Qiufeng MA

Person

Beijing, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Real-time calibration device, real-time calibration method and dete...
- Patent number 11,476,102
- Issue date Oct 18, 2022
- Nuctech Company Limited
- Qingjun Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sampling probe, automatic sampling device, and container detection...
- Patent number 11,422,070
- Issue date Aug 23, 2022
- Nuctech Company Limited
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Sampling tube bundle, sampling analysis device and preparation meth...
- Patent number 11,408,852
- Issue date Aug 9, 2022
- Tsinghua University
- Zhiqiang Chen
- G01 - MEASURING TESTING
Information Patent Grant
Pulsed sampling-based ion mobility spectrometer and sniffer
- Patent number 11,346,807
- Issue date May 31, 2022
- Nuctech Company Limited
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Trace detection device
- Patent number 11,346,808
- Issue date May 31, 2022
- Nuctech Company Limited
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Gas chromatograph-ion mobility spectrometry combined equipment
- Patent number 11,320,407
- Issue date May 3, 2022
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Gate system for sample detection and method of sample inspection
- Patent number 11,215,626
- Issue date Jan 4, 2022
- Tsinghua University
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Gas purifying device and ion migration spectrometer
- Patent number 11,193,860
- Issue date Dec 7, 2021
- Nuctech Company Limited
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Multiple functions ion mobility spectrometer device
- Patent number 11,022,581
- Issue date Jun 1, 2021
- Nuctech Company Limited
- Qingjun Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas chromatography-ion mobility spectrometry detector and gas chrom...
- Patent number 10,989,689
- Issue date Apr 27, 2021
- Nuctech Company Limited
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Wiping-type sample sampling and feeding device, card reading appara...
- Patent number 10,794,923
- Issue date Oct 6, 2020
- Nuctech Company Limited
- Qingjun Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gathering and sampling device and inspection apparatus
- Patent number 10,782,211
- Issue date Sep 22, 2020
- Tsinghua University
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Scrubbing and sampling device, card reader apparatus and gate appar...
- Patent number 10,775,278
- Issue date Sep 15, 2020
- Tsinghua University
- Qingjun Zhang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Preparation and feed apparatus of standard sample for calibration o...
- Patent number 10,699,887
- Issue date Jun 30, 2020
- Nuctech Company Limited
- Qingjun Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Device for collecting semi-volatile or non-volatile substrate
- Patent number 10,663,429
- Issue date May 26, 2020
- Nuctech Company Limited
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Detection apparatus and detection method
- Patent number 10,539,531
- Issue date Jan 21, 2020
- Nuctech Company Limited
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Ion migration tube and method of operating the same
- Patent number 10,535,509
- Issue date Jan 14, 2020
- Nuctech Company Limited
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Sample collecting and introducing device and detection system
- Patent number 10,520,402
- Issue date Dec 31, 2019
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Detection apparatus and detection method
- Patent number 10,429,348
- Issue date Oct 1, 2019
- Nuctech Company Limited
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Darkroom type security inspection apparatus and method
- Patent number 10,408,804
- Issue date Sep 10, 2019
- Tsinghua University
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Darkroom type security inspection apparatus and method
- Patent number 10,281,431
- Issue date May 7, 2019
- Nuctech Company Limited
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Detection apparatus and detection method
