Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362677 | Method for producing a field effect transistor with a gate recess structure | Takuji Sonoda | 1994-11-08 |
| 5288654 | Method of making a mushroom-shaped gate electrode of semiconductor device | Nobuyuki Kasai, Takuji Sonoda, Tetsuya Yagi | 1994-02-22 |