Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12384618 | Cylindrical material storing device and method thereof | Seung Young Kim, In Sup Um, Won-Yong Lee | 2025-08-12 |
| 11834267 | Cylindrical material storing device and method thereof | Seung Young Kim, In Sup Um, Won-Yong Lee | 2023-12-05 |