- Patent number 10,281,432
- Issue date May 7, 2019
- Nuctech Company Limited
- Qingjun Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ion mobility spectrometer
- Patent number 10,276,359
- Issue date Apr 30, 2019
- Nuctech Company Limited
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Gas chromatography-ion mobility spectrometry apparatus
- Patent number 10,234,436
- Issue date Mar 19, 2019
- Nuctech Company Limited
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Sample injection device and method for sample collection and sample...
- Patent number 10,215,666
- Issue date Feb 26, 2019
- Nuctech Company Limited
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Sampling device and gas curtain guide
- Patent number 10,151,671
- Issue date Dec 11, 2018
- Nuctech Company Limited
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Sample introduction device
- Patent number 10,032,616
- Issue date Jul 24, 2018
- Nuctech Company Limited
- Qingjun Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas analyzing apparatus and sampling device
- Patent number 9,772,306
- Issue date Sep 26, 2017
- Nuctech Company Limited
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Grant
General sample injector, gas chromatograph and combined spectrometer
- Patent number 9,618,484
- Issue date Apr 11, 2017
- Nuctech Company Limited
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Gas chromatograph-ion mobility spectrometer system
- Patent number 9,513,266
- Issue date Dec 6, 2016
- Nuctech Company Limited
- Qingjun Zhang
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
PULSED SAMPLING-BASED ION MOBILITY SPECTROMETER AND SNIFFER
- Publication number 20210404988
- Publication date Dec 30, 2021
- Nuctech Company Limited
- Qingjun ZHANG
- G01 - MEASURING TESTING
Information Patent Application
GAS PURIFYING DEVICE AND ION MIGRATION SPECTROMETER
- Publication number 20210215582
- Publication date Jul 15, 2021
- Nuctech Company Limited
- Qingjun ZHANG
- G01 - MEASURING TESTING
Information Patent Application
REAL-TIME CALIBRATION DEVICE, REAL-TIME CALIBRATION METHOD AND DETE...
- Publication number 20210118656
- Publication date Apr 22, 2021
- Nuctech Company Limited
- Qingjun Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ARTICLE INSPECTION SYSTEM AND METHOD, ELECTRONIC DEVICE, STORAGE ME...
- Publication number 20210055267
- Publication date Feb 25, 2021
- Nuctech Company Limited
- Qingjun ZHANG
- G01 - MEASURING TESTING
Information Patent Application
SAMPLING PROBE, AUTOMATIC SAMPLING DEVICE, AND CONTAINER DETECTION...
- Publication number 20210048376
- Publication date Feb 18, 2021
- Nuctech Company Limited
- Qingjun ZHANG
- G01 - MEASURING TESTING
Information Patent Application
TRACE DETECTION DEVICE
- Publication number 20210025849
- Publication date Jan 28, 2021
- NUCTECH COMPANY LIMTED
- Qingjun ZHANG
- G01 - MEASURING TESTING
Information Patent Application
GAS CHROMATOGRAPH-ION MOBILITY SPECTROMETRY COMBINED EQUIPMENT
- Publication number 20200240961
- Publication date Jul 30, 2020
- Nuctech Company Limited
- Qingjun ZHANG
- G01 - MEASURING TESTING
Information Patent Application
MULTIPLE FUNCTIONS ION MOBILITY SPECTROMETER DEVICE
- Publication number 20200209192
- Publication date Jul 2, 2020
- Nuctech Company Limited
- Qingjun ZHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GAS PATH FLOW MONITORING APPARATUS AND METHOD FOR ION MOBILITY SPEC...
- Publication number 20200150086
- Publication date May 14, 2020
- TSINGHUA UNIVERSITY
- Qingjun ZHANG
- G01 - MEASURING TESTING
Information Patent Application
SAMPLING TUBE BUNDLE, SAMPLING ANALYSIS DEVICE AND PREPARATION METH...
- Publication number 20200110056
- Publication date Apr 9, 2020
- TSINGHUA UNIVERSITY
- Zhiqiang CHEN
- G01 - MEASURING TESTING
Information Patent Application
GATE SYSTEM FOR SAMPLE DETECTION AND METHOD OF SAMPLE INSPECTION
- Publication number 20190346472
- Publication date Nov 14, 2019
- TSINGHUA UNIVERSITY
- Qingjun ZHANG
- G01 - MEASURING TESTING
Information Patent Application
