Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5321289 | Vertical MOSFET having trench covered with multilayer gate film | Satoshi Yanagiya, Noburo Matsuda, Shunichi Hiraki | 1994-06-14 |
| 5282018 | Power semiconductor device having gate structure in trench | Shunichi Hiraki | 1994-01-25 |