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DO CHANG-HO

Overview
  • Total Patents
    23
About

DO CHANG-HO has a total of 23 patent applications. Its first patent ever was published in 2006. It filed its patents most often in United States. Its main competitors in its focus markets computer technology, basic communication technologies and audio-visual technology are RADIANT TECH INC, CHUANG CHING-TE and STEPHENS JR MICHAEL C.

Patent filings in countries

World map showing DO CHANG-HOs patent filings in countries
# Country Total Patents
#1 United States 23

Patent filings per year

Chart showing DO CHANG-HOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Do Chang-Ho 23
#2 Kang Bok-Moon 2
#3 Jung Tae-Hyung 2
#4 Kim Yeon-Woo 2
#5 Kim Jae-Il 1
#6 Im Jae-Hyuk 1

Latest patents

Publication Filing date Title
US2014192601A1 Multi-port memory device with serial input/output interface
US2012275244A1 Semiconductor integrated circuit and semiconductor memory device having fuse circuit
US2012173937A1 Semiconductor memory device, test circuit, and test operation method thereof
US2012173942A1 Semiconductor memory device, test circuit, and test operation method thereof
US2012170382A1 Semiconductor memory device, test circuit, and test operation method thereof
US2007070795A1 Multi-port memory device with serial input/output interface