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CHUNG IN

Overview
  • Total Patents
    16
About

CHUNG IN has a total of 16 patent applications. Its first patent ever was published in 2000. It filed its patents most often in Republic of Korea, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets environmental technology, machines and basic materials chemistry are OPENCEL LLC, NAUVEAU TECHNOLOGY INVEST LTD and ANDCO IND INC.

Patent filings in countries

World map showing CHUNG INs patent filings in countries

Patent filings per year

Chart showing CHUNG INs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chung In 16
#2 Sung Chi Don 4
#3 Kim Kyung Sub 2
#4 Woo Jeong Won 2
#5 Hwang Won Tae 1
#6 Mun Jeong Su 1
#7 Sung Chi-Don 1

Latest patents

Publication Filing date Title
WO2009102142A2 Nitrogen-rich waste water treatment method and method for producing struvite
KR20080019038A Nitrogen-rich wastewater treatment method and struvite formation method using bone
KR20080004441A Struvite crystalization method for removal of phosphorus and/or nitrogen
KR20070108322A Media packing method for minimizing media clogging in anaerobic filters and anaerobic hybrid reactors
KR20060125981A Water treatment method for water reuse in pulp and paper industries
KR20060119282A Method of reducing digested sewage sludge by recycling anaerobic microorganisms using up-flow anaerobic reactor
KR20050024141A Anaerobic wastewater treatment method for high strength wastewater with high nitrogen content
KR20050001573A composting method of organic waste using paper scrap as bulking agent
KR20040100134A Treatment System for Food Waste and Food Scrap
KR20030024455A Apparatus and method for eliminateing dissolved solids and suspended solids of wastewater by microbubble
KR20020078169A Anaerobic Waste-water Treatment System
KR20020044193A Anaerobic Reactor for Wastewater Treatment