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CHANG JI IL

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    238,148
About

CHANG JI IL has a total of 15 patent applications. Its first patent ever was published in 1997. It filed its patents most often in Republic of Korea and Japan. Its main competitors in its focus markets medical technology, consumer goods and civil engineering are SYNPART AG, HADARY JOSEPH and BEHREND HANS.

Patent filings in countries

World map showing CHANG JI ILs patent filings in countries
# Country Total Patents
#1 Republic of Korea 13
#2 Japan 2

Patent filings per year

Chart showing CHANG JI ILs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chang Ji Il 14
#2 An Keijun 1
#3 Chang Ji-Il 1
#4 Kwon Ik Bu 1
#5 Ken Ekifu 1
#6 Chang Yoon Ah 1
#7 Park Jae Ung 1
#8 Lee Jeong Gon 1
#9 Chang Sung Bae 1
#10 Kim Hye Kyung 1

Latest patents

Publication Filing date Title
KR101443808B1 Variable interdental toothbrushes
KR100828402B1 Fragrancy inter-dental brush
KR20080086052A Interdental brush package
KR20070074304A Interdental brush comprising detachable container
KR20050072237A In-line type tooth brush
KR20050071773A Dental floss and manufacture method thereof
JP2001170083A Dental floss holder
KR20020015177A Cyber fashion show system
KR20020009236A System of designing clothing by user
KR20010077263A Manufacturing method of dental floss using powder flavor and sugar alcohol
KR20010011588A Angle adjustable toothbrush
KR20010011587A Angle adjustable toothbrush
KR20000067172A Angle adjustable toothbrushes
KR100221995B1 An interdental brush