Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7123788 | Apparatus for monitoring optical frequencies of WDM signals | Yeun Chol Jung, Cheon Joo Yoon, Keun Joo Park | 2006-10-17 |
| 7068949 | Multi-wavelength locking method and apparatus for wavelength division multiplexing (WDM) optical communication system | Yeun Chol Jung, Keun Joo Park, Ho-Chul Ji | 2006-06-27 |