Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7288747 | Cooking apparatus | Dae-Sung Han, Han-Seong Kang, Yong-hyun Kwon, Chul Kim, Han-jun Sung +1 more | 2007-10-30 |
| 5824999 | Microwave leakage-preventing device for a microwave oven | Chul Kim, Yong-Woon Han, Han-jun Sung | 1998-10-20 |