Learn more

SEMIROAD CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    195,395
  • Filing trend
    ⇩ 100.0%
About

SEMIROAD CO LTD has a total of 14 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2008. It filed its patents most often in Republic of Korea, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets measurement, audio-visual technology and control are HATANO HAJIME, ANALAQ LTD and COMPANHIA UNIAO FABRIL S A R L.

Patent filings in countries

World map showing SEMIROAD CO LTDs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Kim Hong Sung 12
#2 Kim Hong-Sung 2
#3 Yoon Jae Min 1
#4 Noh Jae Chul 1
#5 Chon In Ho 1
#6 Kim Young Shin 1
#7 Cheon In Ho 1
#8 Cheon In-Ho 1
#9 Im Sung Wook 1
#10 Yoon Jae-Min 1

Latest patents

Publication Filing date Title
KR102218313B1 Absorbance measuring apparatus
KR101723981B1 Apparatus for measuring and adjusting concentration of the slurry solution
KR101395019B1 Apparatus for measuring and adjusting concentration of the developer
KR101339933B1 Apparatus for measuring concentration of the developer
KR101322293B1 Ultrasonic senor apparatus for concentration measuring and concentration measuring ultrasonic system using the same
WO2011068344A2 Mems microphone and method for manufacturing same
KR20120051355A Micro-electro mechanical system microphone and manufacturing method thereof
KR20110061301A Micro-electro mechanical system microphone and manufacturing method thereof
KR20110060189A Piezoelectric speaker
KR20110013998A Microphone electret with structure preventing loss of electric charge and manufacturing method thereof
KR20090094578A Devices for etching glass and Methods for removing sludge of glass panel