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HAN LIJUAN

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    138,353
  • Filing trend
    ⇩ 77.0%
About

HAN LIJUAN has a total of 14 patent applications. It decreased the IP activity by 77.0%. Its first patent ever was published in 1998. It filed its patents most often in China. Its main competitors in its focus markets macromolecular chemistry and polymers, pharmaceuticals and audio-visual technology are XINHAI WEARABLE RUBBER CO LTD, WANG DEXIU and HUANG XIAOMING.

Patent filings in countries

World map showing HAN LIJUANs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing HAN LIJUANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Han Lijuan 14
#2 Zhai Lijie 1
#3 Zhai Haojie 1
#4 Wang Jiajie 1
#5 Zhai Haohan 1

Latest patents

Publication Filing date Title
CN112223986A Integrated generator and vehicle-mounted air purifier
CN108554003A A kind of filter device of beer
CN108485853A A kind of beer fermenting device with efficiently anti-precipitation function
CN107880366A The guard plate that a kind of modified plastics is done
CN108003501A A kind of cable insulation material of wearability phenol-formaldehyde resin modified
CN107498629A A kind of fixing device of cloth cutting machine cutter
CN107369392A A kind of two-sided billboard of convenient use
CN107562219A A kind of intelligent sound keyboard suitable for personal use
CN109418376A The production method of baby teeth grinding biscuit
CN109422863A Polyurethane dish washing sponge and preparation method thereof
CN109419951A The Chinese materia medica preparation and preparation method thereof for treating climacteric syndrome
CN109419668A Salubrious mouthwash
CN104417140A Threaded pen point
CN1227922A Double-monitoring current comparison type apparatus for avoiding fraudulent use of electricity