Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490082 | Optical amplifier | Yong Gyu Choi | 2002-12-03 |
| 6459846 | Complex rare-earths doped optical waveguide | Yong Gyu Choi, Dong Sung Lim, Hak Kyu Lee | 2002-10-01 |
| 6426965 | Optical fiber cascaded Raman laser scheme | Do-Il Chang, Min Yong Jeon, Hak Kyu Lee | 2002-07-30 |
| 6413891 | Glass material suitable for a waveguide of an optical amplifier | Doo-Hee Cho, Yong Gyu Choi | 2002-07-02 |
| 6404788 | Cr and Yb codoped optical material systems for enhanced infrared fluorescence emission and their application schemes | Yong Gyu Choi, Hak Kyu Lee, Dong Sung Lim | 2002-06-11 |
| 6385216 | Optical fiber mode-locked laser | Do-Il Chang, Ho-Young Kim, Min Yong Jeon | 2002-05-07 |