Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6662021 | Mobile communication system having multi-band antenna | Jun-Kyu Kang, Wan Choi, Jung-Ho Park, Dong Hwan Kim | 2003-12-09 |
| 6593899 | Helical antenna structure in a mobile terminal | Wan Choi, Dong Hwan Kim, Jun-Kyu Kang | 2003-07-15 |
| 6552516 | Regulator system for controlling output voltage and method of controlling the same | Byung-Hun Hwang, Ho-Soo Seo, Hyung Suk Kim | 2003-04-22 |