Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828164 | Method for measuring the etching speed | Kai-Hsiang Yen, Chin-Horng Wang, Chao Liang, Stella Y. H. Chen | 2004-12-07 |
| 6804443 | Test structure and method of step coverage for optical waveguide production | Po-Hao Tsai, Kai-Hsiang Yen, Wen-Jiun Liu, Yuh-Wen Lee | 2004-10-12 |
| 6677659 | Method for fabricating 3-dimensional solenoid and device fabricated | Kaihsiang Yen, Yi-Shiau Chen, Su-I Cheng | 2004-01-13 |