Inventor · disambiguated record
Qiufeng Ma
Also filed as: MA QIUFENG
35 granted patents·3 pending applications·23 citations·filing 2014–2021
94Inventor score
Top patents by PatentIndex Score
38 records- 0191US10539531B2Detection apparatus and detection methodNUCTECH CO LTD·Filed 2019·Granted Jan 21, 2020·3 cites·12 claims
- 0286US10281432B2Detection apparatus and detection methodNUCTECH CO LTD·Filed 2016·Granted May 7, 2019·3 cites·5 claims
- 0384US11422070B2Sampling probe, automatic sampling device, and container detection systemNUCTECH CO LTD·Filed 2020·Granted Aug 23, 2022·1 cites·13 claims
- 0483US11408852B2Sampling tube bundle, sampling analysis device and preparation method of sampling tube bundleUNIV TSINGHUA·Filed 2019·Granted Aug 9, 2022·2 cites·19 claims
- 0583US10429348B2Detection apparatus and detection methodNUCTECH CO LTD·Filed 2019·Granted Oct 1, 2019·1 cites·20 claims
- 0682US10215666B2Sample injection device and method for sample collection and sample thermal desorption, and trace detection apparatusNUCTECH CO LTD·Filed 2015·Granted Feb 26, 2019·2 cites·20 claims
- 0780US9618484B2General sample injector, gas chromatograph and combined spectrometerNUCTECH CO LTD·Filed 2014·Granted Apr 11, 2017·3 cites·18 claims
- 0879US11346807B2Pulsed sampling-based ion mobility spectrometer and snifferNUCTECH CO LTD·Filed 2019·Granted May 31, 2022·1 cites·20 claims
- 0979US10520402B2Sample collecting and introducing device and detection systemUNIV TSINGHUA·Filed 2018·Granted Dec 31, 2019·1 cites·15 claims
- 1078US10699887B2Preparation and feed apparatus of standard sample for calibration of trace-analysis instrumentNUCTECH CO LTD·Filed 2017·Granted Jun 30, 2020·1 cites·19 claims
- 1178US10663429B2Device for collecting semi-volatile or non-volatile substrateNUCTECH CO LTD·Filed 2018·Granted May 26, 2020·1 cites·18 claims
- 1275US10281431B2Darkroom type security inspection apparatus and methodNUCTECH CO LTD·Filed 2016·Granted May 7, 2019·1 cites·11 claims
- 1375US10151671B2Sampling device and gas curtain guideNUCTECH CO LTD·Filed 2016·Granted Dec 11, 2018·1 cites·19 claims
- 1466US9513266B2Gas chromatograph-ion mobility spectrometer systemNUCTECH CO LTD·Filed 2014·Granted Dec 6, 2016·1 cites·16 claims
- 1561US9261610B2High purity germanium detectorNUCTECH CO LTD·Filed 2014·Granted Feb 16, 2016·1 cites·12 claims
- 1658US11400407B2Decomposition method and apparatus based on basis material combinationNUCTECH CO LTD·Filed 2018·Granted Aug 2, 2022·0 cites·15 claims
- 1758US11193860B2Gas purifying device and ion migration spectrometerNUCTECH CO LTD·Filed 2018·Granted Dec 7, 2021·0 cites·15 claims
- 1856US12352726B2Trace detection deviceNUCTECH CO LTD·Filed 2021·Granted Jul 8, 2025·0 cites·14 claims
- 1956US11320407B2Gas chromatograph-ion mobility spectrometry combined equipmentNUCTECH CO LTD·Filed 2019·Granted May 3, 2022·0 cites·14 claims
- 2055US11022581B2Multiple functions ion mobility spectrometer deviceNUCTECH CO LTD·Filed 2019·Granted Jun 1, 2021·0 cites·19 claims
- 2155US9337626B2Corona discharge assembly, ion mobility spectrometer, computer program and computer readable storage mediumNUCTECH CO LTD·Filed 2014·Granted May 10, 2016·0 cites·13 claims
- 2254US10234436B2Gas chromatography-ion mobility spectrometry apparatusNUCTECH CO LTD·Filed 2017·Granted Mar 19, 2019·0 cites·10 claims
- 2353US9231383B2Corona discharge assembly, ion mobility spectrometer, computer program and computer readable storage mediumNUCTECH CO LTD·Filed 2014·Granted Jan 5, 2016·0 cites·16 claims
- 2452US11476102B2Real-time calibration device, real-time calibration method and detection apparatusNUCTECH CO LTD·Filed 2020·Granted Oct 18, 2022·0 cites·14 claims
- 2552US11215626B2Gate system for sample detection and method of sample inspectionUNIV TSINGHUA·Filed 2019·Granted Jan 4, 2022·0 cites·9 claims
- 2650US10782211B2Gathering and sampling device and inspection apparatusUNIV TSINGHUA·Filed 2017·Granted Sep 22, 2020·0 cites·14 claims
- 2749US11346808B2Trace detection deviceNuctech Company Limted·Filed 2020·Granted May 31, 2022·0 cites·13 claims
- 2849US10989689B2Gas chromatography-ion mobility spectrometry detector and gas chromatograph-ion mobility spectrometerNUCTECH CO LTD·Filed 2018·Granted Apr 27, 2021·0 cites·8 claims
- 2949US9772306B2Gas analyzing apparatus and sampling deviceNUCTECH CO LTD·Filed 2015·Granted Sep 26, 2017·0 cites·20 claims
- 3049US2021055267A1Article inspection system and method, electronic device, storage mediumNUCTECH CO LTD·Filed 2019·Application pending·0 cites
- 3148US2020150086A1Gas path flow monitoring apparatus and method for ion mobility spectrometerUNIV TSINGHUA·Filed 2019·Application pending·0 cites
- 3248US2019204188A1Sampling adsorber, heat desorption chamber device, sampling apparatus and analyzer apparatusUNIV TSINGHUA·Filed 2018·Application pending·0 cites
- 3347US10775278B2Scrubbing and sampling device, card reader apparatus and gate apparatusUNIV TSINGHUA·Filed 2017·Granted Sep 15, 2020·0 cites·11 claims
- 3445US10794923B2Wiping-type sample sampling and feeding device, card reading apparatus, and gate machine apparatusNUCTECH CO LTD·Filed 2018·Granted Oct 6, 2020·0 cites·11 claims
- 3543US10032616B2Sample introduction deviceNUCTECH CO LTD·Filed 2015·Granted Jul 24, 2018·0 cites·20 claims
- 3642US10408804B2Darkroom type security inspection apparatus and methodUNIV TSINGHUA·Filed 2016·Granted Sep 10, 2019·0 cites·20 claims
- 3741US10276359B2Ion mobility spectrometerNUCTECH CO LTD·Filed 2017·Granted Apr 30, 2019·0 cites·10 claims
- 3840US10535509B2Ion migration tube and method of operating the sameNUCTECH CO LTD·Filed 2017·Granted Jan 14, 2020·0 cites·9 claims
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