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LIU ZHONGWEN

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    186,072
About

LIU ZHONGWEN has a total of 11 patent applications. Its first patent ever was published in 1996. It filed its patents most often in China and United States. Its main competitors in its focus markets environmental technology, telecommunications and computer technology are XU LIN, LIANG JIE and ZHANG GUANGSHENG.

Patent filings in countries

World map showing LIU ZHONGWENs patent filings in countries
# Country Total Patents
#1 China 10
#2 United States 1

Patent filings per year

Chart showing LIU ZHONGWENs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Zhongwen 10
#2 Wu Haogang 2
#3 Yang Guang 1
#4 Liu Yaou 1
#5 The Inventor Has Waived The Right To Be Cited 1
#6 Zhang Zejian 1

Latest patents

Publication Filing date Title
CN109700870A A kind of external drug for treating hemorrhoid
CN106177041A A kind of Chinese medicine of improving acuity of vision and removing nebula and preparation method thereof
CN105809611A Art creation method for increasing work creation participation degree of readers
CN105058513A Full-automatic woodworking numerical control engraving and milling machine
CN104983804A External pure traditional Chinese medicine hot-compress medicament for treating gynecological diseases and preparation method thereof
CN104759962A Novel numerically controlled special-shaped glass edge grinding machine
CN1252360A Pyrography on rice paper
CN1255284A Chemical for preventing and treating plant blight
CN1201850A Pre-immersion coated waste paper destructor
CN1182816A Machine for cutting paper into pieces capable of separating waste paper and coated film