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.
# | Country | Total Patents | |
---|---|---|---|
#1 | Republic of Korea | 13 | |
#2 | Japan | 2 |
# | Industry | |
---|---|---|
#1 | Medical technology | |
#2 | Consumer goods | |
#3 | Civil engineering | |
#4 | IT methods for management | |
#5 | Basic materials chemistry | |
#6 | Packaging and shipping |
# | Technology | |
---|---|---|
#1 | Dentistry | |
#2 | Brushes | |
#3 | General building constructions | |
#4 | Containers for goods storage | |
#5 | Construction of roads | |
#6 | Object sterilising | |
#7 | Data processing systems | |
#8 | Physical therapy devices | |
#9 | Scaffolding | |
#10 | Materials for miscellaneous applications |
# | 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 |
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 |