Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12308270 | Inter-floor transport apparatus and logistics transport system including the same | Eun Sang YOON, Hyi Jae Kang | 2025-05-20 |
| 11591167 | Tower lift | Jun Sang Ahn, Sang Min Lee, Eun Sang YOON | 2023-02-28 |
| 11189512 | Stocker | Bo Seung Hwang | 2021-11-30 |
| 10954714 | Fireproof shutter | Young Woo Kim, Tae Youl Youn, Wang Hyeon SON | 2021-03-23 |