Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10178744 | Street light management method and apparatus | Jae-Woo Choi, Young Jun Kim | 2019-01-08 |
| 9990847 | Traffic accident occurrence notification system using LED display lamps | Duk-Yong Kim, Yoon-Bae Lee, Tai-Woo Lee, Jong Hun Lee, Min Soo Kim +1 more | 2018-06-05 |
| 8619677 | Base station antenna in a mobile communication system | Duk-Yong Kim, In Ho Kim, Kang Hyun Lee, Oh Seog CHOI, Jung-Pil Lee +2 more | 2013-12-31 |