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PARK & OPC CO LTD

Overview
  • Total Patents
    29
About

PARK & OPC CO LTD has a total of 29 patent applications. Its first patent ever was published in 2003. 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, mechanical elements and basic materials chemistry are CHADANI KAZUO, NINESTAR CORP and GEN PLASTIC IND CO LTD.

Patent filings per year

Chart showing PARK & OPC CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yu Jae Goang 9
#2 Jo Ho-Geun 6
#3 Yu Jae-Goang 6
#4 Choi Jeong Hwan 5
#5 Lee Choon Bok 4
#6 Jo Ho Geun 4
#7 Cho Myung-Lae 4
#8 Do Sang Il 4
#9 Kwon Jin Hwan 4
#10 Shin Dong Moon 3

Latest patents

Publication Filing date Title
KR20130040761A Photoconductive drum for electrophotographic image formation and process cartridge comprising said photoconductive drum
KR20130040760A Photoconductive drum for electrophotographic image formation and process cartridge comprising said photoconductive drum
KR20130094528A Binder composition for coating solution of charge-transport layer of electrophotograph photoconductor unit, coating solution of charge-transport layer including the same, and electrophotograph photoconductor unit including the same
KR20120136055A Coating tank for a drum
KR20120111097A Electrostatic image developing toner by mechanical mixing
KR20100133353A Electrostatic image developing toner
KR20110016127A Electrostatic image developing toner
KR20090099343A Electrostatic image developing toner
KR100856711B1 Coating fluid composition to form charge generation layer of electrophotography photo conductor
KR20070104008A Coating composition for forming charge transporting layer and organic photoconductor using it thereof
KR20070099715A Photosensitive drum for printer cartridge and method for mounting the same
KR20070081185A Coating composition for forming electrophotographic photoconductor of single layer
KR20070069794A Microchip for repairing cartridge and method for repairing cartridge
KR20070011969A Coating composition for forming charge generation layer of electrophotographic photoconductor
US6978105B2 Drum assembly having helical gear and spur gear spaced therebetween for use in printer