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CHINA CHANGFENG SCIENCE TECHNOLOGY IND GROUP CORP

Overview
  • Total Patents
    521
  • GoodIP Patent Rank
    3,657
  • Filing trend
    ⇧ 3.0%
About

CHINA CHANGFENG SCIENCE TECHNOLOGY IND GROUP CORP has a total of 521 patent applications. It increased the IP activity by 3.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets computer technology, it methods for management and audio-visual technology are SHANGHAI SHENGPAY ELECTRONIC PAYMENT SERVICE CO LTD, UNIINFO CO LTD and SHANDONG INSPUR BUSINESS SYSTEM CO LTD.

Patent filings in countries

World map showing CHINA CHANGFENG SCIENCE TECHNOLOGY IND GROUP CORPs patent filings in countries
# Country Total Patents
#1 China 521

Patent filings per year

Chart showing CHINA CHANGFENG SCIENCE TECHNOLOGY IND GROUP CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Weijin 37
#2 Luo Kegang 28
#3 Zhang Xiaolin 27
#4 Zhao Kai 25
#5 Lin Hua 24
#6 Yan Hongli 24
#7 Wang Chunhua 23
#8 Zhao Qian 22
#9 Chen Rui 21
#10 Wang An 21

Latest patents

Publication Filing date Title
CN111274014A Automatic scheduling and converting method for criminal execution supervision data
CN112181673A Mass data elastic writing method based on message queue
CN112180773A Multi-sound source telephone traffic processor for alarm receiving seat
CN112180416A Positioning method based on mobile police terminal
CN112181953A Big data analysis method based on multi-table association collision rapid retrieval
CN112188150A Method for playing real-time monitoring video by browser through repackaging
CN112183043A Online document synthesis system
CN112185042A Indoor human body detection and alarm system
CN112185102A Traffic flow real-time detection data-based congestion loss calculation method
CN112183162A Face automatic registration and recognition system and method in monitoring scene
CN112181384A Method for automatically analyzing condition query
CN112188011A Call center quality inspection and assessment method based on voice recognition
CN112183163A Natural scene text detection method based on full convolution residual error network
CN112182447A Dynamic display system based on graph data structure
CN112182075A Method for carrying out data extraction and conversion based on Springboot framework scheduling button
CN112188148A Video transmission method through firewall and gatekeeper
CN112185083A Repeated alarm judging method
CN112187706A Method for data synchronization through network gate
CN112183164A Pedestrian attribute identification method under surveillance video
CN112188149A Video monitoring method based on android