Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416457 | Heat exchanger | Kangtae SEO, Jeungku CHOI, Yonghwa CHOI | 2025-09-16 |
| 8420853 | Derivatives of cyclic compound and the use thereof | Yonghyun Choi, Jonghan Yhei | 2013-04-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416457 | Heat exchanger | Kangtae SEO, Jeungku CHOI, Yonghwa CHOI | 2025-09-16 |
| 8420853 | Derivatives of cyclic compound and the use thereof | Yonghyun Choi, Jonghan Yhei | 2013-04-16 |