Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5914952 | Tributary unit signal cross-connection apparatus | Doo-Seop Eom, Sung Hyuk Choi, Je Soo Ko, Jong Hyun Lee | 1999-06-22 |
| 5696788 | Circuit for searching fault location in a device having a plurality of application specific integrated circuits | Sung Hyuk Choi, Doo-Seop Eom, Je Soo Ko, Jong Hyun Lee | 1997-12-09 |