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JU JIN GWAN

Overview
  • Total Patents
    21
  • GoodIP Patent Rank
    197,782
  • Filing trend
    ⇩ 100.0%
About

JU JIN GWAN has a total of 21 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2002. It filed its patents most often in Republic of Korea, China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets electrical machinery and energy, environmental technology and control are JOHNSON IND INC, HEADS CORP and AMWAY EUROP LTD.

Patent filings in countries

World map showing JU JIN GWANs patent filings in countries

Patent filings per year

Chart showing JU JIN GWANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ju Jin Gwan 20
#2 Choi Jin Yong 1

Latest patents

Publication Filing date Title
KR101742796B1 Power supply apparatus charging-discharging the secondary batteries by using dc high-voltage-current contactless switching device
KR20170135621A Power supply apparatus of mobile car having charge-discharge device of secondary batteries and the booster used to the same
KR101563949B1 Led solar cell lighting system having a power unit using secondary batteries
KR101539094B1 Circuit and method for interchanging the charge-discharge mode of power unit using secondary battery and the power management system using the same
KR20130083366A Controling apparatus and method for power unit using secondary battery
KR20120092537A Power supply of vending machine or stall
WO2011159019A2 Power supply device
KR20120034456A Secondary battery charge and power supply device
KR20110138320A Power supply of vending machine or stall
KR20100090569A Moving air conditioner
KR20100090568A Trans using hydrogen
KR20100090578A Automat equipped with device for generating alternating power
KR20050024022A Vending machine for ice
KR20040013897A Managing and advertising method of vending machine
KR20040009124A A pen roof for vending machines
KR20040008035A A vending machines with scrubber