Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12345480 | Cooling device for heat treatment | Won Ki Chung, Jun Yong Park, Young Min Shin, Hyeon Seung Lee | 2025-07-01 |
| 10927427 | Vacuum heat treatment apparatus | Ji Young KANG, Dong-Ryeol Kim, Ki Woong Kim | 2021-02-23 |
| 10815543 | Quenching apparatus | Ji Young KANG, Dong-Ryeol Kim, Ki Woong Kim | 2020-10-27 |