Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D903781 | Cube type toy | — | 2020-12-01 |
| 10008901 | Step motor | Woo-Seok Yeo, Seong-Kwan Oh, Hyun-Ki Yang | 2018-06-26 |
| 8758077 | Fighter robot system | Seong-Hoon Lee | 2014-06-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D903781 | Cube type toy | — | 2020-12-01 |
| 10008901 | Step motor | Woo-Seok Yeo, Seong-Kwan Oh, Hyun-Ki Yang | 2018-06-26 |
| 8758077 | Fighter robot system | Seong-Hoon Lee | 2014-06-24 |