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YOUDA PHOTOELECTRIC CO LTD

Overview
  • Total Patents
    622
  • GoodIP Patent Rank
    235,079
About

YOUDA PHOTOELECTRIC CO LTD has a total of 622 patent applications. Its first patent ever was published in 1999. It filed its patents most often in China. Its main competitors in its focus markets semiconductors, optics and environmental technology are TRANSPACIFIC INFINITY LLC, SAH WEN-JYH and AU OPTRONICS CORPOATION.

Patent filings in countries

World map showing YOUDA PHOTOELECTRIC CO LTDs patent filings in countries
# Country Total Patents
#1 China 622

Patent filings per year

Chart showing YOUDA PHOTOELECTRIC CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhiming Zhang 11
#2 Chen Baicheng 7
#3 Lai Hanzhong 7
#4 Jiansheng You 7
#5 Sun Wentang 6
#6 Zhijun Yang 6
#7 Yaoren Xie 6
#8 Hantu Lin 6
#9 Bolun Chen 5
#10 Zhiren Hu 5

Latest patents

Publication Filing date Title
CN101197124A LCD device and band gap reference voltage circuit
CN101186098A Method for using dual material emission technology to product backlight module and backlight module
CN101197332A Pixel structure manufacturing method
CN101196648A Back light module unit and LCD module group
CN101187761A Filtering substrate and display panel with different alignment structure
CN101188904A Circuit board assembly
CN101178526A LCD and LCD drive method
CN101186349A Pure water supplying system capable of controlling oxygen dissolving content and degassing method thereof
CN101201490A Method for thinning display panel device
CN101075709A Connector
CN101075041A Lightback mould set
CN101067704A Picture element structure, display device and photoelectric device
CN101030588A Array base plate and its production
CN101029946A Production of color light filter
CN101029945A Color light filter and its production
CN101029947A Color light filter
CN101030000A Back-light module and its diffusion board
CN101030555A Pixel structure and its production
CN101030560A Production of thin-film transistor base plate
CN101022093A Method for producing picture element structure