Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822214 | Optical signal receiving apparatus and method using the same | Jin Soo Han, Moo Jung Chu | 2004-11-23 |
| 6800549 | Method of fabricating semiconductor device including forming contact hole with anisotropic and isotropic etching and forming discontinuous barrier layer | — | 2004-10-05 |
| 6775459 | Variable optical attenuator | Yoon Shik Hong, Yong-San Shin, Young Yun Kim, Sung Cheon Jung, Jung-hyun Lee | 2004-08-10 |
| 6740976 | Semiconductor device including via contact plug with a discontinuous barrier layer | — | 2004-05-25 |