Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6459846 | Complex rare-earths doped optical waveguide | Yong Gyu Choi, Kyong Hon Kim, Hak Kyu Lee | 2002-10-01 |
| 6404788 | Cr and Yb codoped optical material systems for enhanced infrared fluorescence emission and their application schemes | Yong Gyu Choi, Kyong Hon Kim, Hak Kyu Lee | 2002-06-11 |