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DUAN CHAO

Overview
  • Total Patents
    27
  • GoodIP Patent Rank
    193,317
  • Filing trend
    ⇩ 100.0%
About

DUAN CHAO has a total of 27 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2009. It filed its patents most often in United States and China. Its main competitors in its focus markets telecommunications, machines and computer technology are STRAWBERRY CORP KK, PERINI ELECTRONIC CORP and FUTAIHONG PREC INDUSTRY CO LTD.

Patent filings in countries

World map showing DUAN CHAOs patent filings in countries
# Country Total Patents
#1 United States 22
#2 China 5

Patent filings per year

Chart showing DUAN CHAOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Duan Chao 27
#2 Chen Chia-Hua 22
#3 He Jin 2
#4 Li Jian-Wei 1
#5 Ding Fan-Zhe 1
#6 Hu Zhi-Yu 1
#7 Wu Ke-Long 1

Latest patents

Publication Filing date Title
CN110818039A Quantum Hertz low-frequency resonance activator
CN107516263A A kind of managing device of household electrical appliance, business management system and control method
CN107451736A Intelligent refrigerator Internet of Things business management system, control method, device and refrigerator
CN104182353A Data storage system adopting different storage media
CN103973712A Access control method and device for network data
US2012206872A1 Hinge assembly for foldable electronic device
US2013107428A1 Portable electronic device
US2010205778A1 Washer for hinge assembly