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EST

Overview
  • Total Patents
    21
  • GoodIP Patent Rank
    181,717
About

EST has a total of 21 patent applications. Its first patent ever was published in 1950. It filed its patents most often in Republic of Korea, France and United States. Its main competitors in its focus markets chemical engineering, medical technology and transport are CENTRAL MICHIGAN UNIVERSITY, SANEI KENSETSU KABUSHIKI KAISH and JANG HYUN TAE.

Patent filings in countries

World map showing ESTs patent filings in countries
# Country Total Patents
#1 Republic of Korea 17
#2 France 3
#3 United States 1

Patent filings per year

Chart showing ESTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lee Jae Kwang 13
#2 Lee Sang Bock 13
#3 Kim Jung Jae 10
#4 Kim Eun Kyum 6
#5 Bonmartini Giovanni 3
#6 Lee Sang Jin 1
#7 Park Eun Kyung 1
#8 Yoon Su Lim 1
#9 Deung Ki Yun 1
#10 Kim Jae Ho 1

Latest patents

Publication Filing date Title
KR101949943B1 Deodorization system for removing odor
KR102033767B1 Eyeglass detachable bone conduction earphone
KR20170127683A Regenerable adsorbent and method for producing same
KR101595335B1 Compound reactor for removing malodor gas
KR20160110833A CATALYST FOR REMOVING NITROGEN OXIDE(NOx) AND MANUFACTURING METHOD THEREOF
KR101574998B1 Electric dust collecting filter reducing quantity of ozone
KR20160030679A Air furification apparatus using hydroxyl radical
KR101374673B1 Air cleaner
KR101312414B1 A system and the method for cleaning harmful gas using corona discharge and catalyst
KR20130090243A Hybrid system for processing particle materials, volatile organic compounds, and bad smells concurrently
KR20130090247A Hybrid system using photo-catalysts
KR20130090256A Catalyst for removing malodor and volatile organic compounds and manufacturing method thereof
KR20130090261A Catalyst having photo-degradable activity and manufacturing method thereof
KR20130090240A Hybrid system using ozone catalysts
KR101140152B1 Manufacturing method of ultraviolet ozone catalyst for removal of odor of food waste and ultraviolet ozone catalyst for removal of odor of food waste manufactured by the same
KR20120038805A The fabrication method of nano-silica coated with the organic catalyst to removal of aldehyde gas
KR20100070972A Safety ventilation assembly, manufacturing method thereof and cell having it
US2928695A Rolling device for vehicles of any kind