Assignee
NAT INST METROLOGY CHINA
CN·27 granted patents·18 pending applications·13 citations·filing 2015–2025
Top patents by PatentIndex Score
45 records- 0185US10090849B1Method for performing ADC phase-frequency response testNAT INST METROLOGY CHINA·Filed 2018·Granted Oct 2, 2018·8 cites·6 claims
- 0284US11709045B1Surface texture probe and measurement apparatus with a vibrational membraneNAT INST METROLOGY CHINA·Filed 2022·Granted Jul 25, 2023·3 cites·20 claims
- 0378US11067596B2Method for calibrating phase-frequency characteristic of low frequence accelerometer based on time-spatial synchronizationNAT INST METROLOGY CHINA·Filed 2019·Granted Jul 20, 2021·2 cites·6 claims
- 0476US11579169B2Scanning probe having micro-tip, method and apparatus for manufacturing the sameNAT INST METROLOGY CHINA·Filed 2021·Granted Feb 14, 2023·0 cites·10 claims
- 0572US12205681B1Nuclide identification method, system and electronic deviceNAT INST METROLOGY CHINA·Filed 2024·Granted Jan 21, 2025·0 cites·20 claims
- 0672US2026023190A1Method for adjusting motor control parameters of absolute gravimeterNAT INST METROLOGY CHINA·Filed 2025·Application pending·0 cites
- 0771US2022128596A1Tip-enhanced raman spectroscope systemNAT INST METROLOGY CHINA·Filed 2022·Application pending·0 cites
- 0869US2026063594A1Auxiliary positioning method for ultrasonic microscope based on optical imagingNAT INST METROLOGY CHINA·Filed 2025·Application pending·0 cites
- 0967US2025011865A1Kit for calibration of isothermal polymerase chain reaction (pcr) analyzer and use thereofNAT INST METROLOGY CHINA·Filed 2024·Application pending·0 cites
- 1066US12294345B2Standard circuit and standard for far-end crosstalk of category 6A cable (CAT 6A)NAT INST METROLOGY CHINA·Filed 2023·Granted May 6, 2025·0 cites·9 claims
- 1165US11268978B2Tip-enhanced Raman spectroscope systemNAT INST METROLOGY CHINA·Filed 2019·Granted Mar 8, 2022·0 cites·19 claims
- 1262US12450316B1Detection method, system, medium and device based on multi-spectral data fusionNAT INST METROLOGY CHINA·Filed 2025·Granted Oct 21, 2025·0 cites·17 claims
- 1362US2025383375A1Traceability device for direct-current (dc) high-voltage divider based on distributed synchronous measurement, and calibration method using the sameNAT INST METROLOGY CHINA·Filed 2025·Application pending·0 cites
- 1461US12424430B2Ion storage system and method based on quadrupole-ion trap tandem mass spectrometryNAT INST METROLOGY CHINA·Filed 2022·Granted Sep 23, 2025·0 cites·6 claims
- 1559US12578480B2Trusted space positioning calibration service system and operation method thereofNAT INST METROLOGY CHINA·Filed 2024·Granted Mar 17, 2026·0 cites·10 claims
- 1659US2025237681A1Generating device of programmable quantum voltagesNAT INST METROLOGY CHINA·Filed 2025·Application pending·0 cites
- 1758US12467942B2On-site reciprocity calibration method for piezoelectric accelerometerNAT INST METROLOGY CHINA·Filed 2023·Granted Nov 11, 2025·0 cites·1 claims
- 1858US11788831B2Six-degree-of-freedom measurement method by machine vision based on physical decouplingNAT INST METROLOGY CHINA·Filed 2021·Granted Oct 17, 2023·0 cites·4 claims
- 1958US2026011127A1Validity testing method and system for data generator, and electronic deviceNAT INST METROLOGY CHINA·Filed 2023·Application pending·0 cites
- 2057US12188831B2BRDF measurement system and method, electronic device, and storage mediumNAT INST METROLOGY CHINA·Filed 2023·Granted Jan 7, 2025·0 cites·10 claims
- 2157US2023228893A1Method, device and system for in-situ calibration of fixed radiation dose rate instrumentNAT INST METROLOGY CHINA·Filed 2022·Application pending·0 cites
- 2257US2024199707A1Method for preparing and certifying novel coronavirus nucleocapsid proteinNAT INST METROLOGY CHINA·Filed 2023·Application pending·0 cites
- 2355US12523789B2Energy spectrum-dose measuring method and deviceNAT INST METROLOGY CHINA·Filed 2023·Granted Jan 13, 2026·0 cites·9 claims
