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LEDO CO LTD

Overview
  • Total Patents
    45
  • GoodIP Patent Rank
    110,481
  • Filing trend
    ⇩ 66.0%
About

LEDO CO LTD has a total of 45 patent applications. It decreased the IP activity by 66.0%. Its first patent ever was published in 2000. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets audio-visual technology, control and civil engineering are SIGNATURE SA, DAMBACH WERKE GMBH and T4 MEDIA LTD.

Patent filings in countries

World map showing LEDO CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 45

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Kim Chul Yong 40
#2 Lee Yong Ja 9
#3 Cho Jung Ho 6
#4 Jeong Jun Hwa 6
#5 Lee Suk Ki 5
#6 Kim Young Rok 5
#7 Jung Jun Hwa 5
#8 Koo Hyung Il 4
#9 Kim Dong Woon 4
#10 Kim Cheol Yong 3

Latest patents

Publication Filing date Title
KR20200045165A Pedestrian Safety Support System
KR20190046317A Walking safety system
KR20190044901A Active Speed Management System
KR20190041699A System and Method of Calculating VMS Optimization Luminance
KR20180077759A LED sign board for unattended camera booth
KR101846990B1 Road information display device
KR101840310B1 Speed management system
KR20180040913A LED sign board
KR20180040916A Case for LED sign board
KR20170084464A Rovingness Rotation Pass Signal Apparatus and Method Thereof
KR20170084465A Danger Avoidance System of Road Worker and Method Thereof
KR101670263B1 LED road sign board
KR101571097B1 Large LED sign board and Method of manufacturing the same
KR101524704B1 LED sign board and Method of Manufacturing the same
KR20160024474A Power saving type LED sign apparatus
KR101513938B1 Flip type electronic display capable of displaying various information
KR20140011272A Led electronic single pannel sign board with both directions
KR20110061741A Road surface state determination apparatus and road surface state determination method
KR20110061738A Asymmetric hemisphere diffusion lens for electric sign-board and diffusion lens array
KR20110061739A Pixel module for electric sign panel