Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10161597 | Lighting system and selective retro-reflection apparatus | Sang Ki Park, Sung Ki Nam | 2018-12-25 |
| 10110032 | Charge control circuit using battery voltage tracking, and a device having the same | Tae-Hwang Kong, Sung-Yong Lee, Dae-Yong Kim, Sang-Ho Kim | 2018-10-23 |