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CHO JOUNG YEOL

Overview
  • Total Patents
    27
  • GoodIP Patent Rank
    227,170
About

CHO JOUNG YEOL has a total of 27 patent applications. Its first patent ever was published in 2001. It filed its patents most often in Republic of Korea and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets electrical machinery and energy, audio-visual technology and optics are GRANDDISPLAY INC, LG PHILIPS DISPLAYS KOREA and HABANN ERICH.

Patent filings in countries

World map showing CHO JOUNG YEOLs patent filings in countries

Patent filings per year

Chart showing CHO JOUNG YEOLs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cho Joung Yeol 27

Latest patents

Publication Filing date Title
KR20140048903A External electrode fluorescent lamp having dual-pipe structure and sterilizing function
KR101177387B1 Method of manufacturing dual-type external electrode fluorescent lamp
KR20100123792A Method of manufacturing dual-type external electrode fluorescent lamp and jig case
KR20100123793A Method of manufacturing dual-type external electrode fluorescent lamp
KR20110124318A Method of manufacturing dual-type external electrode fluorescent lamp
KR20090061540A Method of manufacturing dual-type external electrode fluorescent lamp and jig case
KR20090061539A Method of manufacturing dual-type external electrode fluorescent lamp
KR20090052945A Method for manufacturing fluorescent lamp having dual glass pipe structure
KR20090024321A External electrode fluorescent lamp having dual-pipe structure and sterilizing function
KR20090020736A Method for widening electrode sections of external electrode fluorescent lamp
KR20090019395A Method of connecting exhaust pipe to dual lamp
KR20070051825A Dual-type external electrode fluorescent lamp
KR20070078459A Horizontal type burning gas in-out apparatus of eefl
WO2006011752A1 Illumination apparatus including a plurality of external electrode fluorescent lamps
WO2006006831A1 Method for manufacturing external electrode fluorescent lamps having various shapes and sizes and glass tube unit structure used for the method
KR20060128546A Apparatus and method of eefl manufacturing and eefl
KR20060127719A Coating caps, apparatus and methods which for double lamp fluorescent powder coating
KR20060125434A Metal socket, insulation and water-proof socket, cable guide and socket ass'y of double lamp fluorescent powder coating
KR20060124918A Dual-type external electrode fluorescent lamp and method of manufacturing the same
KR20060125039A Heating container housing and apparatus which for double lamp fluorescent powder coating