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BEIJING CHANGFENG KEWEI PHOTOELECTRIC TECH CO LTD

Overview
  • Total Patents
    31
  • GoodIP Patent Rank
    50,009
  • Filing trend
    ⇧ 18.0%
About

BEIJING CHANGFENG KEWEI PHOTOELECTRIC TECH CO LTD has a total of 31 patent applications. It increased the IP activity by 18.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets measurement, optics and electrical machinery and energy are INFIRAY TECH CO LTD, SUNNY OPTICAL ZHEJIANG RES INSTITUTE CO LTD and XI&APOSAN INST OF APPLIED OPTICS.

Patent filings in countries

World map showing BEIJING CHANGFENG KEWEI PHOTOELECTRIC TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 31

Patent filings per year

Chart showing BEIJING CHANGFENG KEWEI PHOTOELECTRIC TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yu Longyang 6
#2 Liu Jialiang 4
#3 Mu Manman 4
#4 Zhang Weiwei 4
#5 Mao Jiansen 4
#6 Zhou Peitao 3
#7 Zhang Hui 2
#8 Wang Pei 2
#9 Chen Yihe 2
#10 Chen Yanjun 2

Latest patents

Publication Filing date Title
CN110908275A Multi-circuit control method based on single communication interface
CN110794546A Six-axis parallel piezoelectric actuation mirror frame posture automatic adjusting system and method
CN110930435A Multi-background integrated infrared sequence moving object detection method
CN110855890A Multi-mode infrared detector image algorithm analysis and verification method
CN110793645A Infrared detector interface board fixed knot constructs
CN110850500A Infrared image multi-section single-point correction parameter correction method
CN110793550A Positioning measurement method based on two-dimensional double-shaft tilt sensor
CN111338157A Camera focusing mechanism control method
CN111342648A Power-on sequence control system of switching power supply
CN111340692A Infrared image dynamic range compression and contrast enhancement algorithm
CN111336227A Transmission system of infrared thermal imager
CN111336375A Universal platform capable of realizing butt joint of lenses of different models and detectors
CN111337226A Method for optimizing imaging effect of scanning imaging system
CN111342643A Power-on sequence control method for switching power supply
CN111338052A Lens optical axis migration system convenient to secondary adjustment
CN111340712A Cold reflection restoration method for environment temperature self-adaptive infrared imaging system
CN111338050A Lens optical axis deviation method convenient for secondary adjustment
CN111327844A Portable uncooled thermal infrared imager system
CN111327843A Method for transmitting 16-bit infrared image data by using common acquisition card
CN111327393A Image detector parameter transmission method based on serial communication interface