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CHOI CHANG KYUN

Overview
  • Total Patents
    26
  • GoodIP Patent Rank
    155,179
  • Filing trend
    ⇩ 33.0%
About

CHOI CHANG KYUN has a total of 26 patent applications. It decreased the IP activity by 33.0%. Its first patent ever was published in 1997. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets environmental technology, chemical engineering and electrical machinery and energy are KIM DEOK SUN, YSD KK and JIANGSU QITONG ENVIRONMENTAL PROTECTION TECH CO LTD.

Patent filings in countries

World map showing CHOI CHANG KYUNs patent filings in countries
# Country Total Patents
#1 Republic of Korea 26

Patent filings per year

Chart showing CHOI CHANG KYUNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Choi Chang Kyun 26
#2 Choi Jong Hoon 3
#3 Ahn Sun Min 2
#4 Lee Jong Yoon 1
#5 Ko Young Soo 1
#6 Kang Young Pal 1

Latest patents

Publication Filing date Title
KR102171577B1 Refrigerant compressor suction gas temperature control in according climate temperature of Refrigerant cycle Heat pump
KR20200133957A Kinetic Catalyst of Methanization Reactor
KR20200129543A Thermal Shock Tester
KR20190122291A Currency counter dust collector
KR20190122290A cooking method on the way to be delivery
KR20190068791A Electric curcuit for controlling temperature
KR20180121800A Vacuum Degreaser
KR101872939B1 Catalysis develop facility of Synthesis Natural Gas Reaction
KR20170101514A Method of manufacture Molybdenum Heating Element
KR20160138598A The Recuperator to be used saturated hydrocarbon nonazeotrope refrigerant of drinking water chiller
KR20160134088A Hydrocarbon Zeotropic Refrigerant Application of Refrigerator
KR20150054583A Hydro carbon refrigerant blend and appratus for calculating mass ratio of the same
KR20120081030A Steam generating apparatus
KR20120083965A Improvement heat sanitizable r. o membrane system be used refrigerant cycle
KR20120052432A Bath water's purification, sterilization, and heat recovery automatic system
KR20120049967A Bath water's purification, sterilization, and heat recovery
KR20100018297A Pressured vessel of incubate
KR20040034629A Anti-weathering system for flat glass
KR20050076992A Energy saving anti bacteria for drinking water purifing system.
KR20040034041A Reduction of power consumption and germ growth in cold and hot water purifiers