·Granted Apr 20, 2004·37 cites·14 claims
- 0491US5291017AIon trap mass spectrometer method and apparatus for improved sensitivityVARIAN ASSOCIATES·Filed 1993·Granted Mar 1, 1994·88 cites·25 claims
- 0589US6998622B1On-axis electron impact ion sourceAGILENT TECHNOLOGIES INC·Filed 2004·Granted Feb 14, 2006·36 cites·24 claims
- 0687US8124930B2Multipole ion transport apparatus and related methodsWANG MINGDA·Filed 2009·Granted Feb 28, 2012·17 cites·20 claims
- 0786US7329879B2Apparatus for manipulation of ions and methods of making apparatusAGILENT TECHNOLOGIES INC·Filed 2005·Granted Feb 12, 2008·8 cites·17 claims
- 0884US7501623B2Two-dimensional electrode constructions for ion processingVARIAN INC·Filed 2006·Granted Mar 10, 2009·8 cites·21 claims
- 0979US10546738B1Dielectric coated ion transfer device for mass spectrometryAGILENT TECHNOLOGIES INC·Filed 2018·Granted Jan 28, 2020·2 cites·20 claims
- 1078US7378648B2High-resolution ion isolation utilizing broadband waveform signalsVARIAN INC·Filed 2005·Granted May 27, 2008·9 cites·24 claims
- 1178US7183545B2Multipole ion mass filter having rotating electric fieldAGILENT TECHNOLOGIES INC·Filed 2005·Granted Feb 27, 2007·4 cites·25 claims
- 1276US10176977B2Ion source for soft electron ionization and related systems and methodsAGILENT TECHNOLOGIES INC·Filed 2015·Granted Jan 8, 2019·2 cites·20 claims
- 1376US7842918B2Chemical structure-insensitive method and apparatus for dissociating ionsVARIAN INC·Filed 2007·Granted Nov 30, 2010·4 cites·19 claims
- 1476US5942752AHigher pressure ion source for two dimensional radio-frequency quadrupole electric field for mass spectrometerHEWLETT PACKARD CO·Filed 1997·Granted Aug 24, 1999·30 cites·29 claims
- 1576US5457315AMethod of selective ion trapping for quadrupole ion trap mass spectrometersVARIAN ASSOCIATES·Filed 1994·Granted Oct 10, 1995·29 cites·16 claims
- 1674US7259379B2On-axis electron impact ion sourceAGILENT TECHNOLOGIES INC·Filed 2005·Granted Aug 21, 2007·3 cites·10 claims
- 1773US11239746B2Two-stage converter and method for starting the same, LLC converter, and application systemSUNGROW POWER SUPPLY CO LTD·Filed 2020·Granted Feb 1, 2022·1 cites·11 claims
- 1872US5404011AMSn using CIDVARIAN ASSOCIATES·Filed 1993·Granted Apr 4, 1995·24 cites·23 claims
- 1969US7564029B2Sample ionization at above-vacuum pressuresVARIAN INC·Filed 2007·Granted Jul 21, 2009·2 cites·24 claims
- 2056US2018277348A1Electron Ionization (EI) Utilizing Different EI EnergiesAGILENT TECHNOLOGIES INC·Filed 2018·Application pending·0 cites
- 2154US2014374583A1Electron ionization (ei) utilizing different ei energiesAGILENT TECHNOLOGIES INC·Filed 2013·Application pending·0 cites
- 2252US5633497ASurface coating to improve performance of ion trap mass spectrometersVARIAN ASSOCIATES·Filed 1995·Granted May 27, 1997·11 cites·9 claims
- 2349US2006243903A1Multipole ion mass filter having rotating electric fieldWANG MINGDA·Filed 2006·Application pending·0 cites
- 2443US2004178342A1Apparatus for manipulation of ions and methods of making apparatusFiled 2004·Application pending·0 cites
- 2540US2017089915A1Methods of analyte derivatization and enhanced soft ionizationAGILENT TECHNOLOGIES INC·Filed 2016·Application pending·0 cites
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