Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6928243 | Optical performance monitoring apparatus for a WDM optical communication system | Ji Wook YOUN, Kwang Joon Kim, Jong Hyun Lee | 2005-08-09 |
| 6577435 | Optical wavelength converter based on cross-gain modulation with wide input power dynamic range | Joon Hak Bang, Jong Hyun Lee, Jung Hee Han, Sang-Rok Lee | 2003-06-10 |
| 6559989 | Optical packet header processing apparatus for optical packet switch | Kwang Joon Kim, Ji Wook YOUN, Hee Sang CHUNG, Jong Hyun Lee | 2003-05-06 |
| 6480309 | Optical gate based optical space division switch | Sang-Rok Lee, Wan Seok Seo, Byeong Yoon, Joon Hak Bang, Jong Hyun Lee | 2002-11-12 |