Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6587609 | Optical switching device and wavelength multiplexing device having planar waveguide-type structure | Myung Hyun Lee, Jung Jin Ju, Jung Do, Seung Koo Park | 2003-07-01 |