Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10659157 | Apparatus and method for registering visible light communication device and combining visible light communication signal and wireless communication signal | Sangok KIM, Dongsik Kim, Sang Ho Yoon, Seung-wan ROH | 2020-05-19 |
| 10615872 | Method and apparatus for managing visible light communication devices | Sangok KIM, Sang Ho Yoon, Seung-wan ROH, Seok Koh, Sang-Il Choi | 2020-04-07 |
| 10608740 | Method and apparatus for visible light communication | Sangok KIM, Sang Ho Yoon, Seung-wan ROH, Seok Koh, Sang-Il Choi | 2020-03-31 |
| 10441494 | Route guidance method and apparatus for visually impaired using visible light communication inside subway station | Sangok KIM, Dongsik Kim | 2019-10-15 |
| 10405389 | Flickerless LED driver device | Sangok KIM, Dongsik Kim, Hyuncheol Shim | 2019-09-03 |
| 10373487 | Method and apparatus for controlling lighting device, using visible light communication | Sangok 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 | Sangok KIM, Dongsik Kim, Sang Ho Yoon, Seung-wan ROH | 2019-04-30 |
| 10131365 | Vehicle safety device using visible light communication | Sangok KIM, Dongsik Kim, Sang Ho Yoon | 2018-11-20 |