Learn more

HANGZHOU IRON & STEEL GROUP CO

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    227,486
About

HANGZHOU IRON & STEEL GROUP CO has a total of 14 patent applications. Its first patent ever was published in 1995. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are HONG RENZUO, INST KHIM DAL NEVOSTOCHNOGO OTDEL ROSSIJSKOJ AKADEMII NAUK STATUS G UCHREZHDENIJA INST KHIM DVO RAN and FEDERAL NOE G OBRAZOVATEL NOE UCHREZHDENIE VYSSHEGO PROFESSIONAL NOGO OBRAZOVANIJA G T UNI MO INST S.

Patent filings in countries

World map showing HANGZHOU IRON & STEEL GROUP COs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing HANGZHOU IRON & STEEL GROUP COs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Guanghui He 4
#2 Wenhao Hu 4
#3 Yaohui Jin 4
#4 Ye Jiansong 2
#5 Weimin Weng 2
#6 Yu Liquan 2
#7 Zhang Xin 2
#8 Xin Zhang 2
#9 Yu Guosong 2
#10 Xian Lin 2

Latest patents

Publication Filing date Title
CN104451458A Free-cutting steel and production method thereof and application of free-cutting steel in manufacturing keys
CN103255359A Bismuth-containing free-cutting steel
CN103007704A Method for degrading ammonium thiosulfate in desulfurated mother liquor by sintering flue-gas ammonia process
CN102251188A Steel belt for bimetal saw back and production technique thereof
CN101444885A Continuous casting process for HG20 martensitic steel
CN101428386A GCr15 ferrule cold-punching molding method
CN101358321A HG20 back material steel for high strength and toughness bimetallic strip saw blade
CN101397634A Atmospheric corrosion resistant 08CrNiCu low-alloy high intensity non-annealed cold-forging steel and production process
CN101397607A Chromic slag treatment process by blast furnace reduction method
CN101362193A Continuous casting pouring-basket leading dust collection method
CN1861831A 1100Mpa grade non modified high-strength steel and production process thereof
CN1782139A Method for electrochemically removing scale from stainless steel strip and wire
CN1781667A High pressure water shot blasting descaling method for wire bar and strip of cold stainless steel/carbon steel
CN1127888A Quick iron and steel component response technique for steel smelting platform