Learn more

ALPHA PLUS CO LTD

Overview
  • Total Patents
    62
  • GoodIP Patent Rank
    53,939
  • Filing trend
    ⇩ 58.0%
About

ALPHA PLUS CO LTD has a total of 62 patent applications. It decreased the IP activity by 58.0%. Its first patent ever was published in 1999. It filed its patents most often in Republic of Korea, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets surface technology and coating, semiconductors and electrical machinery and energy are INTEGRATED PROCESS SYSTEMS, SAKAI MASANORI and DIAROTECH.

Patent filings in countries

World map showing ALPHA PLUS CO LTDs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Hwang Do Weon 46
#2 Moon Il Kwon 18
#3 Cha Su Young 14
#4 Kim Eun Do 11
#5 Son Young Ho 8
#6 Jung Myoung Hyo 7
#7 Park Sung Dong 6
#8 Um Ki Seok 6
#9 Kim Chang Do 5
#10 Baek Min 4

Latest patents

Publication Filing date Title
KR20200038768A Oled display apparatus, deposition source and method for manufacturing thereof
KR20200001680A Vapor deposition source, method for manufacturing organic light emitting display apparatus using the same, and organic light emitting display apparatus
KR20190098536A Heater and insulator assembly for vacuum effusion cell
US2020283887A1 Effusion cell
WO2019054531A1 Vacuum evaporation source
WO2019054530A1 Vacuum evaporation source
KR101839879B1 Deposition apparatus
KR20170129036A Vacuum effusion cell
KR20170121022A Vacuum effusion cell
KR20170114210A Vacuum effusion cell
KR20170052415A Linear type vacuum effusion cell
KR20170052309A Crucible for evaporation of effusion cell
KR20170004582A Heater and insulator assembly for vacuum effusion cell
KR20170001217A Evaporation-rate measuring apparatus for vacuum effusion cell
KR101582670B1 Evaporation-rate monitoring module for vacuum effusion cell
KR20160080348A Heating apparatus of linear type vacuum effusion cell
KR20150102431A Vacuum effusion cell for evaporating material with low heat conduction and vacuum deposition apparatus including the same
KR20150070822A Crucible for evaporation, vacuum effusion cell and vacuum deposition apparatus including the same
KR20140131058A Reverse cooling type effusion cell apparatus having deep-dented bottom type crucible structure
KR20140075382A Vacuum effusion cell and vacuum deposition apparatus including the same