Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D582870 | Portable phone | Hyun-Sook Kim, Yoon-Young Cho, Chang-Hwan Hwang | 2008-12-16 |
| D571758 | Portable phone | Hyun-Sook Kim, Yoon-Young Cho, Chang-Hwan Hwang | 2008-06-24 |
| D570316 | Mobile phone | Hyun-Sook Kim, Yoon-Young Cho, Chang-Hwan Hwang | 2008-06-03 |
| D569825 | Portable phone | Hyun-Sook Kim, Yoon-Young Cho, Chang-Hwan Hwang | 2008-05-27 |
| D546796 | Portable telephone | Hyun-Sook Kim, Yoon-Young Cho, Chang-Hwan Hwang | 2007-07-17 |
| D543530 | Mobile phone | Hyun-Sook Kim, Yoon-Young Cho, Chang-Hwan Hwang | 2007-05-29 |