Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10683947 | Safety valve and gas cylinder having same | Se Kyung Won, Min-Cheol Kim, Min Gyu Kang | 2020-06-16 |
| D830533 | Blocking pin for preventing gas leak | Se Kyung Won, Min-Cheol Kim, Min Gyu Kang | 2018-10-09 |