Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11444167 | Method of manufacturing trench type semiconductor device | — | 2022-09-13 |
| 11264269 | Method of manufacturing trench type semiconductor device | — | 2022-03-01 |
| 6777295 | Method of fabricating trench power MOSFET | Keh-Yuh Yu | 2004-08-17 |