Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10617779 | Vacuum exhaust system of sterilizer | Heung Sik MIN, Young Keun Ahn, Sung Jin Yang | 2020-04-14 |
| 10448663 | Coffee roaster | Heung Sik MIN, Young Keun Ahn, Sung Jin Yang | 2019-10-22 |
| 10232073 | Vacuum exhaust system of sterilizer | Heung Sik MIN, Young Keun Ahn, Sung Jin Yang | 2019-03-19 |