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LEE CHANG NAM

Overview
  • Total Patents
    147
  • GoodIP Patent Rank
    191,414
  • Filing trend
    ⇩ 100.0%
About

LEE CHANG NAM has a total of 147 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1994. It filed its patents most often in Republic of Korea, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets civil engineering, measurement and electrical machinery and energy are HILL ENGINEERING CO LTD, ROSSI DOMINIQUE and KEUNJEONG ARCHITECTS & ENGINEE.

Patent filings in countries

World map showing LEE CHANG NAMs patent filings in countries

Patent filings per year

Chart showing LEE CHANG NAMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lee Chang Nam 141
#2 Lee Chang-Nam 6
#3 Bang Jae Woong 2
#4 Kang Byoung Ku 1
#5 Park Chan Woo 1
#6 Kim Tae Gon 1
#7 Park Seul Ki 1
#8 Jee Hong Gil 1
#9 Kim Hyoung Seop 1

Latest patents

Publication Filing date Title
KR20180112606A Open and closing device for storage vessel
KR101526126B1 Footbridge with prefabricated module and method thereof
KR20150134751A Truss module for girder bridge
KR20150134455A A device for providing customized cosmetic information and the method thereof
KR101565248B1 H-beam module for girder bridge
KR101428543B1 On-water-structure for cable water ski and method for construction thereof
KR101390670B1 Steel pipe girder and module for girder bridge with the same
KR101427208B1 Prefabricated frame with modular concrete form
KR101381858B1 Prefabricated column and beam with sheet concrete form
KR20140111793A Steel wire support, Oil jack for tensioning steel wire, and Variable strut method of flexural member using oil jack
KR20130103420A Structure for clean room using composite beam
KR101370846B1 Semi-rigid joint member of panel zone
KR20140065145A Steel reinforced concrete with steel angles or t bars
KR101252422B1 Modular pontoon
KR20130100665A Hybrid beam with separated double swellings and assembling method thereof
KR20140011869A Permanent thin skin concrete form for the prc or psrc & the assembling method thereof
KR20130136847A End continuing method of wire truss decks
KR20130105091A Light-weight ribbed truss deck consist of ribbed deck and steel bar truss
KR101260982B1 Shoe for wooden bridge
KR20130103166A Step-shaped wire fixing block for site fabrication and the wire tensioning method using thereof