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HAN SANG KWAN

Overview
  • Total Patents
    781
  • GoodIP Patent Rank
    9,509
  • Filing trend
    ⇩ 11.0%
About

HAN SANG KWAN has a total of 781 patent applications. It decreased the IP activity by 11.0%. Its first patent ever was published in 1995. It filed its patents most often in Republic of Korea, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets environmental technology, civil engineering and chemical engineering are NAKOS ENGINEERING CORP, HAN MIN SUOP and KUREHA TECHNO ENJI KK.

Patent filings in countries

World map showing HAN SANG KWANs patent filings in countries

Patent filings per year

Chart showing HAN SANG KWANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Han Sang Kwan 771
#2 Han Min Suop 30
#3 Han Kang Hoa 12
#4 Han Ji Yun 11
#5 Han Sang-Kwan 9
#6 Hang Yong Jin 8
#7 Woo Mi Hwa 5
#8 Kim Taek Yung 5
#9 Kim Taek Min 5
#10 Ri Yung Ho 4

Latest patents

Publication Filing date Title
KR102219449B1 Using eco-friendly fish islands to save river ecosystems, increase fish stocks, and at the same time prevent flood damage by generating eco-friendly electricity by using eco-friendly movable beams that act to prevent the occurrence of green algae, and at the same time as a large rainwater reservoir. At the same time, a nature-friendly water purification eco-friendly method that cleans and purifies contaminated river water stored in rivers, rivers, lakes, dams and reservoirs.
KR102187983B1 By using a fish island that prevents the generation of green algae and restores the river ecosystem, it generates eco-friendly electricity and at the same time plays the function of an artificial fish farm that restores the natural ecosystem, increasing fish stocks and performing the role of a large rainwater reservoir. Naturally purify contaminated river water by using eco-friendly movable beams for preventing the occurrence of green algae that act to prevent flood damage, and to make contaminated river water stored in rivers, rivers and lakes, dams, and reservoirs clean. Nature-friendly construction method
KR20210029704A A nature-friendly disease treatment that treats or prevents diseases by inhaling or inhaling solid anionic material molecules and gaseous anionic material molecules that make the material molecules lighter than the specific gravity of air. An eco-friendly method for processing alcohol using a material molecule impactor applied here, an eco-friendly method for extracting material molecules that extract solid anionic material molecules and gaseous material molecules using a material molecule impactor applied here. An eco-friendly method for processing agricultural and marine products using a material molecule impactor
KR102209197B1 Clean by separating and extracting a small amount of salt or contaminated air or contaminated mineral substances or contaminated fluid substance molecules combined with food waste. Nature-friendly material molecule separation processing that purifies nature Eco-friendly method and water purifier applied to nature-friendly environment-friendly material molecule separation processing machine
KR102199583B1 Multifunctional sterilizer configured to sterilize various germs that inhabit the neck in the neck
KR20200022364A Washing machine with laundry residue removal
KR20190100898A An eco-friendly laundry method that cleans laundry detergents and light weight residues from laundry while saving electricity and tap water, and the eco-friendly washing machine applied to it.
KR20200098148A An eco-friendly method of producing eco-friendly power while purifying contaminated river water, electricity production means and river water purification means applied thereto
KR20190012237A A washing machine with improved function and a washing control method of the washing machine, which is configured to remove light laundry detergents and light laundry contaminants
KR20190010885A Eco-friendly environment-friendly power generation method that continuously produces electricity using gravity acceleration action generating device
KR20190017717A An environmentally friendly washing machine which functions to easily remove the detergents remaining in the laundry and the foreign substances contained in the laundry while saving the electric and tap water values and the laundry which is light in weight and the laundry residues which are light in weight, Way
KR20180131996A An environmentally friendly washing machine which functions to easily remove the detergents remaining in the laundry and the foreign substances contained in the laundry while saving the electric and tap water values and the laundry which is light in weight and the laundry residues which are light in weight, Way
KR20200041724A Eco-friendly water purification method that naturally purifies contaminated river water using multiple installed ceramic tints and microbial ceramic tints for water purification applied to it
KR102091573B1 It is polluted while producing electricity using an eco-friendly water purification device that combines clean water by collecting and purifying contaminated river water, pollutants, and soil water flowing from the surroundings of rivers, rivers, reservoirs, lakes, lagoons, or dams. Natural friendly eco-friendly method to purify water naturally
KR20200032874A An eco-friendly, eco-friendly method that creates a natural rain farm for large rainwater storage and saves natural ecosystem while purifying polluted river water.
KR20180100282A A technique to produce electricity continuously using a water drop power plant designed to nal acceleration actions
KR20200004479A Nature-friendly and eco-friendly construction method to construct polluted river water while saving natural ecosystem by creating artificial fish farm combined with large rainwater reservoir
KR20180088603A A technique to produce electricity continuously using a water drop power plant designed to nal acceleration actions
KR20190016432A Eco-friendly eco-friendly method that naturally cleanses contaminated river water while forming natural eco-friendly natural ecosystem
KR20180071216A A technique to produce electricity continuously using a water drop power plant designed to nal acceleration actions