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SHENZHEN GUOHUA OPTOELECTRONICS CO LTD

Overview
  • Total Patents
    47
  • GoodIP Patent Rank
    31,871
  • Filing trend
    ⇩ 35.0%
About

SHENZHEN GUOHUA OPTOELECTRONICS CO LTD has a total of 47 patent applications. It decreased the IP activity by 35.0%. Its first patent ever was published in 2014. It filed its patents most often in WIPO (World Intellectual Property Organization), United States and EPO (European Patent Office). Its main competitors in its focus markets optics, audio-visual technology and basic materials chemistry are CONCORD HK INTERNATIONAL EDUCATION LTD, UCHIDA TATSUO and CLEARINK DISPLAYS LLC.

Patent filings in countries

World map showing SHENZHEN GUOHUA OPTOELECTRONICS CO LTDs patent filings in countries
# Country Total Patents
#1 WIPO (World Intellectual Property Organization) 37
#2 United States 8
#3 EPO (European Patent Office) 2

Patent filings per year

Chart showing SHENZHEN GUOHUA OPTOELECTRONICS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhou Guofu 46
#2 Li Nan 12
#3 Hayes Robert Andrew 12
#4 Hu Xiaowen 8
#5 Broer Dirk Jan 8
#6 Schenning Albertus Petrus Henricus Johannes 8
#7 Groenewold Jan 6
#8 Liu Danqing 6
#9 Zhan Yuanyuan 6
#10 Guo Yuanyuan 5

Latest patents

Publication Filing date Title
WO2019075882A1 Test system based on sensitivity of humidity sensor
WO2017084574A1 Smart glass
WO2017197590A1 Method for preparing silver nanoparticles
WO2017054435A1 Driving method for reducing ghosting artifact of electrophoretic display
WO2017075909A1 Pure black dye and preparation method therefor, and electrowetting displaying ink
WO2017036063A1 Quick response method for multistage gray scale electrophoresis electronic paper
WO2016173096A1 Device combining led display and reflective display
EP3136135A1 Display structure having high-brightness diffuse reflector and manufacturing method therefor
EP3136152A1 Display structure having paper effect and manufacturing method therefor