Learn more

HENAN HUANYU GROUP CO LTD

Overview
  • Total Patents
    14
About

HENAN HUANYU GROUP CO LTD has a total of 14 patent applications. Its first patent ever was published in 2003. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets environmental technology, electrical machinery and energy and materials and metallurgy are SHANGHAI SINOPOLY JIAHUA BATTERY TECHNOLOGY CO LTD, SHANGHAI LIXIN ENERGY TECH CO LTD and JIANGSU HUAFU POWER STORAGE NEW TECHNOLOGY DEV CO LTD.

Patent filings in countries

World map showing HENAN HUANYU GROUP CO LTDs patent filings in countries

Patent filings per year

Chart showing HENAN HUANYU GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Linzhi Zhao 7
#2 Wenman Li 6
#3 Li Rongfu 5
#4 Yongchuang Li 4
#5 Yunfeng Hu 4
#6 Zhao Peizheng 3
#7 Rongfu Li 3
#8 Li Wenman 3
#9 Zhao Linzhi 3
#10 Li Chunsheng 3

Latest patents

Publication Filing date Title
CN102464309A Novel method for preparing lithium iron phosphate complex salt positive electrode materials from scrap iron, phosphoric acid and lithium hydroxide
CN102447099A New method for preparing lithium ferrous phosphate double-salt anode material by using iron chippings, phosphoric acid and lithium hydroxide
WO2012045211A1 Production method of lithium-ferrous phosphate double-salt positive-electrode material and positive-electrode material obtained
CN101471431A Hydrophilic processing method for zinc nickle alkaline accumulator diaphragm
CN101436668A Dynamic cylinder sealing zinc nickle alkaline accumulator afflux structure
CN101335344A Modified natural graphite lithium ionic cell cathode material, manufacturing method thereof and application
CN1903708A Wet method of preparing lithium ferrous phosphate and its prepared lithium ferrous phosphate
CN1903707A Semiwet method of preparing lithium ferrous phosphate and its prepared lithium ferrous phosphate
CN1734825A Preparation method for high rate phosphate lithium ion battery and battery prepared thereby
CN1828993A Method for reducing power type columnar sealed zinc-nickel alkaline accumulator internal pressure
CN1828983A Method for preparing power type columnar sealed zinc-nickel alkaline accumulator zinc negative pole
CN1632968A Polymer membrane for polymer lithium ion battery and method for making same
WO2005062400A1 Assembled battery with cooling device