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WU CHUNYAN

Overview
  • Total Patents
    26
  • GoodIP Patent Rank
    65,718
  • Filing trend
    ⇩ 82.0%
About

WU CHUNYAN has a total of 26 patent applications. It decreased the IP activity by 82.0%. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets pharmaceuticals, machine tools and measurement are ZHAO GUOLIN, ZHANG YUHAI and XU SHIJIE.

Patent filings in countries

World map showing WU CHUNYANs patent filings in countries
# Country Total Patents
#1 China 26

Patent filings per year

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

Focus industries

Top inventors

# Name Total Patents
#1 Wu Chunyan 25
#2 Zheda Luo 1
#3 Wang Di 1

Latest patents

Publication Filing date Title
CN109164417A A kind of signal device
CN109129325A A kind of railway equipment and its application method
CN109128790A A kind of railway equipment
CN109775990A A kind of high strength glass fiber
CN109775999A A kind of explosion-proof vacuum glass
CN109775997A A kind of preparation method of bionical self-cleaning glass
CN109775987A A kind of negative expansion devitrified glass and preparation method thereof
CN109748512A The production method of etch printing glass
CN109754902A Glass composition for conducting composition
CN109749565A A kind of wear-resisting type insulating glass unit
CN109749547A A kind of environment-friendly type glass baking varnish
CN109748521A A kind of automatically cleaning vacuum glass
CN109749542A A kind of aqueous, environmental protective glass lacquer
CN109748489A A kind of reversible thermochromic vacuum glass
CN109748522A A kind of thermal-insulating type insulating glass unit
CN109748517A A kind of coating process of insulating glass unit
CN109748508A A kind of color method of devitrified glass
CN109748507A Spot color glass ceramics cup and its preparation process
CN109748510A A kind of preparation method of hollow glass micropearl
CN109748495A A kind of ultra-thin tempered glass and preparation method thereof