DETECTION APPARATUS AND DETECTION METHOD
- Publication number 20190234904
- Publication date Aug 1, 2019
- Nuctech Company Limited
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Application
DETECTION APPARATUS AND DETECTION METHOD
- Publication number 20190234905
- Publication date Aug 1, 2019
- Nuctech Company Limited
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Application
GAS CHROMATOGRAPHY-ION MOBILITY SPECTROMETRY DETECTOR AND GAS CHROM...
- Publication number 20190204270
- Publication date Jul 4, 2019
- Nuctech Company Limited
- Qingjun ZHANG
- G01 - MEASURING TESTING
Information Patent Application
DEVICE FOR COLLECTING SEMI-VOLATILE OR NON-VOLATILE SUBSTRATE
- Publication number 20190204271
- Publication date Jul 4, 2019
- Nuctech Company Limited
- Qingjun ZHANG
- G01 - MEASURING TESTING
Information Patent Application
SAMPLING ADSORBER, HEAT DESORPTION CHAMBER DEVICE, SAMPLING APPARAT...
- Publication number 20190204188
- Publication date Jul 4, 2019
- TSINGHUA UNIVERSITY
- Qingjun ZHANG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Decomposition Method and Apparatus Based on Basis Material Combination
- Publication number 20190193017
- Publication date Jun 27, 2019
- Nuctech Company Limited
- Qingjun ZHANG
- G01 - MEASURING TESTING
Information Patent Application
SAMPLE COLLECTING AND INTRODUCING DEVICE AND DETECTION SYSTEM
- Publication number 20190195751
- Publication date Jun 27, 2019
- TSINGHUA UNIVERSITY
- Qingjun ZHANG
- G01 - MEASURING TESTING
Information Patent Application
WIPING-TYPE SAMPLE SAMPLING AND FEEDING DEVICE, CARD READING APPARA...
- Publication number 20180196078
- Publication date Jul 12, 2018
- Nuctech Company Limited
- Qingjun ZHANG
- G01 - MEASURING TESTING
Information Patent Application
GATHERING AND SAMPLING DEVICE AND INSPECTION APPARATUS
- Publication number 20180188138
- Publication date Jul 5, 2018
- TSINGHUA UNIVERSITY
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Application
ION MIGRATION TUBE AND METHOD OF OPERATING THE SAME
- Publication number 20180190482
- Publication date Jul 5, 2018
- Nuctech Company Limited
- Qingjun Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ION MOBILITY SPECTROMETER
- Publication number 20180182606
- Publication date Jun 28, 2018
- Nuctech Company Limited
- Qingjun Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SCRUBBING AND SAMPLING DEVICE, CARD READER APPARATUS AND GATE APPAR...
- Publication number 20180164194
- Publication date Jun 14, 2018
- TSINGHUA UNIVERSITY
- Qingjun ZHANG
- G01 - MEASURING TESTING
Information Patent Application
GAS CHROMATOGRAPHY-ION MOBILITY SPECTROMETRY APPARATUS
- Publication number 20180164262
- Publication date Jun 14, 2018
- Nuctech Company Limited
- Qingjun ZHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PREPARATION AND FEED APPARATUS OF STANDARD SAMPLE FOR CALIBRATION O...
- Publication number 20180158659
- Publication date Jun 7, 2018
- Nuctech Company Limited
- Qingjun ZHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SAMPLE INJECTION DEVICE AND METHOD FOR SAMPLE COLLECTION AND SAMPLE...
- Publication number 20170176299
- Publication date Jun 22, 2017
- Nuctech Company Limited
- Qingjun ZHANG
- G01 - MEASURING TESTING
Information Patent Application
DARKROOM TYPE SECURITY INSPECTION APPARATUS AND METHOD
- Publication number 20170138914
- Publication date May 18, 2017
- TSINGHUA UNIVERSITY
- Qingjun ZHANG
- G01 - MEASURING TESTING
Information Patent Application
DARKROOM TYPE SECURITY INSPECTION APPARATUS AND METHOD
- Publication number 20170138902
- Publication date May 18, 2017
- Nuctech Company Limited
- Qingjun ZHANG
- G01 - MEASURING TESTING
Information Patent Application
DETECTION APPARATUS AND DETECTION METHOD
- Publication number 20170016856
- Publication date Jan 19, 2017
- Nuctech Company Limited
- Qingjun Zhang
- G01 - MEASURING TESTING
Information Patent Application
SAMPLING DEVICE AND GAS CURTAIN GUIDE
- Publication number 20160356679
- Publication date Dec 8, 2016
- Nuctech Company Limited
- Qingjun Zhang
- G01 - MEASURING TESTING

