Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8180221 | Wavelength-division multiplexed passive optical network for reducing degradation in noise characteristic of wavelength-locked fabry-perot laser diodes | Chang Hee Lee, Sil-Gu Mun | 2012-05-15 |
| 6728026 | Dynamically tunable optical amplifier and fiber optic light source | Chang Hee Lee, Byoung Y. Kim, Seok-Hyun Yun, Hyo Sang Kim, Jin-Serk Baik +1 more | 2004-04-27 |