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LI JINGWEN

Overview
  • Total Patents
    39
  • GoodIP Patent Rank
    57,864
  • Filing trend
    ⇩ 60.0%
About

LI JINGWEN has a total of 39 patent applications. It decreased the IP activity by 60.0%. Its first patent ever was published in 1990. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, measurement and pharmaceuticals are WANG JINKUI, LYU FENGRONG and WU YONGLONG.

Patent filings in countries

World map showing LI JINGWENs patent filings in countries
# Country Total Patents
#1 China 39

Patent filings per year

Chart showing LI JINGWENs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Jingwen 25
#2 Wen Zhiyong 8
#3 Wen Li 8
#4 Yan Yamu 5
#5 Li Xiaoqun 5
#6 Zhang Yajing 5
#7 Li Haoming 4
#8 Xu Guanghai 4
#9 Ma Xinguo 3
#10 Li Weijun 3

Latest patents

Publication Filing date Title
CN112192411A Steel structure polishing and derusting device utilizing thermal expansion effect
CN112024168A Paint spraying equipment for rust prevention of steel structure framework
CN111558882A Utilize air current feedback force to detect steel construction equipment
CN111266980A Steel structure equipment based on electrochemical corrosion principle
CN112033380A River channel barrier-free monitoring system
CN109826157A A kind of cut-pff wall convenient for construction
CN109338995A A kind of cut-pff wall hydro-expansive rubber plate
CN109291473A A kind of cut-pff wall hydro-expansive rubber plate and production method
CN107974443A A kind of acylated protein enzymatic compositions for being used to prepare spleen peptide
CN108248265A Bat printing embossment series of products and preparation method thereof
CN108069610A Rust hare's fur glaze and preparation method thereof
CN108069609A Reddish brown rust coloured glaze and preparation method thereof
CN107935389A White reaction glaze aerograph series of products glaze and preparation method thereof
CN108101367A Transmutation crystalline glaze and preparation method thereof
CN107333031A A kind of automatic edit methods of multi-channel video suitable for campus football match
CN107365079A Unglazed streamlined glaze and preparation method thereof
CN107382068A Mobile graphic technique glaze and preparation method thereof
CN107473591A Screen printing ink pottery and preparation method thereof
CN104873636A Hemorrhoid remover and method for preparing pills by utilizing hemorrhoid remover
CN104257857A Medicine for treating vitiligo