Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821913 | Method for forming dual oxide layers at bottom of trench | Chien-Ping Chang, Mao-Song Tseng, Cheng-Tsung Ni | 2004-11-23 |
| 6677223 | Transistor with highly uniform threshold voltage | Chien-Ping Chang, Mao-Song Tseng, Hsin-Huang Hsieh | 2004-01-13 |