Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7133196 | Erbium doped fiber amplifier for reducing transient phenomena of OSNR and BER in dynamic WDM system and amplifying method thereof | Heuk Park, Kwang Joon Kim | 2006-11-07 |
| 7038841 | Fiber amplifier and control method thereof | Sun Hyok Chang, Hee Sang CHUNG, Jin Soo Han, Seung-Kwan Kim, Moo Jung Chu | 2006-05-02 |
| 6992816 | Apparatus and method for gain-spectrum-tilt compensation in long-wavelength band dispersion-compensating hybrid fiber amplifier | Hee Sang CHUNG, Sun Hyok Chang, Hyun Jae Lee, Moo Jung Chu, Han Hyub Lee +2 more | 2006-01-31 |
| 6972108 | Device for metallizing uranium oxide and recovering uranium | Ik Soo Kim, Chung Seok Seo, Sun-Seok Hong, Dae-Seung Kang, Seong Won Park | 2005-12-06 |