Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10441494 | Route guidance method and apparatus for visually impaired using visible light communication inside subway station | Byungoh KIM, Dongsik Kim | 2019-10-15 |
| 10405389 | Flickerless LED driver device | Byungoh KIM, Dongsik Kim, Hyuncheol Shim | 2019-09-03 |
| 10373487 | Method and apparatus for controlling lighting device, using visible light communication | Byungoh KIM, Dongsik Kim, Hyun-cheol Shim, Sang Ho Yoon | 2019-08-06 |
| 10277318 | Apparatus and method for registering visible light communication device and combining visible light communication signal and wireless communication signal | Byungoh KIM, Dongsik Kim, Sang Ho Yoon, Seung-wan ROH | 2019-04-30 |