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BEIJING CHANGCHENG INST METROLOGY & MEASUREMENT AVIAT IND CORP CHINA

Overview
  • Total Patents
    129
  • GoodIP Patent Rank
    31,141
About

BEIJING CHANGCHENG INST METROLOGY & MEASUREMENT AVIAT IND CORP CHINA has a total of 129 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets measurement, optics and control are WILD HEERBRUGG AG, PENTAX PREC CO LTD and YAO XIAOTIAN STEVE.

Patent filings in countries

World map showing BEIJING CHANGCHENG INST METROLOGY & MEASUREMENT AVIAT IND CORP CHINAs patent filings in countries
# Country Total Patents
#1 China 129

Patent filings per year

Chart showing BEIJING CHANGCHENG INST METROLOGY & MEASUREMENT AVIAT IND CORP CHINAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhu Zhenyu 25
#2 Liang Zhiguo 22
#3 Li Huafeng 17
#4 Zhang Li 15
#5 Li Qiang 14
#6 Zhang Dapeng 12
#7 Wang Li 12
#8 Li Xinliang 11
#9 Yang Yongjun 11
#10 Wu Tengfei 11

Latest patents

Publication Filing date Title
CN105352659A Multi-component force combination calibration method
CN105333974A Double-screen air suction type sapphire optical fiber high temperature sensor
CN105353165A Fiber accelerometer based on MEMS technology
CN105332972A Field calibration device for hydraulic displacement servo system
CN105302006A Device and method for controlling auto-calibration process of pulse signal generator
CN105334611A H type slit used for two dimension photoelectric microscope
CN104865602A Method of determining epicenter location and earthquake start time through multiple data sources
CN104793091A Site test and evaluation method of doubly-fed converter
CN104808240A Identification method for space posture and motion state of earthquake measuring terminal
CN104900487A Method and apparatus for preparing black silica by adopting lattice scanning
CN104698466A Remote dynamic target distance measuring device and method
CN104655364A Pressure division mode high-static-pressure differential pressure generating device and method
CN104732728A Intelligent terminal earthquake early warning system
CN104677408A Device and method for testing fatigue life of optical fiber grating sensors
CN104614746A Device and method for calibrating attitude and heading reference system based on satellite receiver
CN104614544A Differential type laser-measuring-impact method and device based on partial period demodulation
CN104614850A Large-focus static photoelectric microscope
CN104634255A Non-contact measuring device for step gauge measurement
CN104832466A Area ratio-variable pressure multiplication device and adjustment method
CN104677295A Laser interference nonlinear error self-compensation method and device