Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6687125 | Cooling system for integrated circuit chip | Jung Sik Park, Eon-Pyo Hong, Dong-Koo Shin, Jin Young Jung, Hyeong Kook Lee | 2004-02-03 |
| 6611989 | Vacuum cleaner having cooling features | Dong Yeop Oh, Sang Wook Hong | 2003-09-02 |