Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5623140 | Nonbiased bistable optical device having a lower mirror having a plurality of reflective layers repeatedly formed on a substrate | Young-Wan Choi, O-Kyun Kwon | 1997-04-22 |
| 5592319 | All-optical signal processing apparatus of non-linear fiber loop mirror type | Hak Kyu Lee, Kyong Hon Kim, Seo-Yeon Park | 1997-01-07 |