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CHANG SECURITY CO LTD

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    82,832
  • Filing trend
    ⇩ 16.0%
About

CHANG SECURITY CO LTD has a total of 20 patent applications. It decreased the IP activity by 16.0%. Its first patent ever was published in 2015. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets civil engineering, control and machine tools are FLODELL HANS OERJAN FREDRIK, DEMBY DEV CO LTD and REUSCHENBACH J.

Patent filings in countries

World map showing CHANG SECURITY CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 20

Patent filings per year

Chart showing CHANG SECURITY CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Kim Sun Yee 19
#2 Sun Yee Kim 1

Latest patents

Publication Filing date Title
KR20200012012A Screen window for protection against insect and installation method of the same
KR102107789B1 Enhanced Security Window
KR20190139065A the improved window frame structure
KR20190128344A mothproof and dustproof device of sliding door
KR20190128343A Hinge structure of casement type mosquito net
KR20190120601A Screen window for protection against insect and installation method of the same
KR20180085373A Security metal mesh
KR101849307B1 alarm device an door rock structure
KR101849097B1 Safety crescent for sliding window
KR101876530B1 Screen window for protection against insect
KR101785102B1 the safety insect net and the safety project windows using the same
KR101816167B1 Door frame for anti-insect
KR20180085330A Security metal mesh
KR20180060145A Bracket latching groove structure for to be fixed latch of door lock
KR20180026192A Double sliding door lock
KR101701439B1 Installation structure for door locks of windows system
KR20170034511A Screen window for protection against insect and crime
KR20170005707A Screen window frame which is useful to install screen
KR20170004184A Screen window for protection against insect and crime
KR101561266B1 Screen window for protection against insect and crime