Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12134881 | Excavation level detection device | — | 2024-11-05 |
| 9737168 | Hand drip coffee maker | Oh Hyun Kang | 2017-08-22 |
| 9293936 | Power relay assembly driving apparatus and driving method thereof | Ho Kyung Kim | 2016-03-22 |