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CHARMTRON CO LTD

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    94,412
  • Filing trend
    ⇩ 71.0%
About

CHARMTRON CO LTD has a total of 18 patent applications. It decreased the IP activity by 71.0%. Its first patent ever was published in 2014. It filed its patents most often in Republic of Korea, China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets surface technology and coating, materials and metallurgy and packaging and shipping are FUJIWARA HIROSHI, JIANGSU QUNYE ELECTRICAL CO LTD and GIAMPIERO GIUSTI.

Patent filings in countries

World map showing CHARMTRON CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 10
#2 China 3
#3 WIPO (World Intellectual Property Organization) 3
#4 United States 2

Patent filings per year

Chart showing CHARMTRON CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kim Yong Ki 14
#2 Kim Yong-Ki 4
#3 Kwak Yeon Sook 1
#4 Kwon Young Taek 1

Latest patents

Publication Filing date Title
US2019268975A1 Plate heater
KR101922898B1 Heat-generating head-phone and earplug
KR101921581B1 Heating card and heating card system using it
KR20180135277A Heating vacuum glass
KR20180120408A Method for manufacturing solution having graphene oxide with high stability and organic light emitting diode and organic photovoltaics comprising coating layer manufactured by using the same
KR20180010085A The Manufacturing device of graphene film
WO2017034138A1 Apparatus for manufacturing graphene film
KR20170090044A Graphene transfer method
KR20170052133A Cooling film for cooling roller
KR20170029911A The evaporation chamber of Manufacturing device for graphene film
KR20170025081A Manufacturing device for graphene film
KR20150128370A Manufacturing device for graphene film