Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6799713 | Flip-chip bonding structure and method for making the same | Duk-Yong Choi, Dong-Su Kim | 2004-10-05 |
| 6767756 | Method of manufacturing tapered optical waveguide | Duk-Yong Choi | 2004-07-27 |