Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6211979 | Optical switching device having recirculating structure and optical switching method therefor | Woo-shik Kang | 2001-04-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6211979 | Optical switching device having recirculating structure and optical switching method therefor | Woo-shik Kang | 2001-04-03 |