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JI UN SANG

Overview
  • Total Patents
    11
About

JI UN SANG has a total of 11 patent applications. Its first patent ever was published in 1992. It filed its patents most often in Republic of Korea and United States. Its main competitors in its focus markets environmental technology, chemical engineering and basic materials chemistry are DAGUA INC, SUZHOU LEADVIC ENVIRONMENTAL PROTECTION TECH CO LTD and CHENGDU ZHIHE ENVIRONMENTAL PROTECTION SCIENCE & TECH CO LTD.

Patent filings in countries

World map showing JI UN SANGs patent filings in countries
# Country Total Patents
#1 Republic of Korea 10
#2 United States 1

Patent filings per year

Chart showing JI UN SANGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ji Un Sang 8
#2 Ji Un-Sang 3
#3 Lee Jae Sup 1
#4 Chi Se Young 1

Latest patents

Publication Filing date Title
KR101283646B1 Supply system of water for living for using clarification, purification and hydrogen water
US2013026033A1 Sealing-type water purifier and water-purifying method for producing electrolyzed hydrogen-containing pure cold and hot water and preventing contamination caused by microorganisms and foreign contaminants
KR20090100088A Water purification system and rinsing method of washing machine for prevention of static electricity and skin trouble
KR100796561B1 Deionized water system with membrabe separation technology for power plant
KR20030020052A Water treatment method for using membrane separation device
KR20000012643A System of treated for animal husbandry wastewater
KR20000000456A System of treated for industrial wastewater
KR20000000457A System of manufactured for ultra pure water
KR100187472B1 Apparatus for separation with circular membrane using rotation and vibration
KR100221225B1 Apparatus for brine conversion
KR950005420B1 Waste water clarifier