Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6445472 | Optical fiber subscriber network | Jin Han Kim, Soong H. Lee | 2002-09-03 |
| 5638394 | Blue and green laser oscillation method and device adopting the same | Seong-Joon Kim, Alexander Belov | 1997-06-10 |