Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6192063 | Polarization-dependent type directional isolator and ring-type resonator laser | Bong Kyu Kim, Young Min Jhon, Sang-Kuk Kim | 2001-02-20 |
| 6137932 | Apparatus for controlling gain of an optical fiber amplifier and method thereof | Seong-Yun Ko, Jae Jo | 2000-10-24 |