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KOYJ CO LTD

Overview
  • Total Patents
    56
  • GoodIP Patent Rank
    57,514
  • Filing trend
    0.0%
About

KOYJ CO LTD has a total of 56 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2005. It filed its patents most often in Republic of Korea, China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets optics, machines and electrical machinery and energy are JIROO CORPORATE PLAN KK, LEE DAE HWAN and UBRIGHT OPTRONICS CORP.

Patent filings in countries

World map showing KOYJ CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 44
#2 China 6
#3 WIPO (World Intellectual Property Organization) 4
#4 Taiwan 1
#5 United States 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Jo Jai Hyoung 42
#2 Suh Dong Kyu 13
#3 Jo Jai-Hyoung 10
#4 Choi Yoon Ki 7
#5 Park Myeong Sun 6
#6 Ryu Ji Heon 6
#7 Baek Rok Yeon 5
#8 Baek Rok-Yeon 5
#9 Yoon Chil Sang 4
#10 Lee Byung Jo 4

Latest patents

Publication Filing date Title
KR102156274B1 Lens structure for led lighting apparatus and led lighting apparatus having the same
KR102176263B1 Light guide plate having engraved pattern and back light unit using the same
KR102156273B1 Polymer for organic hardmask and composition for organic hardmask
US2019361164A1 Light guide plate having engraved pattern and backlight unit having same and display device having same
KR20190054992A Low-voltage DC-DC Converter AND BATTERY CHARGER
KR20190134439A Light guide plate having engraved pattern and back light unit using the same
KR20200005823A Compound for organic light emitting diode, organic light emitting diode having the same, and display apparatus having organic light emitting diode
KR20190134389A Organic hard mask composition for anti-reflection and method of forming patterns using the composition
KR20190024104A Elctrolyte for secondary battery and lithium secondary battery or hybrid capacitor comprising thereof
KR20190024105A Electrolyte for secondary battery and lithium secondary battery or hybrid capacitor comprising thereof
KR101865856B1 Light guide panel and method of manufacturing the same
KR101626928B1 Apparatus for forming optical pattern on light guide plate and method using thereof
KR20170013729A Elctrolyte for secondary battery and lithium secondary battery or hybrid capacitor comprising thereof
KR20170013139A Elctrolyte for secondary battery and lithium secondary battery or hybrid capacitor comprising thereof
KR101608963B1 Light guide plate having complex pattern and method of manufacturing the same
KR101608962B1 Index matching film and method of manufacturing the same
KR101601063B1 Elctrolyte for secondary battery, and manufacturing the thereof and lithium secondary battery or hybrid capacitor comprising the thereof
KR101601066B1 Elctrolyte for secondary battery, and manufacturing the thereof and lithium secondary battery or hybrid capacitor comprising the thereof
KR20160063790A Corner led type light guide plate
KR101463415B1 Device for manufacturing the optical film