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NANJING CHAOHUA ELECTRONIC INFORMATION TECH CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    136,110
  • Filing trend
    ⇩ 100.0%
About

NANJING CHAOHUA ELECTRONIC INFORMATION TECH CO LTD has a total of 12 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, audio-visual technology and digital networks are SUHR BAUBESCHLAGFAB WILHELM, CHENGDU HEZHONG STRONG PROT EQUIPMENT CO LTD and KIMURA MASAAKI.

Patent filings in countries

World map showing NANJING CHAOHUA ELECTRONIC INFORMATION TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing NANJING CHAOHUA ELECTRONIC INFORMATION TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Baohua 12

Latest patents

Publication Filing date Title
CN108049770A A kind of dust-proof guide rail of automatically-controlled door
CN108060856A A kind of induction door automatic theft protection installation and its method
CN108008462A A kind of automatically-controlled door infrared induction device
CN108262291A A kind of automatically-controlled door door lock cleaning device and its method
CN108035667A A kind of rotary automatically-controlled door
CN108086845A The thermoinduction anti-pinch device and its method of a kind of automatically-controlled door
CN108071299A A kind of automatic door connection structure
CN108081050A The lock core production sanding apparatus and its method that a kind of electrically operated gate is locked automatically
CN108060854A A kind of electrically operated gate long-distance monitorng device and method
CN108260330A A kind of device for controlling automatic door waterproof cooling protects shell
CN108015615A A kind of automatic door sensor protective cover
CN108086841A A kind of installing mechanism of automatically-controlled door