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WU QIHONG

Overview
  • Total Patents
    11
About

WU QIHONG has a total of 11 patent applications. Its first patent ever was published in 2008. It filed its patents most often in China and United States. Its main competitors in its focus markets optics are MITSUBISHI CONSTR CO LTD, ADVANCED FIBER PRODUCTS LLC and LIDHOLT LARS RUNE.

Patent filings in countries

World map showing WU QIHONGs patent filings in countries
# Country Total Patents
#1 China 8
#2 United States 3

Patent filings per year

Chart showing WU QIHONGs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics

Focus technologies

# Technology
#1 Optical systems

Top inventors

# Name Total Patents
#1 Wu Qihong 11
#2 Tai Shiaw-Wen 3
#3 Zhang Xu 2
#4 Liu Sheng 1
#5 Tombler Thomas 1
#6 Du Xiaohua 1
#7 Zhang Kelvin Xu 1

Latest patents

Publication Filing date Title
CN103808604A Method for testing corrosion inhibition performance of corrosion inhibitor in potassium chloride
CN103808601A Method for testing influence on corrosion inhibition performance of corrosion inhibitor caused by bicarbonate radical ion concentration
CN103808602A Process for testing influence on corrosion inhibition performance of corrosion inhibitor caused by magnesium ions
CN103808607A Corrosion inhibition property test method for corrosion inhibitor applied to sodium chloride well completion liquid system
CN103808583A Method for testing corrosion inhibition performance of corrosion inhibitor in calcium chloride completion fluid system
CN103808606A Method for testing influence on corrosion inhibition performance of corrosion inhibitor caused by sulfate radical ion concentration
CN103808605A Process for testing influence on corrosion inhibition performance of corrosion inhibitor caused by calcium ions
CN103808588A Process for testing influence on corrosion inhibition performance of corrosion inhibitor caused by mineralization degree
US2010072170A1 Short pitch metal gratings and methods for making the same
US2009231702A1 Optical films and methods of making the same