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I SAN CO LTD

Overview
  • Total Patents
    39
  • GoodIP Patent Rank
    101,455
  • Filing trend
    ⇧ 50.0%
About

I SAN CO LTD has a total of 39 patent applications. It increased the IP activity by 50.0%. Its first patent ever was published in 2007. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets civil engineering, environmental technology and basic materials chemistry are KUK DONG ENGINEERING CO, DAE HEUNG ENG and SHANGHAI INVESTIG DESIGN & RES INST CO LTD.

Patent filings in countries

World map showing I SAN CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 39

Patent filings per year

Chart showing I SAN CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lee Hyun Sang 6
#2 Chang Suk Yoon 6
#3 Han Kwang Doo 5
#4 Kwon Chang In 3
#5 Lee Hyeon Sang 3
#6 Lee Sang Don 2
#7 Choi Don Geun 2
#8 Chung Won Ki 2
#9 Lee Youn Ho 2
#10 Nam Gu Hyeon 2

Latest patents

Publication Filing date Title
KR102234505B1 Continuous Rotation Scum Skimmer Apparatus for Sewage Disposal Plant
KR102227445B1 Aeration Apparatus of Sewage Disposal Plant for Preventing Counterflow
KR102227446B1 Sewage Treatment Apparatus Using Continuous Inflow SBR Method
KR102158156B1 Road marking device discolored according to temperature and humidity and its installation method
KR102133570B1 Scattering and pollution prevention device of sewage·wastewater sludge
KR102077422B1 Single wale which can correct construction errors of perforation angle and perforation hole position
KR20200107400A The Wale Composed Of Bolts For Filling Gap Between Soldier Pile and Wale
KR101938598B1 Pedestal and Strut Installation Structure For Earth Anchor Construction
KR20200022794A Circular manhole form for height and angle adjusting of pipe union part and watertight joint structure of manhole and teleoperated pipe
KR101952669B1 Temporary facility circular retaining wall method using arched steel plate and guide structure
KR101869020B1 A device minimizing the harmful effect of debris flow occur on the area of mountainous valley
KR20190051586A Paint material for surface sign of pavement
KR20180032045A rainwater and wastewater automatic separation device for rainwater and wastewater nonseparable house
KR20170139415A Seaside Airport Construction Method Using Module
KR101729045B1 Agitator shaft falling prevention device of water disposal plant
KR20160080891A Intercepting chamber manhole easy opening and closing device
KR20160023245A Eco sound barrior tunnel having creeper roof and construction method of the same
KR20150055492A Multifunctional manhole safety apparatus for safe enter and pedestrian fall protection
KR20140088684A Pile structure for preventing a disaster
KR20140050324A A debris barrier