Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11662229 | Optical fiber BOCDA sensor using phase code modulation of pump light and probe light which have time difference | Il Bum Kwon, Dae-Cheol Seo, Chi-Yeop Kim | 2023-05-30 |
| 7365903 | Apparatus and method for all-optical control of gain and gain flattening on an optical amplifier | Sang Soo Lee, Chang Bong Kim, Je Soo Ko | 2008-04-29 |
| 6529317 | L-band erbium-doped fiber amplifier pumped by 1530 nm-band pump | Moo Jung Chu, Seung-Kwan Kim, Jyung Chan Lee, Hyo-Hoon Park | 2003-03-04 |
| 6004703 | Amplitude mask and apparatus for manufacturing long period grating filter using the same | Joo-Nyung Jang, Kyung-Ho Kwack | 1999-12-21 |