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SEJONG ELECTRONICS CO LTD

Overview
  • Total Patents
    14
About

SEJONG ELECTRONICS CO LTD has a total of 14 patent applications. Its first patent ever was published in 1997. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets semiconductors, electrical machinery and energy and civil engineering are ANHUI COREACH ELECTRONIC TECH CO LTD, JIANGSU HONGLI PHOTOELECTRIC TECHNOLOGY CO LTD and XIAMEN XINDECO OPTOELECTRONICS CO LTD.

Patent filings in countries

World map showing SEJONG ELECTRONICS CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 14

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Lee Dong Sung 5
#2 Lee Hae Kwang 4
#3 Lee Hae-Kwang 4
#4 Lee Hae-Gwang 1

Latest patents

Publication Filing date Title
KR100929365B1 A integument for a road lamp
KR100880719B1 Fixing structure street lamp prop in concrete base
KR100861752B1 Lighting lamp control unit
KR20090030370A A street lamp
KR100823184B1 Scenery lighting lamp
KR100250331B1 Roller and rotation method of wafer in wafer cleaning
KR100253664B1 Operating system of polyimide dryer
KR100240560B1 Wafer transfer oven apparatus
KR100240559B1 Operating system of wafer transfer
KR100253666B1 Wafer oven apparatus
KR100253665B1 Vacuum oven apparatus
KR100253663B1 Driving circuit for wafer i/d detector
KR100235831B1 A dryer for semiconductor device fabrication unit and a method for circulation of its air
KR100234881B1 Heater structure for semiconductor dry process