Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6671045 | Apparatus and method for measuring optical signal-to-noise ratio | Sang Yung Shin, Kwang-Uk Chu | 2003-12-30 |
| 6597482 | Multiplexing/demultiplexing apparatus for wavelength division multiplexed system and wavelength division multiplexed passive optical subscriber networks using the same apparatus | Yun Chur Chung, Dae-Kwang Jung, Seung Kyun Shin | 2003-07-22 |
| 6559984 | Apparatus for monitoring optical path based on the identification of optical cross-connect input ports | Sang Yung Shin, Chu Kwang Uk | 2003-05-06 |
| 6538784 | Multicast-capable optical cross-connect with layered modularity | Yun Chur Chung, Hyun Deok Kim | 2003-03-25 |
| 6529656 | Bi-Directional add/drop multiplexer and bidirectional add/drop amplifier module for wavelength interleaved bidirectional networks | Hyun Deok Kim, Jeong Hun Shin, Tae Won Oh, Yun Hee Cho | 2003-03-04 |