Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D519479 | Radio telephone | Ja Sung Koo, Yoon Ho Choi | 2006-04-25 |
| D506985 | Housing for communication device or similar article | Ja Sung Koo, Yoon Ho Choi | 2005-07-05 |
| D496018 | Communication device | Ja Sung Koo, Stefan B. Andren | 2004-09-14 |
| D492300 | Face plate for a radio telephone | Kio Lee, Yoon Ho Choi | 2004-06-29 |
| D489344 | Housing for communication devices or similar articles | Kio Lee, Yoon Ho Choi, Sang-Kyu Maeng | 2004-05-04 |