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SEJONG CHEMICAL CO LTD

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    217,121
  • Filing trend
    ⇩ 100.0%
About

SEJONG CHEMICAL CO LTD has a total of 16 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2002. It filed its patents most often in Republic of Korea and China. Its main competitors in its focus markets machines, mechanical elements and civil engineering are E HAWLE ARMATURENWERKE GMBH, SCOTT KENNETH LATIMER and DAE KYOUNG INDUSTRY CO LTD.

Patent filings in countries

World map showing SEJONG CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 15
#2 China 1

Patent filings per year

Chart showing SEJONG CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kwon Teak Hyun 5
#2 You Ohk Soo 5
#3 Kim Hak Gun 2
#4 Kim Hak Geon 2
#5 Park Hui Eok 1
#6 Kwon Taek Hyeon 1
#7 Yuk Geun Se 1

Latest patents

Publication Filing date Title
CN108947060A The method of liquor kalii iodide is regenerated from the waste liquid generated in light polarizing film manufacturing process
KR101481700B1 Resin pipe diameter corrugated steel pipe integrated
KR100932022B1 Inside diameter, outer diameter reinforcement duplex wall sewer and the manufacturing device
KR20100096700A Manufacture system of the dual wall sewer for inside diameter and outer diameter reinforcement
KR20100096701A Inside diameter, outer diameter reinforcement duplex wall sewer and the manufacturing method
KR100909887B1 Connection fixation sewer
KR100929939B1 Polyethylene manufacturing method and the device duplexwall drainpipe
KR100923132B1 Loose protection device of a pipe coupling
KR100934454B1 A drain pipe connection slot coupler
KR100892135B1 A drain pipe connection slot coupler
KR20090115392A A connecting device of the corrugated pipe
KR20040105982A a
KR20040098712A a
KR100425914B1 a
KR100455856B1 a
KR20040059329A A Pipe Connector