Learn more

NANJING IRON & STEEL CORP

Overview
  • Total Patents
    11
About

NANJING IRON & STEEL CORP has a total of 11 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are NIPPON SYST AKAD KK, DOWA TECHNOLOGY KK and ZHU ZUOYUAN.

Patent filings in countries

World map showing NANJING IRON & STEEL CORPs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing NANJING IRON & STEEL CORPs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Dang Jun 3
#2 Puheng Shen 3
#3 Huaibing Guo 2
#4 Zhenggui Ma 2
#5 Daoyuan Wang 2
#6 Dejiong Wang 2
#7 Yongkuan Yao 2
#8 Shilin Wang 2
#9 Da Teng 2
#10 Yushu Wang 1

Latest patents

Publication Filing date Title
CN101722352A Submerged arc welding process for low-temperature high-toughness niobium micro-alloy steel
CN101716721A Manufacturing process of spring steel wire rod
CN101717893A 55Si2MnVNbN spring steel and production process thereof
CN101717894A 40Si2MnCrNiMoVNbN spring steel and production process thereof
CN101722193A Roll breakage protecting control method for working roll of heavy and medium plate mill
CN101700526A Temperature control rolling process of single-rack steckel mill after final rolling
CN101700525A Rolling process of thick steel plate of single-rack steckel mill
CN101722194A Gapless rolling process for single-strand steckel mill
CN101701273A Method for repairing crown brick of large wall of combustion chamber of internal-combustion stove
CN101701714A Crude gas ignition method of coke oven diffusing tubes and device thereof
CN101643803A Back washing technology for filtration flushing cinder simultaneously tapped from double tapholes in blast furnace bottom