CHANG JOUNG HAK has a total of 13 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2013. It filed its patents most often in Republic of Korea, China and EPO (European Patent Office). Its main competitors in its focus markets environmental technology, furniture and games and packaging and shipping are OTTO KOREA CO LTD, LINDE HILDING and TAYLOR EGBERT H & COMPANY LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | Republic of Korea | 9 | |
#2 | China | 1 | |
#3 | EPO (European Patent Office) | 1 | |
#4 | United States | 1 | |
#5 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Environmental technology | |
#2 | Furniture and games | |
#3 | Packaging and shipping | |
#4 | Civil engineering | |
#5 | Chemical engineering | |
#6 | Machines | |
#7 | Mechanical elements | |
#8 | Transport |
# | Technology | |
---|---|---|
#1 | Garbage disposal | |
#2 | Containers for goods storage | |
#3 | Domestic plumbing installations | |
#4 | Chairs and beds | |
#5 | Hand carts | |
#6 | Drying solid materials by removing liquid | |
#7 | Nails | |
#8 | Household appliances | |
#9 | Unspecified technologies |
# | Name | Total Patents |
---|---|---|
#1 | Chang Joung Hak | 13 |
Publication | Filing date | Title |
---|---|---|
KR20200125111A | Carrier with side coupling structure | |
KR20200109029A | Cup holder with tilting member and tray for sofa with the cup holder | |
KR20200109027A | Tray for sofa with rotatable install member | |
EP3689784A1 | Wastebasket with enhanced load-bearing capacity | |
KR20190036128A | Wastebasket with sanitary capacity | |
KR20190036127A | Wastebasket with load-bearing capacity | |
KR101784634B1 | Plastic bag cartridge with load-bearing capacity and wastebasket using the same | |
KR20170106729A | Plastic bag cartridge with opening fixed easily and expanded volumen and wastebasket using the same | |
KR20150119717A | Means for Touch Input and Dehydrating Device of Food Waste for Sink Having the Same | |
KR20140118429A | Dehydrating device for filtering pail of sink |