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SEHWA CO LTD

Overview
  • Total Patents
    55
  • GoodIP Patent Rank
    41,164
  • Filing trend
    ⇩ 73.0%
About

SEHWA CO LTD has a total of 55 patent applications. It decreased the IP activity by 73.0%. Its first patent ever was published in 2004. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets transport, mechanical elements and measurement are YOO KYUNG CONTROL CO LTD, AZD PRAHA SRO and SYKES W R INTERLOCKING SIGNAL.

Patent filings in countries

World map showing SEHWA CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 55

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Lee Jong Hyun 38
#2 Kim Bok Hyun 9
#3 Yoo Hyeong Seob 8
#4 Lee Kwang Hee 5
#5 Yoon Suk Han 4
#6 Cho Jung Yeon 4
#7 Yoo Hyoung Sub 3
#8 Lim Chul Hoo 3
#9 Gu Gwan Mo 2
#10 Lee Joung Hyun 2

Latest patents

Publication Filing date Title
KR102172771B1 LED signal with individual detection function and the method using it
KR102172769B1 Electromagnetic clutch together with electric motor of point machine using neodymium magnet
KR102166327B1 Clamp Locking Point Operating device
KR101971430B1 The isolation device for rod with molded and coated insulator and method for manufacturing the same
KR20200028735A Balise monitoring device and the method using it
KR20190130383A Devices and methods capable of custom diagnostics and individual alarms per Point Machine
KR101915500B1 Dragging Detector
KR101833705B1 Automatic shoes rack
KR20190048247A Motion block of point machine
KR20190038202A Replacement Time Detection System and Method Using Current Pattern of Line Converters
KR101860308B1 Electric control lelay
KR20190036682A Torque detection apparatus for point machine
KR20190036687A Brake for Point machine
KR101852777B1 Tongue rail approach detector
KR20190036676A Electromagnetic clutch together with electric motor of point machine
KR20190036684A Clamp Locking Point Operating System
KR101852776B1 Point Machine
KR101878449B1 System of measuring leakage current and insulation resistance
KR101894479B1 Method of measuring measuring leakage current and insulation resistance
KR101771052B1 Roof top slab insulation structure