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GUANGZHOU CHANGJIA ELECTRONIC CO LTD

Overview
  • Total Patents
    39
  • GoodIP Patent Rank
    48,062
  • Filing trend
    ⇧ 350.0%
About

GUANGZHOU CHANGJIA ELECTRONIC CO LTD has a total of 39 patent applications. It increased the IP activity by 350.0%. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets audio-visual technology, computer technology and optics are BEIJING SHENGSHIHUI TECH CO LTD, C CUBE MICROSYSTEMS and CHOURAQUI JEAN.

Patent filings in countries

World map showing GUANGZHOU CHANGJIA ELECTRONIC CO LTDs patent filings in countries
# Country Total Patents
#1 China 39

Patent filings per year

Chart showing GUANGZHOU CHANGJIA ELECTRONIC CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhuang Hongdong 38
#2 Nie Yunhui 22
#3 Ou Hanbiao 10
#4 Li Zufeng 10
#5 Ji Xiqin 8
#6 Wu Hailun 8
#7 Fang Zhengbing 6
#8 Zhang Ruikun 6
#9 Dai Xiaojing 5
#10 Liu Feng 4

Latest patents

Publication Filing date Title
CN110996152A Wireless screen projection method, device and system for television based on wireless screen projector
CN110933346A Television power supply method and system based on uninterruptible power supply
CN110662092A Digital television signal processing method and device based on intelligent digital set top box
CN110794986A Conference tablet control method and device based on infrared touch frame and conference tablet
CN110545478A television system control method embedded with game function and television system
CN110602536A Android system-based smart television video signal source switching method and device
CN110504732A The method and sound equipment that the rechargeable battery of a kind of pair of sound equipment charges
CN110493618A Android method for intelligently controlling televisions and system based on USB3.0 interface
CN110503975A Smart television speech enhan-cement control method and system based on multi-microphone noise reduction
CN109672933A USB interface-based Android TV verification method and system
CN109660827A A kind of 4K smart television broadcast television signal processing method and system
CN109495774A A kind of 4K smart television peripheral hardware matching method and system
CN109633976A A kind of direct-type backlight TV using high-power lamp bead
CN109495703A A kind of the simulated television playback method and system of plug-in coaxial audio-frequency module
CN109272996A A kind of noise-reduction method and system
CN109862419A A kind of intelligent digital television exchange method and system
CN109167943A COAX interface TV ISDB-T signal processing method and system
CN108989849A A kind of DVB-T2+S2 TV signal processing method and system
CN108156517A The method and television set of data flow control are realized based on DLED television sets
CN108174263A The method and system of anolog TV signals processing are realized based on COAX modules