Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833288 | Dicing method for micro electro mechnical system chip | Joon Seok Kang, Sang Kee YOON, Hyun Kee Lee | 2004-12-21 |
| 6816295 | MEMS variable optical attenuator | Jung-hyun Lee, Yoon Shik Hong, Hyun Kee Lee | 2004-11-09 |
| 6775459 | Variable optical attenuator | Yoon Shik Hong, Yong-San Shin, Young Yun Kim, Jong Hyun Lee, Jung-hyun Lee | 2004-08-10 |
| 6718114 | Variable optical attenuator of optical path conversion | Yoon Shik Hong, Hyun Kee Lee, Jung-hyun Lee | 2004-04-06 |