Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8418504 | Method of fabricating optical fiber or optical device doped with reduced metal ion and/or rare earth ion | Won-Taek Han, Yune-Hyoun Kim | 2013-04-16 |
| 7369249 | Apparatus for measuring differential mode delay of multimode optical fiber | Dug-Young Kim | 2008-05-06 |