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CHANG JONG BOK

Overview
  • Total Patents
    85
  • GoodIP Patent Rank
    62,701
  • Filing trend
    ⇩ 88.0%
About

CHANG JONG BOK has a total of 85 patent applications. It decreased the IP activity by 88.0%. Its first patent ever was published in 1997. It filed its patents most often in Republic of Korea, China and United States. Its main competitors in its focus markets civil engineering, control and consumer goods are SUN Q DOOR CONTROLS LTD, NONES SPA and DADA S P A.

Patent filings in countries

World map showing CHANG JONG BOKs patent filings in countries
# Country Total Patents
#1 Republic of Korea 82
#2 China 1
#3 United States 1
#4 WIPO (World Intellectual Property Organization) 1

Patent filings per year

Chart showing CHANG JONG BOKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chang Jong Bok 85
#2 Jang Doo Kwang 2
#3 Jeong Soon Ja 1

Latest patents

Publication Filing date Title
KR102212306B1 Fire shutter
KR20200135063A Hinge for Opening and Closing a Door
KR20200056067A Assembling Structure of Hinge for Opening and Closing a Door
KR20190081403A Damping Hinge for Opening and Closing a Door
KR101873772B1 Hinge for Opening and Closing a Door
KR20190022182A Hinge for Opening and Closing a Door
KR20190019585A Hinge for Opening and Closing a Door
KR20180046855A Hinge for Opening and Closing a Door
KR20180046856A Hinge for Opening and Closing a Door
KR20180046858A Hinge for Opening and Closing a Door
KR101874254B1 Hinge for Opening and Closing a Door
KR101874253B1 Hinge for Opening and Closing a Door
US2018363347A1 Hinge for opening/closing door
KR20180046646A Hinge for Opening and Closing a Door
KR20170137390A Hinge for Opening and Closing a Door
KR101701085B1 Emergency escape door of fireproof shutter
KR101738295B1 Temporary opening control device of emergency door forfireproof shutter
KR20170073176A Safety Apparatus for Fireproof Shutter
KR101613825B1 Hinge for Opening and Closing a Door
KR20170021080A Oil pressure hinge for opening and closing a door