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PO HANG IRON & STEEL

Overview
  • Total Patents
    4,483
About

PO HANG IRON & STEEL has a total of 4,483 patent applications. Its first patent ever was published in 1977. It filed its patents most often in Republic of Korea, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets materials and metallurgy, machine tools and thermal processes are SHANGHAI MEISHAN IRON & STEEL CO LTD, POSCO and DAYE SPECIAL STEEL CO LTD.

Patent filings per year

Chart showing PO HANG IRON & STEELs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kim Jae Sik 153
#2 Park Seok Dal 86
#3 Kim Hang Goo 56
#4 Lee Il Ock 55
#5 Kang Heung Won 41
#6 Woo Gyeong Hoe 39
#7 Kim Hang-Goo 36
#8 Joo Sang Hoon 35
#9 Shin Myoung Kyun 34
#10 Choi Nag-Joon 34

Latest patents

Publication Filing date Title
US6713593B2 Copolymer comprising alkylene carbonate and method of preparing same
ZA200107579B Method for decreasing elutriation loss of fine iron ore in fluidized bed type reducing operation.
WO02060610A1 Crown preventing backup roll assembly for rolling mills
AU1420001A Fluidized bed breakage prevention system for fluidized bed reduction reactor
WO0212595A1 Method of reducing a band mark of an electroplating steel sheet
CN1318149A Appts. and method for measuring molten metal level in electromagnetic continuous casting
CN1370189A Prepn. of aqueous urethane resin compsn.
KR20010114084A Deslagging device
KR20010114074A Sintered ore having low reduction degradation at low temperature
KR20010114077A Apparatus for guiding rolling steel in exit side
KR20020000063A Guiding apparatus of winding spiral coil ring for wire rod-coil
KR20020000065A Apparatus for drying sludge
KR20010114083A Detecting apparatus of partial abrasion for trolley bus bar
KR20010114085A Hopper equipment of reclaimer
KR20010114082A Apparatus for throwing flux into tundish
KR20020000070A A structure of rolls for preventing a strip slipping
KR20010114078A Apparatus for loading wire coil
KR20010113992A A method for manufacturing billets containing high silicon and having a small cross section
KR20010113139A Method for recovering Mo from the slag on the hot metal of the stainless steel
KR20010113064A A method for manufacturing grain oriented electric steel sheet