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LIU QING-HUA

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    233,322
About

LIU QING-HUA has a total of 13 patent applications. Its first patent ever was published in 2008. It filed its patents most often in United States and China. Its main competitors in its focus markets audio-visual technology, computer technology and telecommunications are BITSTREAM INC, SIGMEX LTD and LOWLES ROBERT J.

Patent filings in countries

World map showing LIU QING-HUAs patent filings in countries
# Country Total Patents
#1 United States 12
#2 China 1

Patent filings per year

Chart showing LIU QING-HUAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Qing-Hua 13
#2 Xiao Yong-Hui 2
#3 Zhu Yuan-Nan 1
#4 Wu Yi-Fang 1
#5 Li Zhi-Wei 1
#6 Lin Huan-Feng 1
#7 Chen Hong-Ren 1

Latest patents

Publication Filing date Title
US2011161039A1 Method and system of testing electronic device