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LUAN QINGYANG

Overview
  • Total Patents
    339
  • GoodIP Patent Rank
    10,445
About

LUAN QINGYANG has a total of 339 patent applications. Its first patent ever was published in 2003. It filed its patents most often in China. Its main competitors in its focus markets basic materials chemistry, environmental technology and macromolecular chemistry and polymers are ANHUI DANFENG ELECTRONIC MATERIAL HOLDING CO LTD, YUEKAITE SCIENCE & TECH TONGLING CO LTD and WUHU XINGLONG WATERPROOF AND INSULATION MAT CO LTD.

Patent filings in countries

World map showing LUAN QINGYANGs patent filings in countries
# Country Total Patents
#1 China 339

Patent filings per year

Chart showing LUAN QINGYANGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Luan Qingyang 186
#2 Li Cui 30
#3 Wei Qiang 19
#4 Sujuan Pan 11
#5 Wang Yanmei 8
#6 Shuang Wang 7
#7 Wang Dan 6
#8 Shi Yue 6
#9 Wenxiu Sun 6
#10 Cong Liu 5

Latest patents

Publication Filing date Title
CN108070933A A kind of pure cotton fiber
CN108070290A A kind of correction agent
CN108070868A A kind of metal scale remover
CN108070477A A kind of environmental protection scale remover
CN108070292A A kind of fat-soluble ink
CN108070474A A kind of scale remover
CN108070476A A kind of kitchen and bath's scale remover
CN108069854A A kind of volatile acidic chemical solvent
CN108070917A A kind of inorfil
CN108069517A A kind of scale descaling agent
CN108070475A A kind of food scale remover
CN108071006A A kind of superconductor fibre
CN108070451A A kind of plants essential oil
CN108070870A A kind of active metal cleaning solution
CN108070121A A kind of specific rubber
CN108070457A A kind of low sour scale remover
CN108069516A A kind of detergent for water tank
CN108069829A A kind of volatile basic chemical solvent
CN108070871A A kind of inert metal cleaning solution
CN108070287A A kind of correction ink