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HAN CHANG HEON

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    174,560
  • Filing trend
    ⇩ 80.0%
About

HAN CHANG HEON has a total of 13 patent applications. It decreased the IP activity by 80.0%. Its first patent ever was published in 2009. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets civil engineering and environmental technology are PARK OK GYO, JIANGXI JIYE SCIENCE AND TECH CO LTD and CHENGDU NO 6 CONSTRUCTION ENGINEERING COMPANY.

Patent filings in countries

World map showing HAN CHANG HEONs patent filings in countries
# Country Total Patents
#1 Republic of Korea 13

Patent filings per year

Chart showing HAN CHANG HEONs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Han Chang Heon 13

Latest patents

Publication Filing date Title
KR20190104762A Connection structure of inclined piles
KR20180107682A Pile type groundwater collector
KR101818949B1 Construction method of pile type groundwater collector
KR101793099B1 Connection apparatus for slope faced embankment wall and slope faced embankment method using the same
KR101855933B1 Structure of retaining wall, and construction methods for the same
KR101821342B1 Connection structure of before and after pile
KR20170078249A Earth anchor bracket
KR101501454B1 Anchor structure and reinforcing-method using the same
KR101212888B1 Anchor structure and it's construction method
KR20110024439A A retaining wall and method for it
KR20090074124A Pretention nailing method by using wedge force
KR20090050042A Connection method h pile and wide sheet pile
KR20100112725A Construction method using by conection of the h pile and l,u-type sheet pile