Inventor
KIM SANGOK
KR8 patents
Patents
8 patentsUS10373487B2Aug 6, 2019
Method and apparatus for controlling lighting device, using visible light communication
YUYANG DNU CO LTD7 citations78
US10277318B2Apr 30, 2019
Apparatus and method for registering visible light communication device and combining visible light communication signal and wireless communication signal
YUYANG DNU CO LTD4 citations70
US10131365B2Nov 20, 2018
Vehicle safety device using visible light communication
YUYANG DNU CO LTD4 citations70
US10405389B2Sep 3, 2019
Flickerless LED driver device
YUYANG DNU CO LTD2 citations65
US10659157B2May 19, 2020
Apparatus and method for registering visible light communication device and combining visible light communication signal and wireless communication signal
YUYANG DNU CO LTD0 citations49
US10608740B2Mar 31, 2020
Method and apparatus for visible light communication
YUYANG DNU CO LTD0 citations49
US10615872B2Apr 7, 2020
Method and apparatus for managing visible light communication devices
YUYANG DNU CO LTD0 citations38
US10441494B2Oct 15, 2019
Route guidance method and apparatus for visually impaired using visible light communication inside subway station
YUYANG DNU CO LTD0 citations38