Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6795457 | Multiple wavelength surface-emitting laser device and method for its manufacture | Young Jin SONG, Seung-ho Nam, Byoung-lyong Choi | 2004-09-21 |
| 6697403 | Light-emitting device and light-emitting apparatus using the same | Eun Kyung Lee, Byoung-lyong Choi | 2004-02-24 |