Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6487880 | Optical fiber preform manufacturing apparatus | Sung-Koog Oh, Jin-Seong Yang, Mun-Hyun Do | 2002-12-03 |
| 6408653 | Apparatus and method for manufacturing optical fiber preform by MCVD | Sung-Koog Oh, Mun-Hyun Do, Jin-Seong Yang | 2002-06-25 |