Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817440 | Multi-channel headphones | — | 2004-11-16 |
| 6796723 | Submount for opto-electronic module and packaging method using the same | Jong-Won Lim, Hae Cheon Kim | 2004-09-28 |
| 6788797 | Headphone accessory | — | 2004-09-07 |
| 6733888 | Floor-covering material using phenol composite resin | Je-Suk Woo, Chang-guen Lee, Hyeong-Keor Yoo | 2004-05-11 |