Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10060608 | Detachable LED lighting device | Duk-Yong Kim | 2018-08-28 |
| 9990847 | Traffic accident occurrence notification system using LED display lamps | Duk-Yong Kim, Yoon-Bae Lee, Seok Sung, Jong Hun Lee, Min Soo Kim +1 more | 2018-06-05 |