Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6597838 | Grating-assisted co-directional vertical coupler optical filter having well-suppressed sidelobe characteristics and method of fabricating the same | Chan-Yong Park, Seung Won Lee, Dug Bong Kim, Kwang Ryong Oh | 2003-07-22 |