Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6587609 | Optical switching device and wavelength multiplexing device having planar waveguide-type structure | Myung Hyun Lee, Jung Do, Seung Koo Park, Sun Tak Park | 2003-07-01 |
| 6587632 | Thermo-optic tunable optical attenuator | Yoo-Hong Min, Myung Hyun Lee, Seung Koo Park, Jung Do | 2003-07-01 |