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LI CHANGCHUN

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    222,732
About

LI CHANGCHUN has a total of 20 patent applications. Its first patent ever was published in 1994. It filed its patents most often in China. Its main competitors in its focus markets machine tools and environmental technology are UNIV FRANCISCO DE PAULA SANTANDER, ZHANGJIAGANG DAWN CHEMICAL CO LTD and WU LIXIA.

Patent filings in countries

World map showing LI CHANGCHUNs patent filings in countries
# Country Total Patents
#1 China 20

Patent filings per year

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

Focus industries

Top inventors

# Name Total Patents
#1 Li Changchun 17
#2 Changchun Li 3
#3 Xiong Guogen 3
#4 Li Yun 1
#5 Wang Kangnian 1
#6 Liu Hongyun 1
#7 Li Changfu 1
#8 Liu Gang 1
#9 Huang Lisheng 1
#10 Jianqi Zhang 1

Latest patents

Publication Filing date Title
CN110549277A Workpiece concentric clamping device and clamping method
CN103596068A IPTV service health degree evaluation method based on MLR indexes
CN104587234A Nutrient-level-clearing powder
CN104587233A Preparation method for Chinese patent medicine powder for clearing heat and eliminating vexation
CN104587081A Chinese patent medicine for relaxing sinews and activating blood
CN104587007A Chinese patent medicine powder treating rheumatism
CN104587008A Preparation method for toxin-vanquishing powder
CN104587235A Chinese patent medicine powder for clearing heat and eliminating vexation
CN102805902A Multi-light-magnetism health-care physiotherapy instrument
CN102273398B Technology for producing pure green rootless bean sprout
CN102048099A Flavor bean sprouts
CN1903972A Production method of heat conductive silica gel
CN1311981A Minuature haircut-like wind harvester
CN1340352A Quick-acting powdered medicine for treating stomatopathy
CN1164513A Sewage treatment method for paper-making and textile, printing and dyeing industry
CN1137515A Method for preparation of nutural pearl clam internal organs full composition hydrolysate and docosahexenoic acid and eicosapentaenoic acid
CN1137401A Method for preparation of tortoise extract
CN1151843A Healthy silver carp food and its extraction
CN1098005A The medicine and the method for treatment acne