Person

Patents Grantslast 30 patents

Real-time calibration device, real-time calibration method and dete...

Sampling probe, automatic sampling device, and container detection...

Sampling tube bundle, sampling analysis device and preparation meth...

Pulsed sampling-based ion mobility spectrometer and sniffer

Trace detection device

Gas chromatograph-ion mobility spectrometry combined equipment

Gate system for sample detection and method of sample inspection

Gas purifying device and ion migration spectrometer

Multiple functions ion mobility spectrometer device

Gas chromatography-ion mobility spectrometry detector and gas chrom...

Wiping-type sample sampling and feeding device, card reading appara...

Gathering and sampling device and inspection apparatus

Scrubbing and sampling device, card reader apparatus and gate appar...

Preparation and feed apparatus of standard sample for calibration o...

Device for collecting semi-volatile or non-volatile substrate

Detection apparatus and detection method

Ion migration tube and method of operating the same

Sample collecting and introducing device and detection system

Detection apparatus and detection method

Darkroom type security inspection apparatus and method

Darkroom type security inspection apparatus and method

Detection apparatus and detection method

Ion mobility spectrometer

Gas chromatography-ion mobility spectrometry apparatus

Sample injection device and method for sample collection and sample...

Sampling device and gas curtain guide

Sample introduction device

Gas analyzing apparatus and sampling device

General sample injector, gas chromatograph and combined spectrometer

Gas chromatograph-ion mobility spectrometer system

Patents Applicationslast 30 patents

PULSED SAMPLING-BASED ION MOBILITY SPECTROMETER AND SNIFFER

GAS PURIFYING DEVICE AND ION MIGRATION SPECTROMETER

REAL-TIME CALIBRATION DEVICE, REAL-TIME CALIBRATION METHOD AND DETE...

ARTICLE INSPECTION SYSTEM AND METHOD, ELECTRONIC DEVICE, STORAGE ME...

SAMPLING PROBE, AUTOMATIC SAMPLING DEVICE, AND CONTAINER DETECTION...

TRACE DETECTION DEVICE

GAS CHROMATOGRAPH-ION MOBILITY SPECTROMETRY COMBINED EQUIPMENT

MULTIPLE FUNCTIONS ION MOBILITY SPECTROMETER DEVICE

GAS PATH FLOW MONITORING APPARATUS AND METHOD FOR ION MOBILITY SPEC...

SAMPLING TUBE BUNDLE, SAMPLING ANALYSIS DEVICE AND PREPARATION METH...

GATE SYSTEM FOR SAMPLE DETECTION AND METHOD OF SAMPLE INSPECTION

DETECTION APPARATUS AND DETECTION METHOD

DETECTION APPARATUS AND DETECTION METHOD

GAS CHROMATOGRAPHY-ION MOBILITY SPECTROMETRY DETECTOR AND GAS CHROM...

DEVICE FOR COLLECTING SEMI-VOLATILE OR NON-VOLATILE SUBSTRATE

SAMPLING ADSORBER, HEAT DESORPTION CHAMBER DEVICE, SAMPLING APPARAT...

Decomposition Method and Apparatus Based on Basis Material Combination

SAMPLE COLLECTING AND INTRODUCING DEVICE AND DETECTION SYSTEM

WIPING-TYPE SAMPLE SAMPLING AND FEEDING DEVICE, CARD READING APPARA...

GATHERING AND SAMPLING DEVICE AND INSPECTION APPARATUS

ION MIGRATION TUBE AND METHOD OF OPERATING THE SAME

ION MOBILITY SPECTROMETER

SCRUBBING AND SAMPLING DEVICE, CARD READER APPARATUS AND GATE APPAR...

GAS CHROMATOGRAPHY-ION MOBILITY SPECTROMETRY APPARATUS

PREPARATION AND FEED APPARATUS OF STANDARD SAMPLE FOR CALIBRATION O...

SAMPLE INJECTION DEVICE AND METHOD FOR SAMPLE COLLECTION AND SAMPLE...

DARKROOM TYPE SECURITY INSPECTION APPARATUS AND METHOD

DARKROOM TYPE SECURITY INSPECTION APPARATUS AND METHOD

DETECTION APPARATUS AND DETECTION METHOD

SAMPLING DEVICE AND GAS CURTAIN GUIDE