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CHANG KWANG OK

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    90,495
  • Filing trend
    ⇧ 75.0%
About

CHANG KWANG OK has a total of 18 patent applications. It increased the IP activity by 75.0%. Its first patent ever was published in 2016. It filed its patents most often in Republic of Korea, China and Japan. Its main competitors in its focus markets environmental technology and packaging and shipping are JIANGSU TIANCHENG SPORTING GOODS CO LTD, HUANG XIAOFEI and MAGIKAN INC.

Patent filings in countries

World map showing CHANG KWANG OKs patent filings in countries
# Country Total Patents
#1 Republic of Korea 14
#2 China 2
#3 Japan 2

Patent filings per year

Chart showing CHANG KWANG OKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chang Kwang Ok 15
#2 Chang Kwang-Ok 3

Latest patents

Publication Filing date Title
KR20200053207A Wastebasket
KR20200053211A Wastebasket
KR20200053210A Wastebasket
KR20200008860A Door opening device for basket
KR20190089380A Apparatus for opening and closing of a garbage box
KR101933442B1 Cover opening device for wastebasket
KR101940060B1 Cover opening device for wastebasket
KR20180011616A Apparatus for opening and closing of a garbage box
KR101806034B1 Cover opening device for basket
KR20170142254A Ring type scroll making apparatus having auto pushing out means
KR20170142258A Ring type scroll making apparatus having resetting function
KR20170142257A Ring type scroll making apparatus having locking means
KR20170142255A Ring type scroll making apparatus having tension auto control means of fabric
KR20170142253A scroll making apparatus for vinyl garbagebag