- 2455US11761887B2Apparatus and method for quantitative detection of gasesNAT INST METROLOGY CHINA·Filed 2020·Granted Sep 19, 2023·0 cites·11 claims
- 2555US2025384673A1Test method and system for intelligent sensing system, and electronic deviceNAT INST METROLOGY CHINA·Filed 2023·Application pending·0 cites
- 2655US2025104811A1Optical calibration system and method for gene sequencerNAT INST METROLOGY CHINA·Filed 2024·Application pending·0 cites
- 2755US2023333099A1Composite magnetic nanomaterial based on dna tetrahedron, preparation therefor and use thereofNAT INST METROLOGY CHINA·Filed 2023·Application pending·0 cites
- 2854US11965920B1Method for achieving terminal-pair definition of four-terminal-pair impedance and application thereofNAT INST METROLOGY CHINA·Filed 2023·Granted Apr 23, 2024·0 cites·3 claims
- 2954US2025389641A1Measurement apparatus and method based on photon number resolving detectorNAT INST METROLOGY CHINA·Filed 2023·Application pending·0 cites
- 3053US12488912B2Standard for near end crosstalk of category 6A cable (CAT 6A)NAT INST METROLOGY CHINA·Filed 2023·Granted Dec 2, 2025·0 cites·10 claims
- 3152US12529711B2Probe module for testing of electrical resistivity of conductive fiber materialsNAT INST METROLOGY CHINA·Filed 2024·Granted Jan 20, 2026·0 cites·6 claims
- 3252US2025362201A1Calibration plate for detecting a subsurface depth and preparation method thereforNAT INST METROLOGY CHINA·Filed 2025·Application pending·0 cites
- 3352US2025006482A1Nano-liter photoionization mass spectrometry ion source device and operation method thereofNAT INST METROLOGY CHINA·Filed 2023·Application pending·0 cites
- 3452US2024411034A1Cavity ionization chamber for measuring dose rate at protection-levelNAT INST METROLOGY CHINA·Filed 2024·Application pending·0 cites
- 3552US2024420940A1Artificial cell for single-cell mass spectrometry (scms) measurement and preparation method thereofNAT INST METROLOGY CHINA·Filed 2023·Application pending·0 cites
- 3651US12483426B2Method for using RFID tags as carriers for digital calibration certificates and its systemNAT INST METROLOGY CHINA·Filed 2023·Granted Nov 25, 2025·0 cites·9 claims
- 3749US12287268B2FPGA-based multi-channel dynamic light scattering autocorrelation system and methodNAT INST METROLOGY CHINA·Filed 2022·Granted Apr 29, 2025·0 cites·16 claims
- 3849US11754595B2Method for calibrating linear vibration and angular vibration based on monocular visionNAT INST METROLOGY CHINA·Filed 2021·Granted Sep 12, 2023·0 cites·4 claims
- 3949US2024401674A1Vertically-mounted micro friction drag chain mechanismNAT INST METROLOGY CHINA·Filed 2024·Application pending·0 cites
- 4046US12174017B2Composite measurement system for measuring nanometer displacementNAT INST METROLOGY CHINA·Filed 2022·Granted Dec 24, 2024·0 cites·15 claims
- 4144US10169870B2Objective method for assessing high contrast resolution of image based on Rayleigh criterion and testing operating methodNAT INST METROLOGY CHINA·Filed 2016·Granted Jan 1, 2019·0 cites·21 claims
- 4238US12140425B2Four-quadrant interferometry system based on an integrated array wave plateNAT INST METROLOGY CHINA·Filed 2022·Granted Nov 12, 2024·0 cites·4 claims
- 4336US12137177B2Credible alliance blockchain digital calibration certificate system and operation method thereforNAT INST METROLOGY CHINA·Filed 2020·Granted Nov 5, 2024·0 cites·8 claims
- 4428US10504712B2Mass spectrometry device and analysis method for gas phase molecule-ion reactionNAT INST METROLOGY CHINA·Filed 2016·Granted Dec 10, 2019·0 cites·6 claims
- 4528US10163618B2Mass spectrometry apparatus for ultraviolet light ionization of neutral lost molecules, and method for operating sameNAT INST METROLOGY CHINA·Filed 2015·Granted Dec 25, 2018·0 cites·9 claims
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