Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816295 | MEMS variable optical attenuator | Jung-hyun Lee, Sung Cheon Jung, Hyun Kee Lee | 2004-11-09 |
| 6775459 | Variable optical attenuator | Yong-San Shin, Young Yun Kim, Jong Hyun Lee, Sung Cheon Jung, Jung-hyun Lee | 2004-08-10 |
| 6718114 | Variable optical attenuator of optical path conversion | Sung Cheon Jung, Hyun Kee Lee, Jung-hyun Lee | 2004-04-06 |