Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D580389 | Mobile phone | Yoon-Young Cho, Chang-Soo Lee | 2008-11-11 |
| D573575 | Mobile phone | Yoon-Young Cho, Chang-Soo Lee | 2008-07-22 |
| D571340 | Portable telephone | Yoon-Young Cho, Chang-Soo Lee | 2008-06-17 |
| D560194 | Cellular phone | Yoon-Young Cho, Chang-Soo Lee | 2008-01-22 |