National Institute of Metrology P.R. China

China

 
Total IP 44
Total IP Rank # 31,594
IP Activity Score 2.6/5.0    51
IP Activity Rank # 14,335

Patents

Trademarks

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Last Patent 2025 - Nuclide identification method, s...
First Patent 2008 - Cylindrical model eye, cylindric...

Latest Inventions, Goods, Services

2024 Invention Nuclide identification method, system and electronic device. A nuclide identification method, a s...
Invention Scaling module, and calibration method and use method therefor. A scaling module, and a calibrat...
Invention Cavity ionization chamber for measuring dose rate at protection-level. Provided is a cavity ioni...
Invention Vertically-mounted micro friction drag chain mechanism. A vertically-mounted micro friction drag...
Invention Probe module for testing of electrical resistivity of conductive fiber materials. A probe module...
Invention Kit for calibration of isothermal polymerase chain reaction (pcr) analyzer and use thereof. Prov...
Invention Trusted space positioning calibration service system and operation method thereof. The present a...
2023 Invention Method for preparing and certifying novel coronavirus nucleocapsid protein. Disclosed in the pre...
Invention Method for achieving terminal-pair definition of four-terminal-pair impedance and application the...
Invention Brdf measurement system and method, electronic device, and storage medium. A bidirectional reflec...
Invention On-site reciprocity calibration method for piezoelectric accelerometer. An on-site reciprocity c...
Invention Artificial cell for single-cell mass spectrometry (scms) measurement and preparation method there...
Invention Composite magnetic nanomaterial based on dna tetrahedron, preparation therefor and use thereof. ...
Invention Standard circuit and standard for far-end crosstalk of category 6a cable (cat 6a). A standard ci...
Invention Standard for near end crosstalk of category 6a cable (cat 6a). A standard for near end crosstalk...
2022 Invention Method, device and system for in-situ calibration of fixed radiation dose rate instrument. A met...
Invention Ion storage system and method based on quadrupole-ion trap tandem mass spectrometry. The present...
Invention Device and method for measuring laser displacement. Disclosed are a device and a method for measu...
Invention Four-quadrant interferometry system based on an integrated array wave plate. The invention disclo...
Invention Calibration module and use method therefor. A calibration module and a use method therefor. The ...
Invention Composite measurement system for measuring nanometer displacement. A composite measurement system...
Invention System and method for verifying alternating current (ac)/direct current (dc) conversion of ultral...
Invention Surface texture probe and measurement apparatus with a vibrational membrane. A surface texture pr...
Invention Fpga-based multi-channel dynamic light scattering autocorrelation system and method. The present...
Invention Sequencing method, system and kit of low molecular weight heparin oligosaccharides. A sequencing...
Invention Tip-enhanced raman spectroscope system. The present disclosure provides a tip-enhanced Raman spe...
2021 Invention Method for measuring angular velocity and angular acceleration based on monocular vision. A metho...
Invention Method for calibrating linear vibration and angular vibration based on monocular vision. A method...
Invention Monocular vision-based method for measuring displacement and trajectory of planar motion. A monoc...
Invention Six-degree-of-freedom measurement method by machine vision based on physical decoupling. A six-de...
Invention Scanning probe having micro-tip, method and apparatus for manufacturing the same. The present dis...
2020 Invention Credible alliance blockchain digital calibration certificate system and operation method therefor...
2019 Invention Method for calibrating phase-frequency characteristic of low frequence accelerometer based on tim...
Invention Tip-enhanced raman spectroscope system. The present disclosure provides a tip-enhanced Raman spec...
Invention Laser heterodyne interferometric apparatus and method based on plane mirror reflection. Disclosed...
2016 Invention Objective method for assessing high contrast resolution of image based on rayleigh criterion and ...
Invention Automatic large-mass-weight handling system. An automatic large-mass-weight handling system compr...
Invention High accuracy measuring device for measuring large mass. The invention relates to a measuring dev...
Invention Measuring device for measuring large mass with optical refraction and displacement measuring. The...
Invention Mass spectrometry device and analysis method for gas phase molecule-ion reaction. A mass spectrom...
Invention Networking mass analysis method and device. The invention discloses a networking mass analysis m...
2015 Invention Mass spectrometry apparatus for ultraviolet light ionization of neutral lost molecules, and metho...
2014 Invention Type rectangular ion trap device and method for ion storage and separation. The present invention...
Invention Absolute measurement method and apparatus thereof for non-linear error. The present invention dis...
Invention Grating external-cavity semiconductor laser and quasi-synchronous method thereof. A method for qu...
2013 Invention Device and method for visual threshold measurement. The present invention relates to a device an...
2012 Invention Infrasound generating device based on a displacement-feedback type vibration exciter. The infraso...
Invention Electromagnetic vibration exciter system with adjustable electro-viscoelastic suspension device. ...
Invention Method of extreme ultraviolet lithography projection objective. A design method of extreme ultrav...