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HWANG CHANG HUN

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    200,350
  • Filing trend
    ⇧ 100.0%
About

HWANG CHANG HUN has a total of 22 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2004. It filed its patents most often in Republic of Korea and United States. Its main competitors in its focus markets semiconductors, surface technology and coating and environmental technology are HEATHFIELD RICHARD, CANON TOKKI CORP and GENITECH INC.

Patent filings in countries

World map showing HWANG CHANG HUNs patent filings in countries
# Country Total Patents
#1 Republic of Korea 21
#2 United States 1

Patent filings per year

Chart showing HWANG CHANG HUNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hwang Chang Hun 13
#2 Kim Sung Su 9
#3 Kim Tae Wan 9
#4 Lee Tae Hee 3
#5 Kim Sung Soo 2
#6 Kim Jin Jung 2
#7 Yoo Sin Jae 1
#8 Yu Sin Jae 1
#9 Sung Su Kim 1
#10 Kim Yong Ki 1

Latest patents

Publication Filing date Title
KR20180111707A Co-evaporation-deposition methods of plane source evaporation for high definition OLED devices
KR20180080139A Framed large size plane type evaporation source apparatus
KR20180009327A Circular plane type evaporation source for micro OLED production, and Evaporation device having it
KR20170059333A Plane evaporation source and plane source evaporator deposition equipments for OLED device production
KR20130100949A Large size organic film sputter deposition apparatus
KR20130059138A Thermal co-evaporator of large area cigs thin film and 3-stage processes
US2011027462A1 Fast deposition system and method for mass production of large-area thin-film cigs solar cells
KR20080022682A Large size organic film deposition apparatus and sputter deposition apparatus
KR100767026B1 Belt type plane evaporation source for oled deposition
KR20070090533A Methods of substrate loading and unloading, substrate encapsulation and metal mask switching for large-sized oled manufacturing
KR20070082721A Vertical deposition technique using belt type plane source for oled manufacturing
KR20070082699A Array method of linear type crucible with multi nozzles for large-size oled deposition
KR20070082725A Sputtering deposition apparatus and mask frame alignment for large size oled manufacturing
KR20070082715A Roller system for substrate moving in oled manufacturing
KR20070056190A In-line equipment using metal-plate belt source for oled manufacturing
KR20070038640A Thermal induced sublimation technology with downward evaporation for large-sized oled manufacturing
KR20060088984A Cell with linear crucible and selective nozzle for oled deposition process
KR20060081943A Linear type multi-point crucible assembly for large-size oled deposition process
KR20060060074A Ring-type source for oled vapor deposition and device for fixing a heat wire in ring-type source
KR20060035308A Continuous supply assembly of thermal evaporation source for oled deposition process