Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6785449 | Multimode interference coupler, multi-layer optical planar waveguide using the same and method of manufacturing the same | Doo-Hee Cho, Joon Tae Ahn, Myung Hyun Lee, Kyong Hon Kim | 2004-08-31 |