Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6999653 | 4-port wavelength selective router | Chang Hee Lee, Hyun Deok Kim, Tae Won Oh, Shin Jeong Hun | 2006-02-14 |
| 6952308 | Multi-stage bidirectional optical amplifier | Chang Hee Lee, Hyun Deok Kim, Tae Won Oh, Shin Jeong Hun | 2005-10-04 |