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LIU YONGCHANG

Overview
  • Total Patents
    21
  • GoodIP Patent Rank
    182,855
  • Filing trend
    ⇧ 300.0%
About

LIU YONGCHANG has a total of 21 patent applications. It increased the IP activity by 300.0%. Its first patent ever was published in 1992. It filed its patents most often in China. Its main competitors in its focus markets transport, control and agriculture are ZHANG CHUANG, E SMARTS GLOBAL LICENSING LTD and HUZHOU WUXING JINNONG ECOLOGICAL AGRICULTURE DEV CO LTD.

Patent filings in countries

World map showing LIU YONGCHANGs patent filings in countries
# Country Total Patents
#1 China 21

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Liu Yongchang 21
#2 Liu Yonghong 4
#3 Wang Delin 3
#4 Zhang Yongmei 1
#5 Zhao Tiejun 1
#6 Ni Changpeng 1
#7 Liu Boxuan 1
#8 Liu Zhanchun 1
#9 Feng Zhixin 1

Latest patents

Publication Filing date Title
CN111955279A Production method of special strain for wood segments
CN109291984A A kind of steering wheel system for alleviating driving fatigue
CN109080734A A kind of windshield intelligent transport vehicle
CN108991924A A kind of Intelligent electric kettle
CN109156275A A kind of mobile spraying system of arviculture solid atomization
CN107559904A Double door electric oven for kitchen use with temperature display, anti-displacement
CN106613342A Multifunctional edible fungi three-dimensional intelligent planting system
CN103734568A Black fungus jam and processing method thereof
CN103733914A Special combined shed for stereo-cultivation of black fungus
CN103739383A Strain culture medium for edible fungi and preparation method of strain culture medium
CN101063086A Preparation method for special mother seed of edible mushroom liquid bacterial
CN1440636A Mother fungus strain specially for producing liquid edible fungus strain
CN1512446A Magnetic suspension digital sport electronic device
CN1249129A Method for cultivating champignon in protected field in northern region
CN1246273A Method for cultivating bisporous mushroom in north protected field
CN1153750A Energy-saving compounding process for Portland cement clinker
CN1157395A Device type wide-spectrum infrared liquid dynamic quick heating pipe
CN1097217A Earth-cultivated black fungus and its cultivating method by use of substitute material for plastic bag
CN1099218A Auricularia auricula strains and cultivation method thereof
CN1091325A Electromagnetic probe with automatic medicine injection