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HENAN LEEF FERTILIZER CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    165,783
About

HENAN LEEF FERTILIZER CO LTD has a total of 14 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets basic materials chemistry, environmental technology and agriculture are LIUZHOU HUASHENG TECHNOLOGY CO LTD, HUANG QIXIA and HARBIN GUANGYUAN PLANTATION CO LTD.

Patent filings in countries

World map showing HENAN LEEF FERTILIZER CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing HENAN LEEF FERTILIZER CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Wenhui 13
#2 Wan Yazhen 12
#3 Gu Shouyu 12
#4 Mei Dandan 10
#5 Shouyu Gu 1
#6 Yue Hangyu 1
#7 Wenhui Zhang 1
#8 Yazhen Wan 1

Latest patents

Publication Filing date Title
CN109651018A A kind of synergy biological organic phosphate fertilizer and its production method
CN106397000A Production method of special controlled release seed dressing insecticide-fertilizer for wheat
CN106748016A A kind of production method of wheat special controlled release seed dressing composite fertilizer
CN105646097A Sustained-released nano humic acid chelated zinc fertilizer production method
CN105646038A Production method of nano humic acid chelation iron fertilizer
CN105777345A Production method of nanometer humic acid chelated zinc, manganese and iron composite micro fertilizer
CN105732129A Production method for nanometer humic acid chelated zinc fertilizer
CN104086318A Production method of biomass coated controlled-release fertilizer
CN103936524A Method for producing urea formaldehyde controlled-release compound fertilizer
CN103936523A Method for producing sustained-release potassic-magnesian fertilizer
CN102690143A Method for producing granular potassium chloride
CN102690144A Method for producing granular potassium sulfate
CN102690142A Method for producing sustained-release granular potassium chloride fertilizer
CN102701832A Production method of granular potassium sulfate slow-release fertilizer